Marsha Treadwell, PhD, is a Professor In Residence of Pediatrics in the Division of Hematology at the University of California San Francisco (UCSF), USA. She is the Co-Director of the UCSF Sickle Cell Center of Excellence, a world-renowned center that is focused on improving clinical outcomes and quality of life for individuals living with sickle cell and their families across the lifespan. This mission is accomplished through culturally responsive, comprehensive medical care and innovative research. Dr. Treadwell leads an internationally recognized program of health services and implementation research. She has led multi-institutional, national and international, interdisciplinary teams conducting research on how social drivers, psychological and behavioral factors, and organizational structures and processes impact the health and well-being of individuals living with complex chronic conditions and their families. Dr. Treadwell received her doctorate in clinical child psychology from the University of Washington in Seattle, Washington, USA and advanced training in clinical research from UCSF.