Karin Tollefson
Pfizer
Karin Tollefson, PharmD, is the Chief Oncology Medical Officer at Pfizer and leads the Oncology Global Medical Affairs Division. Prior to joining Pfizer, Karin was the Senior Vice President and Head of Global Medical Affairs at Seagen Inc. where she led the medical organization through the successful launches of three practice-changing medicines and established a global medical affairs organization. Dr. Tollefson has 30 years of experience in the pharmaceutical industry spending much of her early career at Eli Lilly and Company serving in progressive leadership roles in clinical operations, clinical dev