Andrea DiFabio JD

Chief Legal Officer and Corporate Secretary

Ms. DiFabio has served as our Chief Legal Officer and Corporate Secretary since November 2022. Prior to joining Xenon, Ms. DiFabio was the Chief Legal & Administrative Officer and Corporate Secretary at Repertoire Immune Medicines, Inc. from March 2020 to October 2022, where she developed broad experience supporting all aspects of the company, including business and clinical development, investor communications, risk management, and developing the company’s IP and communication strategy. From 2019 to 2020, Ms. DiFabio served as Chief Legal Officer and Corporate Secretary at Codiak Biosciences, Inc. Prior to its acquisition by Sanofi for $11.6 billion in early 2018, Ms. DiFabio served as Executive Vice President, Chief Legal Officer and Corporate Secretary at Bioverativ Inc. from late 2016 to 2018 after playing a key role in this spinoff company of Biogen Inc. Previously, Ms. DiFabio joined Biogen in 2006 as Corporate Counsel and was promoted to Vice President, Chief US Counsel in 2007 and subsequently to various positions of increasing responsibility, where she was involved in key strategic transactions, as well as the approval and launch of numerous neurology products. Prior to her experience at Biogen, from 1999 to 2006, Ms. DiFabio was a member of the executive team and senior legal counsel at Parexel International, a publicly traded clinical research organization. Ms. DiFabio earned a Juris Doctor degree from Northeastern University School of Law, and a Bachelor of Arts, Summa Cum Laude from Boston University, where she also participated in the Executive MBA Program.