Aaron Ring, M.D., Ph.D., is the founder of Simcha Therapeutics and currently serves as associate professor and Anderson Family Chair for Immunotherapy at Fred Hutchinson Cancer Center. Prior to this, he was associate professor of immunobiology at Yale University. His research is focused on understanding and manipulating the communication circuitry of the immune system using precision immunopharmacology and systems immunology. His seminal work identifying the “jamming signal” called IL-18BP produced by tumors that prevents IL-18 binding and activation is the foundation of Simcha’s therapeutic approach. He holds M.D. and Ph.D. degrees from Stanford University.