Senior people. No B-team.

The short version

Kevin founded the company in 2012 as Sinfonia Marketing, and it later became OuiGrowth. Early clients included Iberia, the Spanish airline, whose social media the team ran in Spanish, French and Italian from 2012 to 2015.

Kevin has run paid media ever since, mostly on Meta and Google, plus TikTok, Reddit and Microsoft when they earn a place. Along the way he ran user acquisition for Canva in French-speaking markets, worked with Ground News for five years, led global growth for Jenfi across Southeast Asia, and worked with brands from Starbucks to a six-year run with PASCO Scientific.

He learned much of the craft from his mentor, Michael Reiss of Advertology. Between 2015 and 2020 the two of them ran Yizzam together, Michael on Google and Kevin on Meta, and built the testing method that later carried Canva, Ground News and Jenfi.

He has run campaigns on every inhabited continent, in English, Spanish and French, from southwest France. Originally, he's from Miami.

Kevin also mentors marketers and founders on GrowthMentor: more than 400 sessions so far, rated 4.99 out of 5. The reviews are public.

What we believe about paid media

• Buy users, not clicks.Cheap traffic is the easiest thing in advertising to buy and the least useful. Every account we run is measured on an event that proves a real customer. Why we never optimize for clicks.
• Test it; don't assume it.Local teams, founders and agencies all have theories about what will work. We've run campaigns on every inhabited continent, and the data has overruled the theory more often than not, including ours.
• Channels feed each other.Cutting whatever looks expensive today and piling into whatever looks cheap is how good growth dies. We call it min-maxing, and we've watched it cost companies more than once.
• Measure where the money is.Ad platforms grade their own homework. We judge channels in your CRM and your bank account, and test incrementality when attribution gets murky.
• Sometimes the answer is spend less.We've told clients to pause channels, fix tracking first or stop paying for searches they already win. A consultant who won't say that is just a tax.

How we work

We work with a small number of clients at a time, so each one gets real attention. We make the ads ourselves, bring in trusted designers when a project needs them, and keep communication simple: email for decisions, one Slack channel for quick questions, check-ins once or twice a business day, and a call every two weeks. No standups, no account managers, no handoffs.

Pricing is public: management at 10% of ad spend, a $5,000 audit, or consulting at $250 an hour. See the details, or read the honest comparison of hiring OuiGrowth, an agency, an in-house buyer or a freelancer.

Some of the work

• Canva
  230,000+ registered users in French-speaking markets, as low as $0.03 each
• Ground News
  Five years: $0.25 US installs, a UK pivot to $0.75, then scaling Google
• Jenfi
  Four years leading global growth across Southeast Asia
• PASCO Scientific
  Six years of lead generation for science teachers, plus Google Ads for the online store
• Starbucks
  Instagram engagement for cold-drink test markets at $0.01
• Yizzam
  Five years, a 5x average ROAS, and the birthplace of the SUREFIRE method
• eCowHides
  ROAS from about 7x to 15x in three months
• UGLYCASH
  Seven Latin American markets graded for a dollar-account fintech
• SmarterSelect
  The client we told to stop spending on Google Ads

All twelve are on the case studies page. The terms we use are in the glossary.