Mark has been involved with Akvo as an advisor since the first meeting at Netherlands Water Partnership in Delft in 2006. He is director of Computer Vision Products at, an Amazon company, based in San Francisco.

Mark was co-founder and president of the Blindsight Corporation, which created computer vision technology for the blind. He was also co-founder and CTO of Smartleaf, Inc., a leader in scalable portfolio management solutions for financial firms now used for over $50 billion in assets. Mark was a principal at Viaweb, which built the first web application: a browser-based e-commerce platform, later to become Yahoo! Store. Mark has a Ph.D. in Computer Science from Harvard University.