Bryan E. Roberts, Ph.D. has served on our board of directors since November 2013. Dr. Roberts joined Venrock, a venture capital firm, in 1997, where he currently serves as a Partner. Dr. Roberts currently serves as the Chairman of the board of directors of Castlight Health, which he co-founded, as well as a director on the boards of several private companies. Dr. Roberts previously served on the board of directors of athenahealth from 1999 to 2009, XenoPort from 2000 to 2007, Sirna Therapeutics from 2003 to 2007, Vitae Pharmaceuticals from 2001 to 2016, Zeltiq Aesthetics from 2008 to 2016, Ironwood Pharmaceuticals from 2001 to 2016, Hua Medicine from 2010 to 2018 and Achaogen from 2004 to 2019. From 1989 to 1992, Dr. Roberts worked in the corporate finance department of Kidder, Peabody & Co., a brokerage company. Dr. Roberts received a B.A. in Chemistry from Dartmouth College and a Ph.D. in Chemistry and Chemical Biology from Harvard University.