Dan Custar

Dan Custar has extensive work experience in the pharmaceutical and biotechnology industries. Dan is currently working as a Director at Exelixis since 2023. Prior to this, they held various roles at Mersana Therapeutics, including Principal Scientist in Bioconjugation Development CMC, Director of Drug Substance CMC, and Associate Director of Drug Substance CMC. Dan also has previous experience at Eisai Inc. as a Senior Scientist and Scientist. Before entering the industry, they gained experience as a Postdoctoral Fellow at the Boston College Chemistry Department. Dan Custar started their career as a Graduate Student at Northwestern University, where they completed the total synthesis and structural revision of neopeltolide and its analogs and explored their biological properties. Dan holds a degree from Kenyon College.

Dan Custar earned a B.A. in Chemistry with ACS accreditation from Kenyon College in 2003. Dan then pursued a Ph.D. in Organic Chemistry at Northwestern University, completing their studies in 2008.