Eric Hangartner works with Joyryde, an ecommerce email-marketing agency, helping brands improve email strategy, automations, design, lead capture, and SMS. The posts also discuss Klaviyo migrations and email segmentation.
Useful for ecommerce email strategy, Klaviyo migrations, segmentation, automations, design, lead capture, and SMS through Joyryde.
Best for
Direct-to-consumer ecommerce brands on Klaviyo with existing flows, plateaued revenue, wanting ongoing email work.
Not for
Brands seeking paid creator sponsorship placements, large consumer reach, or published rate cards.
Key takeaways
Over-segmenting a multi-category email list coincided with lower revenue; loosening segments brought revenue back.
The incoming team should own a platform migration, not the outgoing one.
Hangartner's Laywine's post reports 345% year-over-year growth from sustained work, not one quick win.
Check first: Confirm whether they offer agency email work, not sponsorship, and ask for audience data.
Main ideas
Over-segmenting an email list can cost revenue: consistency matters more than perfect relevance · Growth comes from compounding small improvements over a year, not one big win · The incoming team should own a platform migration, not the outgoing one
Eric Hangartner’s LinkedIn posts show work on ecommerce email marketing and Klaviyo through Joyryde.
The examples range from improving an established email program to diagnosing migration problems and questioning whether more segmentation always helps.
The clearest thread is practical advice about how email systems perform in day-to-day use—not just which tools or tactics to add.
Hangartner explains recommendations with concrete operating examples, including what can go wrong and what changed their mind.
In one post, they say segmenting a multi-category brand too narrowly coincided with lower revenue, and that loosening the segments brought revenue back.
In another, they list migration defects such as incorrect flow triggers, duplicate emails, and faulty segment logic.
A Laywine’s case-study post attributes growth to sustained work across campaigns, automations, design, lead capture, and SMS rather than one quick win; the post presents its 345% year-over-year figure as Hangartner’s account, without independent confirmation.
These examples give readers specific questions to consider when assessing email strategy, migrations, and ongoing optimization.
Eric Hangartner's published ideas focus on ecommerce email marketing, mainly Klaviyo, and return to one theme: ownership.
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They argue for owning segmentation decisions even when they contradict standard advice, managing migrations rather than treating them as handover checklists, and making the client relationship the point of the work. The strongest argument deliberately reverses a common email-marketing rule of thumb.
Over-segmenting an email list can cost revenue: consistency matters more than perfect relevance
Hangartner argues that ever-finer email segments can hurt more than no segmentation at all.
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A subscriber who likes a brand may open, click and browse even when a message isn’t a precise match, and regular contact keeps the brand in mind until they buy.
Segmentation still helps protect deliverability and keep sends thoughtful, but beyond that point it can thin reach, stretch the team and cost sales.
The rule of thumb: strike a middle ground between relevance and overbuilding.
A brand selling across multiple product categories segmented customers by preference so they received only content matching their interests.
Revenue dropped.
When the segments were loosened, the post says, revenue came back immediately.
Ask for the client name and figures to assess the result; as presented, it’s one practitioner’s account of a single experience.
The post frames this as a lesson learned the hard way: Hangartner adopted an approach, saw it fail and reversed course. It directly counters the more-segmentation advice common in email marketing.
Growth comes from compounding small improvements over a year, not one big win
Hangartner describes a year-long engagement built from small, deliberate projects rather than a single initiative or campaign.
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The work included refining campaign strategy, expanding and optimizing automations, designing emails to echo the products’ craftsmanship, optimizing lead capture and introducing SMS. The brand already had a welcome series and abandonment flows, so the work optimized and extended an existing program rather than building one from scratch.
The retailer Laywine's is reported at 345% year-over-year Klaviyo growth.
The post names client contacts Peter Laywine and Gareth Story and links a fuller case study.
The figure is Hangartner's summary of the agency's case study; ask for the underlying results to verify it.
