Board of Directors
The NCPG Board of Directors provide leadership and expertise to help build NCPG Membership, guide policies, implement strategies and achieve organizational growth to serve all those affected by problem gambling.
2024-2025 Board of Directors
Susan Sheridan Tucker, President
Susan Sheridan Tucker earned her degree in English Literature and Political Science from NYU after working on Wall Street to support her way through school. She was in the first class in which trading options was part of the licensing curriculum, which was her first exposure to gambling.?Susan received her master’s in Urban Planning at Hunter College and began a career as a planning consultant. Susan worked to support accessible housing, environmental sustainability and other local projects.
Since then, Susan’s career has focused on nonprofit management, building organizations and advocating for those with diminished voice. Susan has worked with several organizations including the Minnesota Alliance on Problem Gambling, where she currently serves as Executive Director.
Susan and her husband moved to Minnesota in 1992, where they raised two daughters. Susan is active in her church, and enjoys traveling, cycling and gardening in her spare time. Currently, Susan serves as the President of the NCPG Board of Directors and holds an Affiliates Seat (2023-2026).
Raquel Buari, JD, Vice President
Raquel Buari, JD is the Executive Vice President for Four Winds Casinos, owned and operated by the Pokagon Band. She has worked for Four Winds since 2009 and has held various leadership roles in Legal, Compliance and Human Resources. Raquel served on the Planning Committee for the first NCPG Tribal Summit on Responsible Gaming in 2017 and serves as the Board liaison to the Diversity Equity & Inclusion Committee.
From South Bend, Indiana, Raquel graduated from Ball State University with a BS in Legal Studies and Political Science and earned her JD from Valparaiso University School of Law. She is a member of the Pokagon Band of Potawatomi Indians. Raquel resides in the South Bend area with her husband and four beautiful children.
Raquel serves as the current Vice President of the NCPG Board of Directors and holds an Organizational Seat (2022-2025).
Derek Longmeier, Treasurer
Heather Chapman, PhD, Secretary
Tammi Barlow
Mary Drexler
Mary Drexler, MSW is the Program Director for the Maryland Center of Excellence on Problem Gambling. Ms. Drexler holds a Master of Social Work degree from the University of Connecticut. She brings 45 years’ experience in the social services field with 18 years in specific problem gambling prevention and intervention, during which she served as Executive Director of the Connecticut Council on Problem Gambling.
As Assistant Director and then Executive Director of the Connecticut Council on Problem Gambling, she oversaw the operations of the Council, including managing initiatives in problem gambling prevention, awareness, and intervention. Since 2017, as Program Director for the Maryland Center of Excellence on Problem Gambling, Ms. Drexler has been responsible for the oversight of the Center’s initiatives in problem gambling prevention, awareness, treatment, peer support, and public policy. Prior to joining The Center in 2017, Ms. Drexler held the position of Responsible Gambling Program Coordinator for three years for the Maryland Lottery and Gaming Control Agency (MLGCA). Mary also has over 20 years’ experience in crisis intervention and suicide prevention.
Mary currently serves on the NCPG Board of Directors and holds an Organizational Seat (2023-2026).
Christina Gray
Christina Gray was with the Indiana Gaming Commission for 20 years, starting as an Auditor, then Lead Auditor and the last 10 years as Director of Compliance. As Director of Compliance, Christina oversaw all the slot machines and table games, promotions and tournaments approvals, the Voluntary Exclusion Program, patron complaints and disciplinary action recommendations. Christina has served as the Executive Director of the Indiana Council on Problem Gambling for the last seven years, where she is the only employee. In that role, Christina is responsible for advertising, board membership, donations, conferences, social media, advocacy, education, awareness of disordered gambling, and day to day operations.
Christina currently serves on the NCPG Board of Directors and holds an Affiliates Seat (2024 – 2027).
Maureen Greeley
Maureen Greeley has worked in the Problem and Responsible Gambling Field with and for the Evergreen Council on Problem Gambling (ECPG) for 26 years.? She began her work in responsible gambling in 1998 as the Communications Director for the Washington State Lottery.? In 2006, Greeley accepted the role of Executive Director for ECPG. Maureen has also worked with the National Council on Problem Gambling (NCPG) since 1999, and will completed 10 years of service on the NCPG Board in 2024, including serving as President for multiple terms.
