Robert Nelsen is a co-founder and a Managing Director of ARCH Venture Partners. He joined ARCH at its founding and played a significant role in the early sourcing, financing and development of more than thirty companies, including fifteen which have reached valuations exceeding $1 billion. His seed and early-stage investments include Illumina (ILMN); Alnylam Pharmaceuticals (ALNY); Juno Therapeutics (JUNO); Agios Pharmaceuticals (AGIO); Sage Therapeutics (SAGE); Ikaria; Kythera Biopharmaceuticals (KYTH), Receptos (RCPT); Aviron (AVIR); Denali Therapeutics; NetBot; Bluebird Bio (BLUE); R2 Technology; XenoPort (XNPT); Caliper Life Sciences (CALP); Trubion Pharmaceuticals (TRBN); Adolor (ADLR); deCODE Genetics; Array BioPharma (ARRY); IDUN Pharmaceuticals; Classmates.com; Hua Medicine; Fate Therapeutics (FATE); NextCODE Health; and Everyday Learning Corporation. Mr. Nelsen is a director of Agios Pharmaceuticals, Juno Therapeutics, Denali Therapeutics, Sage Therapeutics, Arivale, Syros Pharmaceuticals, and serves as Chairman of Hua Medicine, among others. He previously served as a Trustee of the Fred Hutchinson Cancer Research Institute, the Institute for Systems Biology, and as a director of the National Venture Capital Association. Mr. Nelsen holds a bachelor’s degree in Economics and Biology from University of Puget Sound and an MBA from the University of Chicago.