The incoming team should own a platform migration, not the outgoing one
Hangartner advises brands switching platforms or agencies to let the incoming agency run the migration.
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The team that will manage the account long term should design the migration and quality-check it.
That means rebuilding the logic for the new platform, simplifying the setup where possible and laying a foundation for future work—not just transferring settings from a checklist.
The incoming team should own how the account is built, not simply take it over.
After a brand moved to Klaviyo, Hangartner says they uncovered flows firing on the wrong triggers, recipients getting the same emails more than once and segments built on incorrect logic. Ask to see the audit or account findings; the brand isn’t named and no audit document is shown.
Making clients happy is the job itself, and the offer extends beyond email
Hangartner puts the client relationship first: making clients happy isn’t an add-on to the work; it is the work.
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The posts also show a service range spanning email marketing, Klaviyo and Shopify website design, with offers timed to the retail calendar rather than generic capabilities. Their published material features short, first-person client stories and direct invitations to get in touch, setting an expectation of practical, conversational communication rather than formal strategy writing.
A short post thanks collaborator Elizabeth Sheats by name after a Shopify website design project and offers to tune up a store before BFCM, the busiest retail period of the year. The project itself gets a sentence.
For a look at what a sustained email-marketing engagement involves, start here: it is the one post where Hangartner walks through a named client relationship and lists the specific workstreams.
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Hangartner describes a year of work with Laywine's, a brand that already had welcome series and abandonment flows in place before the engagement began.
With the fundamentals covered, the work focused on refinement rather than quick wins: campaign strategy, expanded and optimized automations, design that mirrors the craftsmanship of the products, lead capture, and the introduction of SMS.
The 345% year-over-year Klaviyo growth figure is Hangartner's summary of a case study linked in the post; it is not confirmed elsewhere in this evidence.
The post attributes growth to small projects accumulated over a year and publicly credits the two client contacts by name.
For brands planning a campaign
For a brand that has the basics in place but has stalled, this post makes the case for ongoing specialist support to improve an existing account rather than a one-off audit or rebuild. It gives outreach a concrete question: what did the individual projects that year actually move?
This is the clearest example of Hangartner challenging a common best practice and describing the experience that changed their approach—useful for judging how they reason, not just what tools they use.
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Hangartner says a brand selling across multiple product categories segmented subscribers by category preference so they received only relevant content—and revenue dropped.
Loosening the segments brought revenue back immediately.
The argument is that consistency drives much of email's effect: subscribers who like the brand will click through, browse, and eventually buy even when a message is not a perfect match.
The recommendation is a middle ground: enough segmentation for thoughtfulness and deliverability, but not so much that reach and team capacity are thinned.
No client or figures are given, so treat this as one practitioner's account of a single experience, not a measured test.
For brands planning a campaign
Ask Hangartner or a similar specialist how they decide whether a segment is earning its keep, and what they would measure before splitting a list further. For a brand with an overbuilt segmentation tree, the post names a symptom to look for.
It turns a general opinion into a specific, checkable service.
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If you are moving to Klaviyo or have just moved, this post tells you what Hangartner looks at and what they claim to find.
Hangartner advises brands switching platforms or agencies to let the new agency run the migration, since the incoming team has to work in the account afterward.
The post lists what they found after one brand's move to Klaviyo: flows firing on the wrong triggers, recipients getting the same email more than once, and segments built on incorrect logic.
The diagnosis: migrations are treated as a checklist, when the work requires rebuilding logic for the new platform, simplifying the setup, and thorough QA.
The examples come from Hangartner's side of the work; the brand is not named and no audit document is shown.
For brands planning a campaign
This makes a concrete case for a post-migration audit or rebuild.
For a brand mid-move, ask: which flows and segments have been verified since cutover?
The duplicate-send problem is the kind of issue a brand will want fixed quickly.
A hiring post is the quickest way to see how a small agency is staffed and which tools it expects people to use.
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Joyryde is hiring freelance or part-time email designers.
