He has been a driving force in creating Tagged.com with his partner, co-founder and long-time friend, Johann Schleier-Smith. Previously, Greg co-founded Avivon Inc., which introduced the textbook comparison-shopping agent flyingchickens.com to the Harvard campus during the Fall semester of 1999, and served as COO of Limespot.com LLC, a leading network of 100+ local college portals.
Greg holds an A.B. in Chemistry & Physics & Mathematics from Harvard University, where he served as a Director of the Harvard Entrepreneurs Club (HEC) from 1998-2000 and co-authored The Harvard Entrepreneurs Club Guide to Starting Your Own Business (Wiley, 1999). Greg is presently on leave from Stanford University, where he is pursuing the Ph.D. in Physics on a National Defense Science and Engineering Graduate Fellowship. His academic research lies in the field of nanotechnology and he has published his results in top journals such as Science.