Robert Nelsen has served as a member of our Board since October 2018. Mr. Nelsen is a co-founder and has served as Managing Director of ARCH Venture Partners, a venture capital firm focused on early-stage technology companies, since 1994, and has played a significant role in the early sourcing, financing, and development of more than 30 biopharmaceutical companies. Mr. Nelsen currently serves on the boards of directors of several public biotechnology, biopharmaceutical, and healthcare companies, including Brii Biosciences Limited, Hua Medicine, where he serves as Chairman, Lyell Immunopharma, Inc., Prime Medicine, Inc., and Vir Biotechnology, Inc. Mr. Nelsen previously served on the boards of directors of several public biotechnology and biopharmaceutical companies, including Adolor Corporation, Agios Pharmaceuticals, Inc., Beam Therapeutics Inc., Bellerophon Therapeutics, Inc., Denali Therapeutics Inc., Fate Therapeutics, Inc., Gossamer Bio, Inc., Illumina, Inc., Juno Therapeutics, Inc., Karuna Therapeutics, Inc., KYTHERA Biopharmaceuticals, Inc., NeurogesX, Inc., Revolution Healthcare Acquisition Corp., Sage Therapeutics, Inc., Sienna Biopharmaceuticals, Inc., Syros Pharmaceuticals, Inc., and Unity Biotechnology, Inc. He also previously served as a Trustee of the Fred Hutchinson Cancer Center and the Institute for Systems Biology, and as a director of the National Venture Capital Association. Mr. Nelsen received his M.B.A. from the University of Chicago Booth School of Business and his B.S. in Economics and Biology from the University of Puget Sound.