Mark is currently CTO of Mahalo.com, a human-powered search service. He is also author of the Max Quick Series of novels. His first novel was downloaded 2.4 millions times as a podcast.
Previously, he co-founded ZeroDegrees, a business social network (sold to IAC/InterActiveCorp in 2004).
He was also CEO and co-founder of SuperSig in 1999. Previous to this, he co-founded The Palace, Inc., an early (1995) avatar chat platform backed by Intel, Time Warner and Softbank with 10 million users (sold to Communities.com in 1998).
