Nello Mainolfi, Ph.D. Dr. Mainolfi has served as our co-founder, President, Chief Executive Officer and a member of our board of directors since November 2019. Previously, Dr. Mainolfi served as President and Chief Scientific Officer from June 2019 to November 2019, Chief Scientific Officer from January 2019 to June 2019, Chief Technology Officer from October 2017 to January 2019, and Vice President of Drug Discovery from May 2016 to September 2017. Prior to founding Kymera, Dr. Mainolfi was an entrepreneur in residence at Atlas Venture from January 2016 to June 2018 and has since transitioned to a role as an advisor. From January 2015 to April 2016, Dr. Mainolfi also held various roles at Raze Therapeutics, Inc., including as the Senior Director, Head of Drug Discovery from January 2016 to April 2016 and as Director, Head of Chemistry from January 2015 to January 2016. Prior to that, Dr. Mainolfi worked at the Novartis Institutes for Biomedical Research from October 2007 to January 2015, leading teams to identify multiple novel potential medicines that have entered clinical development across a series of disease areas. Dr. Mainolfi holds a Ph.D. from King s College, University of London and a BSc from Queen Mary, University of London. We believe Dr. Mainolfi is qualified to serve as a member of our board of directors due to his significant history with the company, as well as his extensive experience in drug development and the life sciences industry.