Mark Evan Cerny is an American video game designer, programmer, producer and media proprietor.
Raised in the San Francisco Bay Area, Cerny attended UC Berkeley before dropping out to pursue a career in video games. In his early years, he spent time at Atari, Sega, Crystal Dynamics and Universal Interactive Studios before becoming an independent consultant under his own company Cerny Games in 1998. While at Sega, he established Sega Technical Institute, working on games including Sonic the Hedgehog 2 (1992).
Cerny has since frequently collaborated with Sony Interactive Entertainment as a consultant, including being the lead designer for hardware of several PlayStation consoles, being called the architect of the PlayStation Vita, PS4 and PS5. He has also consulted with Naughty Dog and Insomniac Games since their creation in the 1990s, as well as other Sony first-party studios like Sucker Punch Productions.