Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content

Associate Editors

Lawrence Barker, PhD

Senior Advisor

Office of the Associate Director for Science

National Center for Chronic Disease Prevention and Health Promotion

Centers for Disease Control and Prevention


	Lawrence BarkerDr. Barker has been with CDC since 1998. He was worked in the National Immunization Program (Data Management Division), the National Center for Injury Prevention in the Division of Violence Prevention, and the NCCDPHP (Division of Diabetes Translation, Division of Community Health, and Office of the Director). Prior to coming to CDC, Dr. Barker worked for the US Department of Energy in  Las Vegas, Nevada, and the executive branch in Washington, DC, taught mathematics at the University of Tennessee in Knoxville, Tennessee, and served as visiting faculty at the Department of Statistics at Florida State University in Tallahassee, Florida. Dr. Barker was a winner in CDC’s 2010 Statistical Sciences Award and a runner-up in 2012, 2010, 2005, and 2004. He has authored or co-authored more than 100 peer-reviewed articles. In addition, he served on the editorial board of the American Journal of Clinical Nutrition and as a guest editor of PCD and Injury Prevention. Dr. Barker received his doctoral and master’s degrees in statistics from Florida State University.

Appointment Term: 2016–2019



Ronny A. Bell, PhD, MS

Professor and Chair

Department of Public Health

East Carolina University School of Medicine


	Ronny BellDr. Bell is Professor with tenure of Public Health Sciences (Department of Epidemiology and Prevention) at the Wake Forest School of Medicine in Winston-Salem, North Carolina. He is also Director of the Maya Angelou Center for Health Equity at Wake Forest, a designated Center of Excellence with the National Institute on Minority Health and Health Disparities. In November 2016, he will assume the position of Professor and Chair of the Department of Public Health at East Carolina University. Dr. Bell currently serves as the Chair of the North Carolina Diabetes Advisory Council and the North Carolina American Indian Health Board. He also serves on the American Diabetes Association Health Disparities Committee. Dr. Bell received his master’s and doctoral degrees in nutrition at the University of North Carolina at Greensboro and his master’s in epidemiology at the Wake Forest School of Medicine. He completed a postdoctoral fellowship in gerontology at Wake Forest before joining the faculty in 1996.

Appointment Term: 2016–2020



Michele Casper, PhD


Division for Heart Disease and Stroke Prevention

National Center for Chronic Disease Prevention and Health Promotion

Centers for Disease Control and Prevention


	Michele CasperDr. Casper is the Team Lead for the Small Area Analysis Team within the Division for Heart Disease and Stroke Prevention at CDC. The activities of her team include: the Interactive Atlas of Heart Disease and Stroke, the GIS Capacity Building Project for State and Local Health Departments, The Chronic Disease GIS Exchange, and the study of spatio-temporal trends in heart disease and stroke. She is interested in reducing the geographic disparities in heart disease and stroke and using local-level data to tailor heart disease and stroke prevention efforts to the specific needs of communities. Michele received her doctorate in epidemiology from the University of North Carolina.

Appointment Term: 2014-2017



Paul Estabrooks, PhD, MSc

Harold M. Maurer Distinguished Chair

College of Public Health

Department of Health Promotion, Social & Behavioral Health

University of Nebraska Medical Center

Omaha, Nebraska


	Paul EstabrooksDr. Estabrooks is the Harold M. Maurer Distinguished Chair and Professor in the Department of Health, Promotions, Social & Behavioral Health at the University of Nebraska Medical Center. His work focuses on testing innovative physical activity, nutrition, and weight control programs; policies; and practice interventions that can be adopted in schools, workplaces, and health care clinics. Dr. Estabrooks also studies health promotion initiatives that can be implemented and sustained in typical community and clinical settings, at a reasonable cost — with a special interest in achieving health equity. He is the author of nearly 200 publications, mostly focusing on how best to integrate evidence-based practice into community and clinical settings. Dr. Estabrooks received a BPE and an MSc from the University of Calgary and a PhD from the University of Western Ontario.

Appointment Term: 2017–2020



Tiffany Gary-Webb, PhD, MPH

Associate Professor

Departments of Behavioral and Community Sciences and Epidemiology

Graduate School of Public Health

University of Pittsburg


	Tiffany Gary WebbDr. Gary-Webb is Associate Professor in the Departments of Behavioral and Community Health Sciences and Epidemiology at the University of Pittsburgh, Graduate School of Public Health. She has held faculty positions at several other top-tiered schools of public health including the Columbia University Mailman School of Public Health and the Johns Hopkins Bloomberg School of Public Health. Her current research agenda is the culmination of 16 years of experience working to understand the social and environmental determinants of chronic disease and implementing interventions to improve prevention and control. Her areas of research are divided into three defined areas: 1) the social determinants of diabetes and obesity, 2) interventions to improve diabetes outcomes for minority populations, and 3) translation of research findings to practice and real-world evaluation. She has held leadership positions in several national organizations including the American Diabetes Association, the American Public Health Association, and the African American Collaborative Obesity Research Network. She completed her doctorate and master’s degrees in clinical epidemiology from Johns Hopkins School of Hygiene and Public Health. She completed a postdoctoral fellowship at CDC.

