Rebecca is one of the founding members of Headwaters Relief Organization.  Headwaters' volunteers have been around the world, responding to floods, fires and tornados in multiple states, a tsunami in the Philippines, hurricanes in New Orleans and New York, earthquakes in Haiti and Nepal, the Ebola crisis in Sierra Leone and Liberia and the refugee crisis, among other disasters.  Headwaters operates a mental health clinic in New Orleans, and has on-going services in Haiti.  

Rebecca's education includes graduate degrees in Psychology, Business, Psychopharmacology; Public Health, and a Doctorate in Clinical Psychology. Rebecca is certified in advanced studies for Survivors of Violence, Torture and Trauma by the University of Maryland.

Dr. Thomley is passionate the promotion of volunteerism, community engagement and social justice. She serves in  advisory roles with the American Red Cross Division of Mental Health and the American Psychological Association's Disaster Response Resource Network. Rebecca has published, written or edited books on breast cancer and international children’s books related to trauma. She has also published research studies related to her work.