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Sam Kellett.

Head of Marketing · ProfitMetrics.io

E-Commerce content and branding expert with experience working in various specialist positions on marketing teams. My current focus is on building presentation decks and materials for our sales and CSM teams, developing and applying the company brand, and leading my team in the creation of video, audio, and written content. Before becoming Head of Brand & Content at ROI Hunter, I led the content team at Exponea and planned the localization of content for Germany, and the US.

Guest

Sam Kellett

Head of Marketing

Company:

ProfitMetrics.io

Location:

Prague, Czechia

Funding:

$2M Raised

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In this episode of The Marketing Front Lines, we speak with Sam Kellett, Head of Marketing at ProfitMetrics, a Copenhagen-based company that helps e-commerce brands and marketing agencies measure real profitability instead of vanity metrics. ProfitMetrics replaces traditional ROAS (return on ad spend) with POAS (profit on ad spend), giving companies visibility into gross profit by accounting for product costs, shipping, packaging, and payment fees that standard metrics ignore. Sam shares how his team is positioning ProfitMetrics as the definitive educational resource for profit-driven marketing, why B2B content doesn't need to be boring to be professional, and how the shift from growth-at-all-costs to sustainable profitability is reshaping e-commerce marketing strategies in the post-pandemic era.

Topics Discussed

The fundamental flaw in ROAS as a success metric
Building educational content as a moat
The death of growth-at-all-costs mentality
B2B2B go-to-market strategy
Using AI as a tool without letting it think for you
Making B2B content engaging without sacrificing professionalism

Seven takeaways from this conversation.

Actionable for Sales & Marketing Tech Builders founders

Replace Vanity Metrics With Profit Accountability
ProfitMetrics built their entire value proposition around exposing the flaw in ROAS—it measures revenue, not profit. A campaign with 5x ROAS might only deliver 2x POAS after accounting for product costs, shipping, and fees. For B2B marketers, this translates to auditing which metrics you report to stakeholders. Are you showcasing impressive numbers that hide actual business impact? Build credibility by leading with metrics that connect directly to bottom-line profitability, even if the numbers look less impressive initially.
Build Educational Hubs That Establish Category Ownership
Sam's strategy centers on becoming the definitive resource for POAS knowledge through a flagship guide, email courses, maturity models, and interactive quizzes. The goal: whenever someone searches for profit optimization, ProfitMetrics appears. This hub-and-spoke model creates compounding value—the flagship guide becomes the hub, with individual pieces linking back to establish authority. B2B marketers should identify the knowledge gap their product solves and systematically build comprehensive educational resources that competitors can't easily replicate.
Use Email Courses to Demonstrate Value Before Asking for Commitment
ProfitMetrics' free daily email course teaching POAS fundamentals has been their most successful lead generation tool. Unlike gated ebooks that extract contact information before delivering value, email courses create ongoing engagement where each lesson builds trust and demonstrates expertise. For complex B2B products, this drip education approach helps prospects understand the problem and solution thoroughly before ever speaking to sales, resulting in more qualified pipeline.
Partner With Agencies to Access Their Client Portfolios
Rather than selling directly to every e-commerce brand, ProfitMetrics focuses on marketing agencies who can implement their platform across multiple clients simultaneously. This B2B2B strategy gives agencies a competitive advantage—they can pitch as "profit-focused" and show actual bottom-line impact rather than just ROAS improvements. B2B marketers should map which intermediaries influence purchasing decisions in their space and build partnership programs that make these intermediaries more successful.
How to Inject Personality Into B2B Content Without Losing Credibility
Sam actively rejects the notion that B2B content must be boring to be professional. His team created a quiz titled "Which Disney Princess Is My E-Commerce Company" and built a POAS maturity model with interactive assessments. The key: maintain brand consistency and professionalism while having fun with format and presentation. In a landscape of indistinguishable corporate content, personality becomes a competitive advantage that makes your content memorable and shareable.
Build Custom AI Tools That Enforce Brand Standards
Sam created custom GPTs loaded with ProfitMetrics' brand guidelines, metric definitions, and writing standards—then instructed the AI to "correct and give ideas, don't write for us." This approach lets his small team leverage AI for brainstorming and quality control without sacrificing authentic voice. B2B marketers should view AI as a tool for multiplying human creativity, not replacing it. The teams that win will use AI to handle repetitive tasks while preserving strategic thinking and genuine insight for themselves.
Focus on Sustainable Growth Metrics During Capital Efficiency Eras
Sam observes that pre-pandemic growth-at-all-costs mentality is dying as investor capital becomes expensive. Companies now need sustainable unit economics rather than just revenue growth. For B2B marketers, this means reframing how you position products - emphasize efficiency, profitability improvement, and ROI rather than just scale and growth. Your messaging should acknowledge the new economic reality where CFOs care more about cash flow than vanity metrics.

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