Stefano Mazzei

I’m Stefano, co-founder of Cosma Marketing.
We help ecommerce brands scale through data-driven creative systems and high-performance Meta and Google ads.

Here you’ll find ad breakdowns, UGC strategy, creative testing frameworks, VSL structures, media buying setups, and the processes we use to lower CAC and grow DTC brands predictably.

If you want stronger ads, smarter systems, and real ecommerce growth, you’re in the right place.