PhD: University of Wisconsin-Milwaukee, 2003
Internship: Yale University School of Medicine
Post-doc: Yale University School of Medicine
ABPP Diplomate: Clinical Psychology
Fellow: APA Division 29

Research Interests: Dr. Callahan (Ruggero) is a Professor of Psychology, Co-Director of the Center for Psychosocial Health Disparities Research, and Director of the Evidence-based Training and Competencies Research Lab. Dr. Callahan conceptualizes training to be a systems level intervention with lasting effects across the career lifespan. Those effects may be particularly impactful in fostering health disparities within underserved areas where few providers exist. As such, her research aims to improve psychological services and client outcomes among under-served and disadvantaged populations via careful inquiry elucidating the contributions of client and therapist variables, as well as the effects of training, supervision, and supervisors. Dr. Callahan was a recipient of the National Institutes of Health (NIH) Loan Repayment Program for Individuals from Disadvantaged Backgrounds and has been awarded more than $7 million in grant funding as PI or co-PI. In addition to multiple awards for quality research (2005; 2020), mentorship (2015) and community engagement (2022), she has been recognized with the Distinguished Publication of Psychotherapy Research, in 2012, and the Outstanding Publication in Training and Education in Professional Psychology for both 2014 and 2018. Dr. Callahan is the is the current Editor-in-Chief for the Journal of Psychotherapy Integration, an Associate Editor for the journal Training and Education in Professional Psychology, and a Consulting Editor for the journals American Psychologist and Practice Innovations. She is board certified in Clinical Psychology, a Fellow of the American Psychological Association (APA Division 29; Society for the Advancement of Psychotherapy), Past-President of APA Division 29 (Society for the Advancement of Psychotherapy) and designated as President-elect of the international Society for the Exploration of Psychotherapy Integration (SEPI). Visit Dr. Callahan's research page or the Center for Psychosocial Health Disparities Research website for more information about her work (current CV).