Thomas W. Chalberg, PhD is a scientist and biotechnology investor and entrepreneur. He is currently Managing Director at Heroic Ventures, with primary responsibilities for life sciences investing. In that role, he has led formation investments in SightGlass Vision (as Founder/CEO) and iRenix (as Founder/Executive Chairman). Previously, Thomas has served in various executive roles at biotechnology companies, including as Chief Operating Officer of Oncorus, Inc.; Founder/CEO of Avalanche Biotechnologies (now ADVM); and a member of the ophthalmology team at Genentech. Thomas has received awards and recognition from the Foundation Fighting Blindness and the World Economic Forum for his contributions to biotechnology. He received his AB in biochemistry from Harvard College, PhD in genetics from Stanford University School of Medicine, and MBA from the Haas School of Business at the University of California, Berkeley.