Dr. Hoffman joins Aerpio Pharmaceuticals from PDL BioPharma, an investment firm that manages a portfolio of investments in companies, products, royalty agreements and debt facilities in the biotech, pharmaceutical and medical device industries, where he served as a Senior Advisor since February 2014. Prior to that he served as a Managing Director at Skyline Ventures, a venture capital firm, from 2007 to 2014 and was general partner at TVM Capital from 2003 to 2007. Prior to TVM, he served as President, Chief Executive Officer and a Director of Allos Therapeutics from 1994 to 2002, where he remained as Chairman until its acquisition by Spectrum Pharmaceuticals, Inc. in 2012. Dr. Hoffman currently serves on the board of directors of Dicerna Pharmaceuticals, Inc. (NASDAQ: DRNA), AcelRx Pharmaceuticals, Inc. (NASDAQ: ACRX), Bicycle Therapeutics Ltd., and Palleon Pharmaceuticals, Inc. Dr. Hoffman completed a fellowship in clinical oncology and a residency and fellowship in dermatology from 1990 to 1994, both at the University of Colorado, and holds a Ph.D. in chemistry from Northwestern University and an M.D. from the University of Colorado School of Medicine. He is also board-certified in Dermatology.