Bartosz Pielaszek

Opera GX

Data-driven growth marketer with +830 A/B/n tests run (35% success rate) and +$25.8m media spend across ad networks. Currently running global marketing campaigns at Opera GX – the browser built for gamers. He gained his experience by generating business growth from Y Combinator tech startups, to SMBs, to the Fortune 500 i.e. Booking.com, Nestle and Ladder.io.