Board of Directors

CTTTP Board of Directors, 2022

   Christine E. Sheffer, PhD
   Roswell Park Comprehensive Cancer Center

Christine E. Sheffer, PhD is a licensed clinical psychologist and an Associate Professor of Oncology in the Department of Health Behavior at Roswell Park Comprehensive Cancer Center and the Director of Research and Evaluation for Roswell Park Cessation Services. As a clinician, researcher, and educator, her goals include contributing to incremental increases in the efficacy and uptake of high-quality evidence-based treatments for tobacco dependence, enabling individuals to obtain the help they need to achieve and maintain good health. Dr. Sheffer’s research focuses on the examination of bio-behavioral mechanisms that support and sustain addictive behaviors. Her work focuses on improving the efficacy and uptake of empirically-supported treatments for tobacco use, particularly among groups that experience tobacco-related health disparities; investigating neurocognitive processes associated with tobacco dependence and other risky and addictive health behaviors; and investigating effective methods to train health care providers in the treatment of tobacco dependence.

Jennifer Greyber 
Duke-UNC Tobacco Treatment Specialist Training Program

Jennifer Greyber is the Program Coordinator for the Duke-UNC Tobacco Treatment Specialist Training Program. She is a grammar nerd and has a background in editing and publishing. She lives in Durham, NC, and enjoys yoga, cooking, the NC mountains, and spending time with her husband and their 3 sons.




Etta Short, MS

Etta Short is a Public Health professional with over 25 years of experience managing behavior change and health promotion programs in clinical, government, non-profit, international and corporate settings. Her expertise includes smoking cessation and prevention, weight management, and lifestyle behaviors.

She joined Optum in 2005 to establish a Quit Coach training program. In her current role, Director of Clinical Development and Support she provides oversight, expertise and leadership for the development of behavior change aspects of Quit for Life and other wellness coaching programs.

In addition to work at Optum, Etta published articles on cultural competency in the health care settings and co-authored three training manuals for the World Health Organization (WHO), including “Training for Quit line Tobacco Treatment Specialist: Telephone Counseling.” She provided consulting services for WHO delivering Tobacco Cessation Counselor training in China, UAE, Turkey and Sri Lanka.

Ms. Short earned a bachelor’s degree in English Literature and a teaching credential from University of California at Los Angeles, a master’s in Public Health Education from the University of Washington and she is a graduate of the Northwest Public Health Leadership Institute.

Etta has dedicated her career to helping people achieve their health goals. She lives in Seattle Washington and enjoys the time she spends with her family making healthy meals, walking, running skiing and hiking.


Gretchen Galley
Communications Director
Roswell Park Comprehensive Cancer Center

Gretchen Galley is a marketing, public relations, and social media expert with a proven track record helping brands and organizations build a strong presence across many traditional and social media platforms. A previous creative director at a leading advertising agency, she pivoted her talents to telling and sharing amazing stories about tobacco control researchers, tobacco-free youth advocates, and policymakers who listen to their science-based evidence and personal testimonies and take action to help us reduce tobacco use. She lives with her dachshund, Gherkin, in an historic building just two blocks from her office at Roswell Park Comprehensive Cancer Center.

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