R. Nolan Townsend has served as our Chief Executive Officer and as a member of our board of directors since January 2020. Before joining Lexeo, Mr. Townsend was at Pfizer Inc., a global pharmaceutical company, from 2008 to December 2019, where he held several roles of increasing responsibility. Most recently, he served as President of Pfizer Rare Disease for the North America region from 2018 to 2020. In that role, Mr. Townsend was responsible for overseeing the division's overall strategy, cross functional organization and operating budget. Mr. Townsend also currently serves on the board of Arbor Biotechnologies, a private genetic medicine company, and on the board of directors of the Biotechnology Innovation Organization, an advocacy association representing the biotechnology industry. Mr. Townsend received a B.A. in Economics from the University of Pennsylvania and an M.B.A. from the Harvard Business School. Our board of directors believes Mr. Townsend is qualified to serve on our board of directors because of his role as our Chief Executive Officer and his experience as a founder and executive in the biopharmaceutical industry.