Steve Chen (born August 25, 1978) is a Taiwanese-American software engineer and entrepreneur. He is best known as a co-founder and former chief technology officer (CTO) of YouTube. In 2005, he and Chad Hurley and Jawed Karim launched YouTube, which became the world’s largest video-sharing platform. After selling YouTube to Google for $1.65 billion in 2006, Chen co-founded AVOS Systems and created the video app MixBit. He later worked at Google Ventures (now GV) as an entrepreneur-in-residence and now focuses on early-stage tech investments and family life. Below is a summary of important facts about Steve Chen: Full Name Steve Chen (陳士駿 / Chén Shìjùn) Date of Birth August 25, 1978 Age (as of January 2026) 47 years old Birthplace Taipei, Taiwan Nationality Taiwanese-American (naturalized ...