The listed requirements are high-converting ecommerce email templates, confidence in Klaviyo including template builds, design and collaboration in Figma, the ability to use generative AI tools "in a way that helps, not hinders brands," and availability in North American time zones with US or Canada preferred.
Applications go by direct message with a portfolio link.
The post shows a team built partly on freelance capacity, a stack of Klaviyo and Figma, and a deliberate, hedged position on AI in design work rather than an outright endorsement or rejection.
For brands planning a campaign
The post signals how the agency scales its work and what stack it runs, useful when assessing whether it can take on additional retainers. The North American time-zone requirement is a practical constraint for brands or partners elsewhere.
The shortest post here, but it shows the service range—email is not the only work—and the seasonal timing Hangartner sells around.
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Hangartner says making clients happy is the job, not an extra, thanks named collaborator Elizabeth Sheats, and describes a Shopify website design project they worked on together.
The post ends with an offer to tune up a store before BFCM, the busiest retail period of the year.
Alongside the email marketing and Klaviyo work described in the other posts, it shows website design on Shopify and a service pitch tied to a specific retail moment.
The project itself gets only a sentence.
For brands planning a campaign
Useful for a brand weighing whether one contractor can cover both email and Shopify site work, and for timing outreach before the holiday period. Web design sits alongside email in the offer; clarify the scope if your campaign is email-specific.
Recurring format: short, first-person client stories with a clear next step5
Email segmentation is a balancing act, not a maximum1
Compounding improvements, not single wins1
The incoming team should own platform migrations1
How email design work is staffed and scoped1
Client service is the job itself1
Email segmentation is a balancing act, not a maximum
Eric argues that over-segmentation can hurt more than not segmenting at all.
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For a brand selling across multiple product categories, the logical move was to split the list by category preference and stop emailing people about products they had not shown interest in.
Revenue dropped, then came back when the segments were loosened.
The explanation: much of email performance comes from consistency.
People who like a brand will click and browse even when a message is not a perfect match.
The rule is to segment enough to stay thoughtful and protect deliverability, but not so much that reach, team capacity and revenue suffer.
A first-person before-and-after account of a client project, followed by a rule of thumb and an invitation to ask questions in the comments.
Eric reports one unnamed brand's experience, not a controlled test. Treat the revenue change as an account, not a measured result.
For brands planning a campaign
For a Klaviyo and lifecycle brief, ask Eric to walk through a segmentation decision that underperformed, how they diagnosed the cause and what they changed. Their positioning suits brands with large, multi-category lists where reach and deliverability trade off against personalization, and brands willing to send fewer, more consistent campaigns rather than maximally tailored ones.
Eric presents Joyryde's reported 345% year-over-year Klaviyo growth for retailer Laywine's as the cumulative effect of many small projects, not one initiative.
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The workstreams included refined campaign strategy, expanded and optimized automations, email design intended to mirror the products' craftsmanship, optimized lead capture and a considered introduction of SMS. The brand already had a welcome series and abandonment flows, so the engagement optimized and extended an existing program rather than building one from scratch.
A named client case study built around a headline figure and a short list of the workstreams behind it.
Joyryde's case study reports 345% year-over-year growth for one client, without baseline figures, timeframe definitions or an attribution method.
For brands planning a campaign
This fits a brief where the brand already has core flows and needs an agency to widen coverage across campaigns, automations, design, capture and SMS. Ask for baseline numbers, the measurement window and how the reported lift was attributed before treating the figure as a benchmark.
Eric advises brands changing platforms or agencies to let the new agency run the migration: the team that will manage the account long-term should design and quality-check it.
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After taking over another team's Klaviyo migration, Eric found flows firing on the wrong triggers, recipients getting duplicate emails and segments built on incorrect logic. Their point: a good migration rebuilds logic for the new platform instead of moving settings across as a checklist.
An anonymous recent-client example lists concrete defects, then turns them into a general recommendation about who should own the work.
The defects came from an account Joyryde inherited. The post does not identify who introduced them.
