Borys Musielak

Managing Partner

Borys Musielak is an engineer-turned-entrepreneur-turned investor. He is a founding partner at SMOK Ventures, an early stage venture capital firm bridging Silicon Valley to Poland and the CEE region.


Formerly as an entrepreneur, Borys co-founded Filmaster, a personalized recommendation startup acquired in 2015 by Samba TV. During his four years at Samba he built a team of 40 engineers in Warsaw and helped grow the company's products onto the British and German markets.


Borys also co-founded ReaktorWarsaw startup hub, ReaktorX accelerator which helped 100+ first-time founders kickstart their startups, and Startup Poland, a leading think tank.

PJAIT graduate. Prior to founding his own projects, he worked as a software engineer and team lead for both startups and large corporations in Poland, Germany and the United Kingdom.


He was listed as one of 50 most creative Polish entrepreneurs by BRIEF, mentors at Google for Startups, Founder Institute,  and Huge Thing.