Dr. David M. Mauney, M.D., has been Executive Vice President and Chief Business Officer of ZIOPHARM Oncology, Inc. since September 28, 2017 and has been its Interim Chief Operating Officer since November 6, 2017. Dr. Mauney joined Harvest Capital Strategies in 2015. He Co-Founded De Novo Ventures in 2000 and served as its Managing Director. Dr. Mauney has been a Venture Capitalist since 1998. Previously, he served as a Partner at Asset Management Ventures, Assets Management Partners L.P., Asset Management Associates 1984, L.P., Asset Management Associates 1989, L.P., Asset Management Associates 1982, L.P., Assets Management Associates 1995, L.P., and Assets Management Partners 2004, L.P. Dr. Mauney served as a Managing Director at Harvest Capital Strategies LLC. Dr. Mauney was also the Lead Partner of Health Care Investments for Asset Management Company. He served as Managing Director of De Novo Ventures, L.P., De Novo Ventures II, L.P. and De Novo Ventures III, L.P. Dr. Mauney also participated in seven financings of technology companies. Previously, he served as the First Employee and Director of Business Development at Foxhollow Technologies, Inc. Dr. Mauney served in product management at Heartport, Inc. He has been a Director of TRIA Beauty, Inc. since April 2007. He serves on the Boards of Simpirica, ProMed, Inc., Articulinx, Inc., Simpirica Spine, Inc., and Spectragenics. Dr. Mauney served as a Director at Applied Spine Technologies Inc., Ventus Medical, Inc., and Napa Medical Systems. Dr. Mauney served as a Director at LuMend, Inc., and FlowMedica, Inc. He served as an Outside Director of CryoVascular Systems, Inc. Dr. Mauney served as a Director of Paracor Medical, Inc., VeinRx, Inc., and Rachiotek LLC. He has experience in company operations in addition to his medical background. Dr. Mauney holds an M.D. from The Dartmouth School of Medicine. He holds a B.S. in Psychology and a B.A., both from Duke University.