Arthur A. Levin, Ph.D. , has served on our board of directors since February 2023. Dr. Levin served as our Distinguished Scientist and Strategic Leader from February 2023 until the end of 2024 after serving as our Chief Scientific Officer from October 2019 to February 2023. Previously, Dr. Levin served as our Executive Vice President of Research and Development from October 2013 to October 2019. Dr. Levin has a combined three decades of experience in all aspects of drug development from discovery through drug registration and has played key roles in the development of numerous oligonucleotides. Prior to joining Avidity, from April 2012 to January 2014, he served as Executive Vice President at miRagen Therapeutics, Inc. Prior to that, Dr. Levin held various senior management positions at Santaris Pharma A/S Corp. and Ionis Pharmaceuticals, Inc. Since September 2015, Dr. Levin has served as a member of the board of directors of Stoke Therapeutics, Inc. Dr. Levin holds a Ph.D. in Toxicology from the University of Rochester and a B.S. in Biology from Muhlenberg College. Dr. Levin's knowledge of our business and technology and his extensive drug development experience contributed to our board of directors' conclusion that he should serve as a director of our company.