Cory Ondrejka is VP Engineering in the Core Experience group at Facebook, working to improve the Facebook experience for over a billion people. Previously, Ondrejka was VP Mobile Engineering and led Facebook’s mobile transition. Before Facebook, Ondrejka was the co-founder of Walletin, a stealth startup focused on high-performance JavaScript and hybrid web rendering acquired by Facebook in 2010. He was the Chief Technology Officer of Linden Lab, where he co-created the award winning virtual world Second Life. He served as Executive Vice President for Global Digital Marketing at EMI Music, and was a visiting professor at the Annenberg School for Communication at the University of Southern California where he taught on online communities. Ondrejka began his career in game development startups, shipping arcade and console video game titles. He holds a bachelor's of science degree in Weapons and Systems Engineering from the United States Naval Academy and was an officer in the US Navy. Ondrejka also advises several early-state technology companies.