William D. Young
William D. Young has served as the chairman of the board of directors since January 2010 and as a member of the audit committee from November 2011 to April 2019 and nominating and corporate governance committee since September 2013. Mr. Young was appointed as a member of the compensation committee in April 2019. Mr. Young is a Senior Advisor at Blackstone Life Sciences since November 2018, following Blackstone's acquisition of Clarus Ventures. Prior to Blackstone he was a Venture Partner at Clarus Ventures, a health care and life sciences venture capital firm, which he joined in March 2010. Prior to joining Clarus Ventures, Mr. Young served from 1999 until June 2009 as chairman of the board of directors and Chief Executive Officer of Monogram Biosciences, a biotechnology company acquired by Laboratory Corporation of America in June 2009. From 1980 to 1999 Mr. Young was employed at Genentech, a biotechnology company acquired by Roche in March 2009, most recently as Chief Operating Officer from 1997 to 1999, where he was responsible for all Product Development, Manufacturing and Commercial functions. Mr. Young joined Genentech in 1980 as Director of Manufacturing and Process Sciences and became Vice President in 1983. Prior to joining Genentech, Mr. Young worked at Eli Lilly & Co. for 14 years and held various positions in production and process engineering, antibiotic process development and production management. Mr. Young is a member of the boards of directors of Vertex Pharmaceuticals and Theravance Biopharma where he is the lead independent director. Mr. Young retired from BioMarin Pharmaceutical's board of directors in November 2015 and from Biogen Inc.'s board of directors as chairman in June 2014. Mr. Young received his M.B.A. from Indiana University and his B.S. in chemical engineering from Purdue University, and an honorary doctorate of engineering from Purdue University. Mr. Young was elected to The National Academy of Engineering in 1993 for his contributions to biotechnology.