For brands planning a campaign
Directly relevant to a platform move or agency handover.
Ask how the agency audits an inherited account: trigger testing, duplicate-send and suppression checks, segment logic review, and what the first 30 days look like.
Eric's preference for owning the rebuild fits a migration-plus-retainer engagement better than a narrow cleanup job.
In a hiring post, Eric seeks freelance or part-time email designers for Joyryde.
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The role calls for high-converting ecommerce email templates, confident Klaviyo use including template builds, Figma collaboration, generative AI that helps rather than hinders brands, availability in North American time zones and a collaborative temperament. The post shows email design as a service line staffed with freelancers, with Klaviyo template builds and Figma central to production.
For brands planning a campaign
Useful for assessing how a brand's account would be run.
If a campaign needs a dedicated senior lead, ask who owns the account day to day and how freelance designers are briefed, reviewed and supervised.
Eric is comfortable using AI tools in production, provided the output helps the brand.
Eric writes that making clients happy is not part of the job but is the job.
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They pair the statement with a thank-you to a client after a Shopify website design project and an offer to help stores before BFCM. The post shows a relationship-led sales style and uses seasonal retail deadlines as a reason to act.
For brands planning a campaign
Expect a service-led pitch focused on the working relationship rather than purely on performance marketing. Seasonal timing offers an outreach anchor: Eric publicly offers web and email help around retail calendar moments such as BFCM, giving a brief timed to that window a natural opening.
Recurring format: short, first-person client stories with a clear next step
Across Eric's posts, a consistent pattern emerges: short LinkedIn updates built on a first-person client situation or hiring need, often with bulleted symptoms, steps or skills and a call to comment, send a direct message, follow a case-study link or get in touch before a seasonal deadline.
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The arguments draw on named or anonymous client work rather than data presentations. The through-line is ownership: rebuild the logic properly, own the account and look after the client.
Client stories, checklists and direct invitations to get in touch, rather than data-led or thought-leadership formats.
For brands planning a campaign
When approaching Eric, respond to a specific story or account problem and offer a concrete situation to discuss rather than a generic pitch. Their posts use short, advisory communication, so assess whether your project needs formal written strategy documents.
Hangartner's posts tie them to one agency, Joyryde, and to named brands they work with through it.
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They write as part of Joyryde — "our mission," "Joyryde is growing" — but the posts do not state their title, ownership stake, or employment terms, so the affiliation is unstated rather than an ownership or employment claim.
The clearest client relationship is Laywine's, the subject of a year-long Klaviyo case study.
Klaviyo and Figma appear as the platforms and tools their work is built on, not as sponsors.
Joyryde
Disclosed partnership
Hangartner posts as part of Joyryde, an ecommerce email-marketing agency.
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They describe its mission, announce that it is hiring freelance and part-time email designers, and use “we” and “our” to discuss client work. Their exact relationship with the business is unstated; ask whether they own it, work for it, or contract with it.
Hangartner describes a year of agency partnership with menswear retailer Laywine's, covering refined campaign strategy, expanded automations, email design, lead capture, and the introduction of SMS.
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They cite 345% year-over-year Klaviyo growth and thank Peter Laywine and Gareth Story for their trust.
Klaviyo is the email and SMS platform running through Hangartner's work.
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They offer segmentation advice for Klaviyo senders, explain how to rebuild flows and segments when brands migrate to Klaviyo, and list Klaviyo template builds as a requirement in the Joyryde hiring post.
Eric Hangartner's posts are short, first-person accounts of ecommerce email work, mostly inside Klaviyo.
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Start with the segmentation post: it argues that splitting a list too finely can cost more revenue than it returns, and offers the clearest statement of the position running through the rest of the material.
The case study post shows how the work is packaged over a long engagement; the migration post shows how an account is rebuilt when a brand changes platforms.
Follow the LinkedIn account for new posts.
Expect a client situation or hiring note, a short list of symptoms, steps or skills, and an invitation to comment, message or make contact before a seasonal retail deadline.
