Martin Walfisz

Martin Walfisz is an Investor and Entrepreneur-in-Residence at Behold Ventures and the Chief Executive Officer of Thunderful Group, currently based in Brazil, South America. Prior to his current investment and executive roles, he founded the prominent video game development studio Massive Entertainment and has held extensive board positions across the global gaming industry. He assumed the chief executive position at Thunderful Group on August 28, 2023, and will officially transition out of this operational role by December 31, 2025. At Behold Ventures, he targets early-stage gaming companies and game-adjacent software startups, typically participating in Seed through Series B funding rounds with initial capital check sizes ranging from $100,000 to $5 million. Ultimately, his professional focus combines decades of hands-on game development and publishing experience with venture capital expertise to support emerging interactive entertainment startups.