Ryan Tooker

Ryan Tooker is a professional with extensive experience in clinical research, primarily in the neuroscience and oncology fields. Currently serving as Director of Clinical Research Scientist at Kyverna Therapeutics since October 2025, Ryan's previous roles include Director of Clinical Science at Prothena Corporation plc, where responsibilities encompassed leading clinical science efforts for neuroscience studies, designing Phase 1 programs, and collaborating with regulatory bodies. Ryan's earlier positions include leadership roles at Tolmar and significant contributions to oncology clinical trials, regulatory interactions, and clinical trial documentation. Academic credentials include a Ph.D. in Biomedical Sciences with a focus on Neuroscience from Colorado State University and a Bachelor's Degree from Colorado Mesa University.