Mark started in the developer world over 25 years ago. He began his career with a Bachelor of Science in Computer Science from St. Johns University. After spending 10 years on Wall Street working for Goldman Sachs, Lehman Brothers and other major investment banks, Mark became interested in animation and video game software. He has written numerous mobile apps and games for clients including Electronic Arts and Yahoo! Games. Some of his popular mobile titles include Yahtzee, Yahoo! Chess, and Yahoo! Poker. Currently, Mark is the founder of Curious Inventions in Portland, Oregon. This company develops a wide range of entertainment and educational software titles for the web and mobile devices.