Justyna Grzelak

I'm a Project Manager and Business Consultant with 7+ years of experience delivering complex IT and digital products — from early-stage concepts to market-ready MVPs. My work sits at the intersection of two disciplines most organizations treat as separate: systems thinking and human psychology. My background is unconventional by design. I started as a Software Developer and Scrum Master at Ericsson, moved into Product Ownership and Project Management at BinarApps, and currently lead projects at RTB House — one of Europe's most data-driven adtech companies. Alongside that, I hold an Engineering degree in Mechatronics from Lodz University of Technology, a mini-MBA from the University of Lodz, and I'm currently completing a Psychology degree. I'm also a certified Professional Scrum Master...