Sammy Metobo, PhD, joins Circle Pharma as a Director of Medicinal Chemistry. Previous to joining the team at Circle, Sammy was a Senior Research Scientist II at Gilead Sciences in Foster City for over 18 years. He has worked mostly in anti-viral projects including HIV, HCV and HBV and multiple oncology targets including BET domain and PD-1/PD-L1 small molecules. Dr. Metobo holds a doctorate in Synthetic Organic Chemistry from Rutgers University, New Brunswick, NJ. He was also a postdoctoral fellow at Colorado State University, Fort Collins, CO where he worked with Professor Robert M Williams.