Our Leadership

Adam M. Leventhal, PhD

Director

Adam Leventhal, Ph.D., Professor of Preventive Medicine and Psychology at the University of Southern California Keck School of Medicine and USC Norris Comprehensive Cancer Center, is an addiction psychologist and public health scientist. In addition to his role as Founding Director of the USC Institute for Addiction Science, Dr. Leventhal is the Founding Director of the USC Health, Emotion, & Addiction Laboratory (USC-HEAL; heal.usc.edu), a group of six faculty investigators and 30 staff and trainees who study the causes, consequences, treatment, and prevention of addiction and mental illness across the lifespan. Having been awarded more than $40M in grant funding from the NIH and other agencies, USC-HEAL’s current areas of focus are: (1) adolescent and young adult use of tobacco, cannabis, and opioids; (2) the co-occurrence of addiction and mental illness; (3) the development of new medications to promote smoking cessation; (4) science to inform public policies for regulating tobacco and other addictive consumer products; and (5) cancer and cardiovascular disease prevention. Dr. Leventhal has authored over 200 peer-reviewed scientific articles, including publications in JAMA, New England Journal of Medicine, and other journals. His work has been covered by the Associated Press, NBC Nightly News, New York Times, and other media outlets. Dr. Leventhal is active in policy arenas, having served on expert panels on the health effects of e-cigarettes and tobacco products for the National Academy of Sciences, Engineering, and Medicine and the US Surgeon General. He is an elected fellow of the American Academy of Health Behavior and American Psychological Association and recipient of awards for early and mid-career contributions to science and mentoring. His personal interests include running, playing guitar, watching football, and spending time with friends and family.

John D. Clapp, PhD

Co-director

John D. Clapp, Ph.D. is currently Professor of Social Work and Preventive Medicine at the University of Southern California. Dr. Clapp’s research focuses on alcohol use and the prevention of acute alcohol-related problems.  He has been Principal Investigator on over 20 funded (over $30,000,000 in funding) research projects from a variety of funders including the National Institutes of Health, The Conrad Hilton Foundation, The U.S. Department of Education, and numerous state governments. With over 100 publications, his work has appeared in numerous top research journals including Addiction, Journal of Alcohol and Drug Studies, and Plos 1.  Over the course of his career he has held several administrative positions including center director, associate dean of research, executive vice dean, and interim dean. He was the 2018 Research Laureate for the American Academy of Health Behavior (AAHB). He is also currently a Fellow in AAHB and the American Academy of Social Work and Social Welfare.

Kristin Dahlquist, MPH, DSW-c

Director of Operations

Kristin Dahlquist, MPH, DSW-c, the Director of Operations of the Institute for Addiction Science, is a public health professional specializing in addiction and recovery.

As the Director of Operations, Kristin does more than manage the IAS’ day-to-day. With more than 10 years of experience working in the non-profit, for-profit and university settings, she’s committed to bringing creative problem solving and her unique skillset to ensure IAS’s strategy is truly successful at improving the lives of those touched by addiction. Prior to the IAS, Kristin worked in both global alcohol harm prevention and developing national collegiate alcohol and drug interventions.

In addition to her role at the IAS, she is a doctoral candidate at the University of Southern California’s Suzanne Dworak-Peck School of Social Work studying social innovation and change management with anticipated graduation in May 2020.

Her personal life is busy exploring California’s outdoors, traveling to visit her family in Nebraska, watching true crime documentaries and enjoying LA’s live comedy scene.

Tammi Scott-Lynch

Senior director of development

Tammi Scott-Lynch, Senior Director of Development, leads the USC Institute of Addiction Science’s (IAS) efforts to generate private support for the priorities of the Institute, which fuels our mission to improve the lives of those touched by addiction.

With 17 years of healthcare and higher education development experience, Tammi is steadfast in her knowledge and work in leveraging like-minded community members in growing philanthropic investment in the Institute’s innovative addiction work, which will feed change in public policy and allow us to make real progress for millions of those who are struggling with addiction. In addition, the field and topic of addiction is one that she is personally and professionally passionate about.  

In her free time, she humors herself as an amateur photographer – by way of iPhone – and enjoys exploring the culturally diverse neighborhoods and cuisine that make up the beautiful city of LA that she, her fiancé, two college-aged children, and dog gratefully call home.

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