In 2018, Greeley received NCPG’s Lifetime Achievement Award for Advocacy – recognizing dedication to improving the lives of individuals impacted by problem gambling and their families through advocacy, training, and public awareness.? Thanks to the wonderful work of a passionate team, ECPG has been awarded the NCPG Multicultural Communications Award multiple times for the most effective multicultural outreach program using integrated communication channels.
Maureen currently serves on the NCPG Board of Directors and holds an Affiliates Seat (2023-2026).
Felicia Grondin
Wiley Harwell
Wiley D. Harwell is the Executive Director of the Oklahoma Association on Problem Gambling and Gaming, the official affiliate of the National Council on Problem Gambling. As the affiliate, Wiley administers the Oklahoma Helpline, leads training for certification to become a certified gambling counselor, works with tribes to promote responsible gambling, promotes awareness for problem gambling to the public and government officials, and works in cooperation with the Oklahoma Department of Mental Health and Substance Abuse as an advocate for all aspects of problem gambling issues.
Wiley has a Doctor of Ministry degree from Southern Methodist University, a Master of Divinity from Southern Seminary in Louisville, Kentucky and a bachelor’s degree from Wayland Baptist University. Wiley is a licensed professional counselor, a certified employee assistance professional, and an International Certified Gambling Counselor-II, BACC and CGT.
In July 2012, Wiley was elected to serve as a board member of the National Council on Problem Gambling and was re-elected in 2015. Wiley also served as president of the NCPG Board of Directors from 2015-2017. In 2022, Wiley was re-elected during a special election and currently holds an Affiliates Seat (2022-2025).
Marc Potenza, MD, PhD
Dr. Potenza is a board-certified psychiatrist specializing in addiction psychiatry. His research focuses on how behavioral addictions are similar to and different from substance addictions, for which he has won numerous accolades. He currently works as a professor of Psychiatry at Yale University in the Child Study Center and Neuroscience. Dr. Potenza also serves as the Director at Yale’s Center of Excellence in Gambling Research and at the Yale Program for Research on Impulsivity and Impulse Control Disorders, as well as at the Director for Women and Addictive Disorders at the Yale Women’s Health Research Center. He also serves as Senior Scientist at the Connecticut Council on Problem Gambling.
Dr. Potenza received the NCPG Lifetime Research Award in 2016 for his work on gambling and addiction. He currently serves on the NCPG Board of Directors and holds an Individuals Seat (2023-2026).
Vena Schexnayder
Jeff Wasserman, JD
Jeff Wasserman was a practicing attorney in Delaware for nearly 33 years. In August 2015, he transitioned to disability inactive status due to a gambling disorder. Jeff earned a BS in Political Science from the University of Rhode Island, a Master’s in Public Administration from New York University, and a Juris Doctor from Delaware Law School. He is a Certified Peer Recovery Specialist (CPRS) and an International Certified Gambling Counselor (ICGC-I).
Jeff serves as the Judicial Outreach and Development Director for the Delaware Council on Gambling Problems, where he leads initiatives to raise awareness of gambling addiction within the criminal justice system. In 2019, he founded the Problem Gambling Support Group (PGSG), which provides online meetings for individuals seeking gambling abstinence. Today, PGSG has nearly 200 members from around the world, with a significant portion being under the age of thirty. Jeff also offers individual peer support services and answers calls on a problem gambling helpline. Additionally, he volunteers with Pennsylvania Lawyers Concerned for Lawyers and the Delaware Lawyers Assistance Program.
Jeff has been a presenter for various organizations and institutions, including the Arizona Department of Gaming, Delaware State Bar Association, Montana State Bar Association, the National Council on Problem Gambling, Delaware Law School, and the National Association of Drug Court Professionals. He has been interviewed by local and national news outlets on the topic of problem gambling and co-hosts All In: The Addicted Gambler’s Podcast. Currently, Jeff serves on the NCPG Board of Directors, holding an Affiliates Seat (2022-2025).
David Yeager
Temporary Vacancy
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