Brandon Jeffy

Brandon Jeffy is an accomplished professional in toxicology with extensive experience spanning several prestigious organizations. As of August 2024, Brandon serves as the Senior Director of Toxicology at Crinetics Pharmaceuticals. Prior to this role, Brandon held the position of Director/Group Leader in Drug Safety Research and Evaluation at Takeda from February 2018 to August 2024, where responsibilities included leading drug safety initiatives. Brandon's earlier experience includes roles such as site lead for preclinical safety assessment at Vertex Pharmaceuticals, Senior Principal Scientist at Celgene, and Principal Scientist at AstraZeneca. Brandon obtained a Ph.D. from the University of Arizona and is a diplomate of the American Board of Toxicology.