Pamela Stephenson was appointed as a member of our Board of Directors in February 2019. Ms. Stephenson has more than 20 years of experience leading the development and implementation of pharmaceutical marketing plans. Since March 2019, Ms. Stephenson has served as chief commercial officer for Albireo Pharma, Inc., a publicly traded biopharmaceutical company. Prior to that, she served as a vice president at Vertex Pharmaceuticals, Inc., or Vertex, a publicly traded global biotechnology company, from July 2008 to March 2019, where she was responsible for leading the global market access and pricing strategy for current and future products. Earlier in her tenure at Vertex, Ms. Stephenson led marketing and sales activities for the company's hepatitis C and cystic fibrosis lines of business, and oversaw the U.S. launches of Incivek® (telaprevir) and Orkambi® (lumacaftor/ivacaftor). Prior to Vertex, Ms. Stephenson held roles of increasing strategic importance at Pfizer Inc., a publicly traded global pharmaceutical company, from October 1998 to June 2008. Ms. Stephenson received her B.A. from Brown University and M.P.H. from the Boston University School of Public Health. With her extensive experience in the commercialization and marketing of pharmaceutical products, including for the treatment of rare and near rare diseases, Ms. Stephenson brings valuable expertise in commercial planning, market development, product launch and market access to our Board.