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Scientific Advisory Committee

Members of the Scientific Advisory Committee are appointed to advise the University of California on the direction and priorities of the TRDRP.

Members represent major California organizations and groups involved in tobacco-related health research and tobacco control efforts. Each member serves a three-year term without compensation and agrees to refrain from seeking TRDRP funding during tenure on the committee.


Hala Madanat, Ph.D.

Interim Vice President of Research and Innovation
Distinguished Professor, School of Public Health
Core Investigator, Institute for Behavioral and Community Health 
San Diego State University
Representing: Tobacco-Related Disease Research Institution
Term: 2020-2024

Enid Neptune, M.D.

Associate Professor
Division of Pulmonary and Critical Care Medicine
Institute of Genetic Medicine
Johns Hopkins School of Medicine
Representing: Professional Medical Organization
Term: 2020-2024

Benjamin Bowser, Ph.D.                     
Professor Emeritus
Department of Sociology and Social Services
California State University East Bay
Representing: Social Behavioral 
Term: 2020-2024

Naomi Hamburg, M.D., M.Sc.
Associate Professor
Boston University School of Medicine
Representing: Biomedical
Term: 2019-2024

Jerold A. Last, Ph.D. 
Distinguished Professor, Pulmonary and Critical Care Medicine
University of California, Davis
Representing: Environmental Sciences 
Term: 2015-2024

John Maa, M.D. 
Marin General Hospital
President, Northern California Chapter of the American College of Surgeons
Board of Directors, American Heart Association, San Francisco Division
Representing: TEROC Representative
Term: 2023-2025

Chunxia Wang, Ph.D.
Education Research and Evaluation Consultant 
Tobacco Use Prevention Education Office
California Department of Education 
Representing: California Department of Education 
Term: 2019-2024

Rebecca Williams, Dr.P.H., M.P.H.
Chief, Evaluation and Surveillance Section 
California Tobacco Control Program
California Department of Public Health
Representing: California Department of Public Health 
Term: 2018-2024