Naz works on the same problem from the same angle: building a Klaviyo account as a connected system rather than a set of one-off sends.
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Their post describes work across flows, segmentation, sign-up forms, campaigns and customer journeys, and names segmentation and targeting among the services offered. That matches Hangartner's emphasis on how a list is split and how the account is rebuilt for the long term.
Naz's published material also covers website work beyond email, including WordPress and WooCommerce builds and responsive ecommerce design. A reader comparing the two is choosing between someone whose email practice sits alongside site development and someone whose public output stays within Klaviyo and email marketing.
Hyman argues about the same decision Hangartner writes about from the other side.
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Both treat an email platform move as a question of what the new system lets a brand do with customer data, segmentation and personalization, and both warn that a cost-driven migration measures the wrong thing. Hyman's post on email design also favors relevance and segmentation over aesthetics, close to Hangartner's position that consistency and reach can matter more than perfect targeting.
Hyman frames the advice as strategy and packaged training, including an email design framework and a free training offer, while Hangartner's material reads as agency client work: running the migration, hiring designers and managing the relationship. Read Hyman for the decision framework and Hangartner for what the rebuild looks like in practice.
Corto S. covers the same Klaviyo execution surface as Hangartner, from flows and segmentation to campaign planning and creative direction.
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Both present concrete steps a brand could follow and sell a documented process as something readers can take away.
Corto S. builds the process around AI tooling, describing a Claude Code setup that analyzes a Klaviyo account and runs CRM workflows, and a GPT-based pipeline that drafts a month of campaigns and lifecycle flows. Hangartner's published work shows hands-on account rebuilds and freelance design staffing, putting the two at opposite ends of how much execution is delegated to AI.
The only measured audience figure is Eric Hangartner’s LinkedIn follower count: 968, observed October 9, 2026.
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That’s a small, specialist audience.
LinkedIn doesn’t publish followers’ job functions, seniority, employers, company sizes, or locations.
The posts cover Klaviyo and ecommerce email work, including segmentation, platform migrations, email design hiring, and a client retention case study.
They’re aimed at ecommerce retention and email practitioners, but topics alone don’t show who follows the account.
For an agency seeking a Klaviyo and email-marketing specialist for retention and lifecycle work, 968 followers suggests a niche practitioner audience, not a large pool of brand-side buyers or evidence of reach at scale.
Ask Eric Hangartner for recent LinkedIn follower demographics or an audience survey covering job function, seniority, company size, industry, and geography, plus reach and engagement data for recent segmentation and migration posts.
That will help you assess whether their audience matches the brands you want to reach.
Hangartner's reviewed LinkedIn posts contain no published sponsorship program, media kit, rate card, or creator-collaboration terms.
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They show agency service work: email segmentation strategy, a Klaviyo migration rebuild, a year-long Klaviyo engagement with menswear retailer Laywine's that the post credits with 345% year-over-year growth, and a freelance email-designer search for Joyryde.
The material describes no sponsored placements, paid partnerships, affiliate terms, or ambassador formats, so brands would need to negotiate an agency engagement rather than plan around published influencer-sponsorship specifications.
The only contact routes mentioned are LinkedIn direct messages: the migration post invites DMs from brands moving to Klaviyo, a BFCM website-design post asks readers to send a message, and the hiring post asks designers to DM a portfolio.
A direct message is the practical first step; ask for scope, pricing, and deliverables, which are not stated publicly.
Strong fit. The published work maps directly to ongoing lifecycle marketing for existing Klaviyo accounts—not a build-from-zero or one-off audit.
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Brief
A direct-to-consumer ecommerce brand already using Klaviyo, with a welcome series and abandonment flows in place, that has plateaued on revenue and wants an ongoing email specialist to expand campaigns, automations, design, lead capture and SMS—and is mid-migration to Klaviyo or has inherited an account built by another agency.
