Measurement-led growth advisory for scaled consumer brands.

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Our Team

Part strategist, part operator. Embedded in your business to drive profitable growth

Founded by senior ex-Meta leaders, with nearly a decade inside the most measurement-forward advertising organization ever built.

Yoni Levy

Yoni Levy

Co-Founder

Yoni spent two decades turning marketing from a cost center into a measurable growth engine. As Head of DTC and Ecommerce Canada at Meta, he led growth advisory across DTC, ecommerce, and tech. There, his team owned a $350M+ annual advertising portfolio and was embedded in the growth decisions of founders and marketing leaders scaling from $50M to $500M+.

That’s the range where measurement breaks, channels multiply, and the tactics that got a brand to $50M stop working. He builds for what comes next.

Sammy Ptasznik

Sammy Ptasznik

Co-Founder

Sammy is a growth operator who builds products, engineers customer acquisition, and scales businesses. At Meta, he worked inside the growth engines of North America’s leading DTC, retail, and tech brands, driving over $1B in new revenue growth across 20+ clients.

His measurement, testing, and optimization strategies set the bar at Meta and transformed his clients into best-in-class growth organizations. Now he works with brands at the inflection point where one channel stops being enough, building the measurement frameworks and roadmap for their next wave.

Career Milestones

50+
Brands advised
$350M+
Peak annual ad spend managed
$1B+
Partner revenue growth driven

The Problems We Solve

The playbook that got you here won't unlock your next stage of growth.

You've built something people want. Your product and early marketing strategies created real momentum.

Now acquisition costs are rising, channels are multiplying, and measurement is misleading you. The problem isn't effort. It's knowing what's actually working and where the next dollar should go.

You need a partner who’s obsessed over your growth and knows how to drive it.

What We Build

A system that drives profitable growth, grounded in incrementality

We don't hand you a strategy deck and disappear. You set the priorities, we build the plan. Then we execute like operators alongside your team.

Growth Strategy + Prioritization

Identify where the next stage of growth comes from, across markets, channels, and products, and build the plan to get there.

Measurement + Decisions

Calibrate your measurement system so incrementality, attribution, and MMM point you in one direction, not three.

Media Allocation

Map where budget should move, where efficiency is hiding, and where scale is constrained.

Creative + Conversion Funnels

Turn customer, competitive, and performance insights into briefs. Test the hooks, messages, formats, and landing pages that convert.

Growth Testing

Design and prioritize experiments so learning compounds instead of scattering.

Demand + Peak

Align investment to inventory positions, seasonal peaks, and margin targets.

Team + Rhythm

Upskilling teams, partner selection, hiring support, and codified playbooks that outlast us. And whatever else is in the way.

when you need a partner to executeManaged Growth Operations

Everything above + owning the day-to-day: media buying, deeper creative & funnel testing, measurement & tracking management, partner onboarding, and more.

Built For

Businesses with traction, complexity, and untapped growth.

Businesses at this stage:

  • $100M+ in annual revenue
  • At an inflection point. You’ve hit a ceiling, or complexity is outpacing growth. You need a team that’s been here before.
  • Hiring for senior growth leadership, and you need the system built while you run the search
  • Frustrated with partners who only push buttons in-platform instead of building new strategies that move the business
  • Ready to invest in measurement infrastructure, not just media spend
  • Looking for a partner who operates inside the business, not outside it

If this sounds like your business, we should talk.

Tell Us About Your Business

Work With Us

Few partners.
Our deepest work.

We keep a small roster so we stay deeply embedded in your business.

We don't sell one-off wins. We build the decision system that makes profitable growth repeatable.

If that's the partner you're looking for, tell us about your business.

Waitlist only

Prefer email? hello@buildthingsgrowth.com

Field Notes

Notes on building profitable growth systems.

The work behind measurement, performance experiments, creative testing, and scaling.

Read our thinking