Appointment Term: 2016–2019



Sandra Hayes, DrPH, MPH, MCS

Executive Director

George A. and Ruth B. Owens Health and Wellness Center

Tougaloo College


	Sandra HayesDr. Hayes serves as the Executive Director for the George A. and Ruth B. Owens Health and Wellness Center at Tougaloo College. Dr. Hayes serves as principal investigator for several community-based research projects that examine the influence of social determinants on health outcomes. Dr. Hayes’s research interests explore health disparities related to the social determinants of health, development of infectious and chronic diseases (HIV/AIDS, tuberculosis, diabetes, and asthma). Dr. Hayes serves on the Mississippi Medical Association’s Commission for Health Equity, Alcorn State University’s Agricultural Research Center steering committee, Mississippi Center for Clinical and Translational Research steering committee, and the Community Research Fellows Training Program steering committee. Dr. Hayes holds a master of combined science degree in biology from Mississippi College. She holds doctorate and master’s degrees in epidemiology from the Jackson State University School of Public Health.

Appointment Term: 2016–2019



Youlian Liao, MD

Senior Epidemiologist

Division of Community Health

National Center for Chronic Disease Prevention and Health Promotion

Centers for Disease Control and Prevention


	liaoDr. Liao is a Senior Epidemiologist in the Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion at CDC. He serves as a subject matter expert in conducting epidemiological research studies examining cause and patterns of health and illness status in populations. Dr. Liao’s research has contributed to CDC’s ability to plan and evaluate strategies to prevent chronic diseases. Dr. Liao has considerable expertise in the formulation of community interventions, clinical trials, and observational studies. He has served as Deputy Associate Director for Science in the Division of Adult and Community Health at CDC. Prior to joining CDC, Dr. Liao served as Professor in the Department of Biometry and Epidemiology at the Medical University of South Carolina. He completed his MD at the Zhong Shan Medical College in the Republic of China and his postdoctoral fellowship in cardiovascular epidemiology and preventive cardiology at Northwestern University Medical School.

Appointment Term: 2016-2017



Sarah L. Martin, PhD, MS

Assistant Professor of Social and Administrative Sciences

Department of Basic Pharmaceutical Sciences

Husson University School of Pharmacy

Bangor, Maine


	Sarah L MartinDr. Martin joined the Husson University School of Pharmacy as an assistant professor of Social and Administrative Sciences in 2013. Prior to joining the School of Pharmacy, she was adjunct professor of epidemiology at Husson University in the School of Science and Humanities. She has more than 25 years of experience in public health. She was a health scientist for CDC, and she taught research-related courses at the University of Maine at Farmington and Morehead State University. Dr. Martin has authored more than 50 peer-reviewed articles and serves as a reviewer for several health-related journals. Her research focuses on substance use disorders, health equity, and the assessment of pharmaceutical needs in rural settings in the midst of the changing health care environment. She received an AB from Brown University, an MS from the University of New Mexico, and a PhD from the Arnold School of Public Health at the University of South Carolina.

Appointment Term: 2017-2019



Qaiser Mukhtar, PhD, MSc

Health Scientist

Division of Nutrition, Physical Activity and Obesity

National Center for Chronic Disease Prevention and Health Promotion

Centers for Disease Control and Prevention

Atlanta, Georgia


	Qaiser MukhtarDr. Mukhtar leads efforts at CDC’s Division of Nutrition, Physical Activity, and Obesity to increase physical activity in American worksites through scientific translation, consultation, and partnership. She came to CDC from the New Mexico State Department of Health, where she was the hantavirus epidemiologist and led a community-based diabetes primary prevention research study assessing the association between Acanthosis nigricans and hyperinsulinemia among middle-school students. At CDC, she has served in several key leadership roles: in the Community Guide Branch, the Applied Research and Translation Team at the Division for Heart Disease and Stroke Prevention, and the Applied Research and Evaluation Team at the Division for Diabetes Translation. Dr. Mukhtar received a BSc and an MSc from the University of Karachi, Pakistan, and a PhD from the University of South Carolina.