Reasons
The Laywine's engagement is the closest published match. Hangartner describes a brand that already had the fundamentals in place, so the year of work focused on refinement rather than quick wins: campaign strategy, expanded and optimized automations, product-led design, lead capture and an SMS introduction. That is the sequence a plateaued account needs. Treat the reported 345% year-over-year Klaviyo growth as the agency's case-study summary, not a benchmark: the post gives no baseline, timeframe definition or attribution method.
They take a stated, experience-based position on segmentation. Hangartner describes a multi-category brand where splitting the list by category preference cut revenue, while loosening the segments brought it back. They argue that consistency—not perfect relevance—drives much of email performance. That perspective is useful for a brand with a broad, multi-category list weighing reach against personalization. The account concerns one unnamed brand and is not a controlled test, so use it to shape the first test, not settle the question.
Migration and inherited-account work are named services, not edge cases. Hangartner advises brands to let the incoming agency own the platform move and lists the defects they look for after someone else's Klaviyo migration: flows firing on the wrong triggers, duplicate sends and segments built on incorrect logic.
Design capacity is available. Joyryde hires freelance or part-time email designers and expects Klaviyo template builds and Figma collaboration, with North American time-zone availability preferred. That suggests the studio can take on additional retainer work. Ask who leads the account day to day and how freelance design is briefed and reviewed.
The offer extends beyond email. Hangartner also pitches Shopify website design around the BFCM period. If the brief is email-only, state that upfront to keep the scope focused.
When to choose a specialist
Poor fit as a sponsorship buy. The posts show agency email service work, not creator placements, and publish no sponsorship terms.
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Brief
A brand buying a paid creator-sponsorship placement—a defined package of posts, video or affiliate codes at a published rate, aimed at reaching a large consumer audience to build awareness.
Reasons
Audience scale is small and specialist: 968 LinkedIn followers as of October 9, 2026. LinkedIn does not disclose followers' job function, seniority, employer or geography, and no audience survey or platform analytics are published. Ask for audience data if consumer-buyer reach is central to the decision.
The posts publish no sponsorship program, media kit, rate card or collaboration specifications. The only contact route mentioned is LinkedIn direct messages. Any arrangement would need to be negotiated as an agency engagement, rather than planned around public partnership terms. Ask directly whether Hangartner accepts sponsored work.
The posts describe agency retainers, migrations and hiring—not sponsored placements, affiliate terms or ambassador formats.
The posts are short, first-person updates, some with checklists and calls to action. For a campaign that depends on long-form strategy documents, published research or multi-channel content distribution, ask for relevant samples.
Every result in the posts is self-reported by the agency. If independently audited performance data is required, ask for it before committing.
A worked campaign example
Angle
Audit before adding. Weeks 1–2: test whether triggers fire as intended, check for duplicate sends, confirm suppression and segment logic, and document findings before rebuilding anything. Weeks 3–6: consolidate over-built segments into a smaller set and run one measured split test to balance reach with relevance. Hangartner's public account says revenue returned when segments were loosened. Weeks 7–12: expand campaign and automation coverage, refresh design around the product's craft, improve lead capture and introduce SMS once the core flows are clean. Baseline the account before making changes and set the measurement window in advance. Treat the reported 345% growth as a claim to investigate, not a target to quote; where the numbers matter, ask for reporting access or a client reference.
Brief
A multi-category ecommerce brand with a large Klaviyo list, a segmentation tree that has grown for years without pruning, roughly flat campaign revenue and a 90-day budget, with the option of a retainer if the first quarter goes well.
Next step
Open with a specific problem, not a generic pitch: send a LinkedIn direct message referencing the migration or segmentation work and ask which flows and segments they would check first in an inherited account. Agree on scope in writing—email only, or Shopify web design too—and ask who owns the account day to day, how freelance designers are briefed, reviewed and supervised, whether generative AI tools are used in production, and whether North American time-zone coverage suits your team. No pricing or dedicated inquiry page is published, so agree on budget, deliverables and sign-off directly.
