Dr. Debbie O’Brien Retires June 3, 2016 By Janice Warfford Congratulations to Dr. O’Brien on her retirement!! We THANK YOU for your many years of service with the department and happy to announce that you will remain an Adjunct Professor! Filed Under: Categories: News More from Department of Cell Biology and Physiology In the Loop: Spring 2026 Rewiring T Cell Signals in Cancer In the Loop: Fall 2025