Robert T. Nelsen

Co-founder and Managing Director
ARCH Venture Partners

Robert Nelsen  joined ARCH Venture Partners at its founding and has played a significant role in the early sourcing, financing and development of more than thirty companies including nine which have reached valuations exceeding $1 billion.   These include Sapphire Energy, the leading algae biofuels producer; Kilimanjaro Energy, Hua Medicine, Illumina (ILMN), the world-leader in genetic analysis; Ikaria, the world leader in infant critical care; Aviron (AVIR, acquired by Medimmune-MEDI), the first nasal flu vaccine; NetBot, the first online shopping agent; R2 Technology (acquired by Hologic-HOLX), the standard of care in computer-aided breast cancer detection,  Alnylam Pharmaceuticals (ALNY), XenoPort (XNPT), Caliper Life Sciences (CALP), Trubion Pharmaceuticals (TRBN), Adolor (ADLR), Array BioPharma (ARRY), deCODE Genetics (DCGN), Nanosys, GenVec (GNVC), IDUN Pharmaceuticals (acquired by Pfizer-PFE), Genomica (GNOM, acquired by Exelixis-EXEL), Surface Logix, NeurogesX (NGSX), (acquired by United Online-UNTD), Nura (acquired by Omeros), Kythera Biopharmaceuticals, Elixir Pharmaceuticals, Theraclone (Spaltudaq), VLST, Ensemble Discovery, Accelerator, Receptos, Fate Therapeutics, Agios Pharmaceuticals, and Everyday Learning Corporation, the leading K-6 math curriculum in the United States.

Mr. Nelsen is a director of Sapphire Energy, Ikaria, Fate Therapeutics, Agios Pharmaceuticals, deCODE Genetics, Ensemble Discovery Corp., NeurogesX, Kythera Biopharmaceuticals and Chairman of Hua Medicine. He previously served on the boards of Trubion Pharmaceuticals, Surface Logix, Adolor, NetBot, Everyday Learning, Theraclone, Array BioPharma, Caliper Life Sciences, Illumina, R2 Technology and, among others. He also serves as a Trustee of the Fred Hutchinson Cancer Research Institute, the Institute for Systems Biology, and is a director of the National Venture Capital Association. Mr. Nelsen holds an M.B.A. from The University of Chicago and a B.S. in Economics and Biology from the University of Puget Sound.