Choose Naz when the account needs building or rebuilding rather than tuning.
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The published Klaviyo post sets out the full implementation scope: email and SMS flows, welcome and abandoned-cart automation, segmentation and targeting, campaign setup, sign-up forms, email design and copywriting, and account optimization — the work a brand needs when a working lifecycle setup does not exist yet or has to be replaced.
The second post covers a fully responsive ecommerce site build on WordPress and WooCommerce with a custom Elementor layout and a mobile-first, SEO-oriented approach.
A buyer who wants the storefront and email account handled by the same specialist can use one provider for both.
That combination suits a brand relaunching a store and its email programme at the same time (posts dated July 18, 2025 and September 11, 2026).
Naz's Klaviyo post describes service scope, not a specific engagement: no client is named and no before-and-after numbers are given.
Eric Hangartner's posts do not cover taking over an account someone else built or fixing a failed migration.
Their published material is anchored to a named year-long client engagement and a concrete list of post-migration defects — flows firing on the wrong triggers, recipients getting the same email twice, and segments built on incorrect logic.
If repairing an inherited or freshly migrated account is the need, ask Hangartner for details of their method and relevant results; Naz's posts show the build-scope end of the market.
The store-platform overlap is also only partial: Naz's site work is WordPress and WooCommerce, while Hangartner pitches Shopify design.
Reach Hyman first when the open decision is whether to change platforms at all, before choosing who does the work.
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Hyman's post argues against switching email platforms purely to save money and reframes the question around what the new platform will let the team do with customer data: understand customers better, build smarter segments and trigger more relevant experiences.
The worked comparison is direct — saving $50,000 a year on software while losing $500,000 in incremental revenue because the new platform gives the team fewer ways to segment and weaker personalization — and ends with a question a brand can put to any vendor: what will we be able to do after this migration that we cannot do today?
The second post covers the creative side of the same problem, describing a design framework built on context, customer, creative and conversion, using Klaviyo Dynamic Content to show different creative to different segments inside one campaign, with the argument that relevance beats visual polish.
Hyman's migration post names the categories that matter — customer data, segmentation, integrations, automations, reporting, personalization, team productivity, revenue — but stops short of the rebuild steps.
A brand already committed to Klaviyo gets the reasoning without the checklist.
Hangartner's migration post supplies a checklist of failure modes to hunt for.
The design post reports taking a brand from $47M to $73M in eight months and making $180K from half the list with a single segmented campaign.
It gives no baseline definition, measurement window or attribution method, and closes with a free-training lead capture and an external masterclass link, so the material also serves as a funnel.
Ask for the baseline, measurement window and attribution method before treating those figures as benchmarks.
Consider this route when the bottleneck is throughput rather than judgment: the account is understood, the strategy is set, and the team needs campaign concepts, lifecycle flows, segmentation reviews, deliverability checks and analytics run in parallel without adding headcount.
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One post documents setting up Claude Code as a Klaviyo execution engine that reads account data, finds opportunities and runs CRM workflows while the marketer does something else, with separate parallel workflows for flows, campaigns, segmentation, deliverability and analytics, and a stated loop of one instruction, multiple workflows, you review and approve.
The other documents using an AI model to plan a monthly campaign calendar, generate campaign angles around products, launches and promotions, build key lifecycle flows, produce several creative directions per send, write headlines, copy and calls to action, map products and offers, and output concepts ready to recreate inside Klaviyo.
Choose this when speed of iteration is the constraint and someone on the team can supervise and finish the output (posts dated September 15, 2026 and October 9, 2026).
The deliverables are concepts and drafts, not finished account work: the posts say the output is meant to be reviewed and recreated inside Klaviyo, so the buyer needs review capacity on their side.
The approach also assumes the brand will let account data flow through third-party AI tooling, which many restrict.
In contrast, Hangartner's published model is an agency service with named client work, migration repair, design hiring and template builds; the AI-assisted route is a self-serve kit rather than an accountable partner for the account.
