Ian Fischer is CTO and co-founder of Apportable (apportable.com), a 60 person technology company in San Francisco that makes Objective-C apps run on Android and also produces the SpriteBuilder game engine.  He took his leave from the U.C. Berkeley Computer Science Ph.D. program to start Apportable in 2011 with Collin Jackson.  Prior to Berkeley, he was the founding engineer of Usable Security Systems (usable.com). Usable was incubated by Commerce Net and later sold to Webroot in 2010.  Ian completed his M.S. in Computer Science at Harvard in 2007.  He has been known to sing professionally, including the occasional opera in San Francisco.  He can be reached at ian@apportable.com.