Paul M. Silva has served as a member of our board of directors since October 2021. Mr. Silva is a biotechnology leader with more than 30 years of finance and operational experience. He served as senior vice president, chief accounting officer, at Vertex Pharmaceuticals Incorporated, a global biotechnology company, from April 2011 until his retirement in April 2021, and also served as the company’s interim chief financial officer from January 2019 to April 2019. Mr. Silva joined Vertex in August 2007 and was the company’s vice president and corporate controller from September 2008 through April 2011. Prior to Vertex, he held positions at Iron Mountain Incorporated, Thermo Electron Corporation, and Anderson LLP. Mr. Silva holds a B.S. in accounting from Assumption College.