LEADERSHIP

Tim Walbert has served as a member of our board of directors since April 2023. Mr. Walbert is the president and chief executive officer of Horizon Therapeutics, a position he has held since 2008, and has been its chairman of the board since 2010. Before joining Horizon, he was president, chief executive officer and director of IDM Pharma Inc., a public biotechnology company, which was acquired by Takeda America Holdings Inc., or Takeda, in June 2009. Before IDM, Mr. Walbert served as executive vice president, commercial operations at NeoPharm Inc., a public biotechnology company. From 2001 to 2005, he was divisional vice president and general manager, immunology, at Abbott, now AbbVie, leading the global development and launch of the multi-indication biologic HUMIRA, and served as divisional vice president, global cardiovascular strategy. From 1998 to 2001, Mr. Walbert served as director, CELEBREX North America, and arthritis team leader, Asia Pacific, Latin America and Canada, at G.D. Searle & Company. From 1991 to 1998, he also held sales and marketing roles with increasing responsibility at G.D. Searle, Merck & Co. Inc. and Wyeth.

He serves on the boards of Century Therapeutics, a public biotech company. He is also a member of the National Organization for Rare Disorders (NORD) Advisory Board, the Wall Street Journal CEO Council and serves on the Board of Trustees of Muhlenberg College. He previously served on the board of directors for Aurinia Pharmaceuticals, a public pharmaceutical company, from 2020 to 2022, Exicure, a public biotechnology company, from 2019 to 2022, Assertio, a public biopharma company, from 2014 to 2020, Raptor Pharmaceutical Corp., a public biotechnology company, from 2010 to 2014; XOMA Corporation, a public biotechnology company, from 2011 to 2017 and Sucampo Pharmaceuticals Inc., a public biopharmaceutical company, from 2016 to 2018. He is also a member of Economic Club of Chicago, the Commercial Club of Chicago and the Civic Committee of the Commercial Club of Chicago. Mr. Walbert was a previous board member of the Biotechnology Innovation Organization (BIO), the Pharmaceutical Research and Manufacturing Association (PhRMA), the Illinois Biotechnology Innovation Organization (iBIO) and World Business Chicago. Mr. Walbert received a Bachelor of Arts in business from Muhlenberg College in Allentown, PA.