two founders.
The two people who built Campanja and then ran GrowthHackers, a growth agency. Close to two decades each in ad tech and marketing analytics, and one question every client asked: did it work?
Who founded Cogny?
Cogny was founded in 2023 by Tom Ström and Berner Setterwall. Before Cogny, Tom was COO and co-founder of Campanja and Berner was its co-founding CTO; Campanja raised a $5M Series A and was acquired by 247.ai in 2015. Between Campanja and Cogny they ran GrowthHackers, a growth agency.

Tom Ström
Co-founder & CEOWith a background in ad tech, Tom has spent the last 20 years optimizing online user journeys for some of the world's leading brands. Prior to Cogny, Tom was COO and co-founder of Campanja, which raised $5M in Series A funding and was acquired by 247.ai in 2015. In his early career at Schibsted, he received the Schibsted innovation award, created the internal traffic fund, and set up growth processes for all portfolio companies. Between Campanja and Cogny, Tom ran GrowthHackers, an agency where he worked with startups, scaleups, enterprises and global brands.
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Berner Setterwall
Co-founder & CTOBerner is a software engineer with a passion for building scalable and reliable systems. As the first technical hire at Stay Secure, he worked on security systems before co-founding Campanja as CTO. Between Campanja and Cogny, Berner ran GrowthHackers, an agency where he worked with startups, scaleups, enterprises and global brands. Across Campanja, GrowthHackers and now Cogny, he has spent 18 years in internet marketing and analysis.
LinkedIn