Stephanie S. Okey M.S. has served on our board of directors since July 2019. For over 25 years, from 1986 until July 2015, Ms. Okey served in various positions of increasing responsibility in the biopharmaceutical industry, first at Bristol Myers Squib, then Genentech, Inc. for nearly 8 years, followed by 19 years at Genzyme, a Sanofi company. Ms. Okey’s management experience during her tenure at Genyzme included serving as Senior Vice President, Head of North America, Rare Diseases, and U.S. General Manager, Rare Diseases from August 2012 to July 2015 and as Vice President and General Manager, U.S. Genetic Diseases Business Unit from September 2011 to August 2012. Ms. Okey retired from Genzyme in July 2015. From June 2018 until March 2023, when it was acquired by Ipsen, Ms. Okey served as a member of the board of directors of Albireo Pharma, Inc., a Nasdaq-listed biopharmaceutical company and since December 2018, Ms. Okey has served as a member of the board of directors of PTC Therapeutics, a Nasdaq-listed biopharmaceutical company.

Since March 2021, Ms. Okey has served as a member of the board of directors of Orphazyme, a company based in Denmark. In addition, she previously served as a member of the board of directors of the California Life Sciences Association from October 2014 to January 2016. Ms. Okey received a B.S. degree in Zoology from The Ohio State University and a M.S. degree in Immunology and Medical Microbiology from Wright State University. Ms. Okey’s executive leadership experience in the life science industry and service on various biopharmaceutical company boards contributed to our board of directors’ conclusion that she should serve as a director of our company.