Ceren Ezelsoy, MD, currently serves as the Oncology Senior Medical Lead at GSK since January 2024 and is also an Ambassador for One Young World since July 2021. Prior experience includes positions at Bristol Myers Squibb as a Senior Medical Advisor and roles in Global Clinical Development and as an Immuno-Oncology Scientific Advisor from July 2018 to January 2024. Ceren held the position of Medical Advisor at Sudler & Hennessey from May 2017 to July 2018 and worked as a Freelance Medical Advisor from March 2016 to April 2017. Earlier career experience includes practicing as a Physician in Emergency Medical Services from March 2014 to February 2016. Ceren earned a Doctor of Medicine degree from Mersin University, School of Medicine, and completed internships in the Department of Medicine at Tulane University and the Department of Pathology at the University of California, San Francisco.