Mr. Cohen is co-founder of The Carlin Group, a venture capital fund that invests in technology start-ups. Previously, he worked for the Clearpool-Sponsors for Educational Opportunity Partnership and the Institute for Learning Technologies at Columbia University. In these, jobs he built computer networks in New York City public schools, taught computing to elementary school students, and created wide area networks and web services. A graduate of Stanford University, Mr. Cohen has directed an art gallery and worked as a private art dealer.