Colleen has over 15 years of clinical operations experience managing oncology and various other clinical trials across all phases of development. She has led cross-functional teams from Phase 1 to late-stage studies, developing operational strategies and budgets to ensure each study’s approach aligns with portfolio and program goals. Prior to transitioning to Tallac Therapeutics, she led clinical operation programs most recently at Pfizer and Array BioPharma. Colleen received her B.S. from Arizona State University, and a Master’s degree in Clinical Research from the University of Liverpool.