Appointment Term: 2017-2019



Jean O’Connor, JD, MPH, DrPH

Chronic Disease Director

Georgia Department of Public Health


	ConnorDr. O’Connor serves as the Chronic Disease Prevention Director for the Georgia Department of Public Health (DPH).  She is responsible for statewide programs related to cancer prevention, tobacco use, adolescent health, and asthma.  Dr. O’Connor has worked in public health research, policy, and program development for almost 20 years, starting out as an Emergency Medical Technician in the Emergency Department at Grady Hospital. Her experience in this capacity helped her to experience firsthand the role of systems and environments play in shaping health status.  Before joining DPH in 2013, Dr. O’Connor served as a state deputy health director and a health insurance policy advisor, and she was a Health Scientist at CDC, working on policy and strategy issues across multiple centers, including preparedness.  For the past decade, she has taught public health law and policy at Emory University’s Rollins School of Public Health.  She is the president-elect of the National Association of Chronic Disease Directors (NACDD).  Dr. O’Connor completed her JD and MPH at Emory University and her DrPH from the University of North Carolina at Chapel Hill.

Appointment Term: 2016–2020



Mark Rivera, PhD, MA

Health Scientist

Centers for Disease Control and Prevention

National Center for Chronic Disease Prevention and Health Promotion

Division for Heart Disease and Stroke Prevention

Applied Research and Evaluation Branch

Atlanta, Georgia


	Mark RiveraPrior to joining CDC in 2004, Dr. Rivera conducted evaluation studies and developed performance measurement tools at Georgia State University’s Andrew Young School of Policy Studies. He has served in several posts in the Atlanta-area Evaluation Association and as an associate editor for Health Promotion Practice. Dr. Rivera provides technical assistance and training on evaluation and performance monitoring to CDC staff members and CDC’s state and community program award recipients. He works closely with awardees to assess and document program implementation and the degree to which programs reach their intended participants. He is particularly interested in the use of implementation evaluation to better understand how outcomes are best achieved in various contexts. Dr. Rivera received a BA from George Mason University and an MA and PhD from DePaul University.

Appointment Term: 2017-2020



Mark A. Strand, PhD, MS


College of Health Professions

North Dakota State University

Fargo, North Dakota


	Mark StrandDr. Strand teaches courses in epidemiology, prevention and management of chronic illness, and global health in the Master of Public Health Program; he also teaches a course in public health for pharmacists in the School of Pharmacy. He received a CPH (Certified in Public Health) credential from the National Board of Public Health Examiners and a certificate in Diabetes Management from the International Diabetes Federation. Dr. Strand has authored more than 50 peer-reviewed articles, with primary research in diabetes prevention and management, evaluation of the Diabetes Prevention Program, comorbid diabetes and depression, metabolic syndrome, and public health education in pharmacy. He completed a trial evaluating the efficacy of the Diabetes Prevention Program in China and is fluent in Mandarin Chinese. In 2016 Dr. Strand earned the College of Health Professions Dean's Award for Excellence in Research and in 2014 was awarded the North Dakota Rural Health Educator/Mentor of the Year. He is also a section councilor in the International Health Section of the American Public Health Association. He received a BA from Luther College, an MS from the University of Minnesota, and a PhD from the University of Colorado at Denver.

Appointment Term: 2017-2020



Tung-Sung Tseng, PhD, MPH

Associate Professor

Behavioral and Community Health Sciences Department

School of Public Health

Louisiana State University Health Sciences Center


	Tung Sung Tseng (Sam)Dr. Tseng is Associate Professor in Behavioral and Community Health Sciences at the School of Public Health, Louisiana State University (LSU) Health Sciences Center in New Orleans. Dr. Tseng is a Certified Health Education Specialist/Master Certified Health Education Specialist and co-chairs the Ethics Committee of the Society for Public Health Education. He is a senior behavioral scientist and lead evaluator of the Tobacco Control Initiative, a multi-disciplinary program that specializes in helping tobacco users quit, in part by offering free or low-cost tobacco treatment services to all Louisiana public hospital patients and employees and the communities that the hospitals serve. He also serves as a member of Design and Analysis Core, Health Care Effectiveness, LSU Health Care Services Division and Stanley S. Scott Cancer Center. His primary research interests include tobacco control, childhood obesity, gene–environment interaction, risk behavioral patterns, health promotion interventions and evaluations, health disparities, and cancer prevention among ethnic minorities and under served populations. He holds a doctorate in community health and a master’s degree in health policy and health behavior from the Institute of Health Policy at the National Taiwan University.

Appointment Term: 2016–2020



Camille Vaughan, MD, MS

Associate Section Chief for Research in Geriatrics and Gerontology

Emory School of Medicine


	Camille VaughanDr. Vaughan is a geriatrician and Associate Section Chief for Research in Geriatrics and Gerontology at Emory University. Dr. Vaughan also serves as Atlanta site director for Clinical Programs in the Birmingham/Atlanta Geriatric Research Education and Clinical Center at the Atlanta VA Medical Center. Dr. Vaughan's research focuses on optimizing the care of adults with multiple chronic conditions. Specifically, she has expertise in the study of lower urinary tract symptoms among older adults, including those living with Parkinson’s disease. She joined the PCD editorial team in October 2013.  She completed her doctor of medicine and a master’s degree in Clinical Research at Emory University.

Appointment Term: 2016–2020

The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions.