Join us!
Become a volunteer, join our board of directors, attend a workgroup meeting, tell a friend, share a post, come to an event — no matter how big or small, there are many ways to get involved!
Help us build momentum through inclusive, collaborative processes that promote clear minds, bright futures and healthy communities for all.
Meet the Team
Hannah Calhoun
Executive Director
Hannah holds a BA in Psychology from Buffalo State College and brings over a decade of nonprofit experience to her work. A lifelong Chatham resident, she has deep roots in the community and, like so many, has lost friends and loved ones to substance use disorder.
Her career began through volunteer and internship roles with organizations addressing food insecurity, immigration, homelessness, and domestic violence. She later worked in foster care and residential treatment before transitioning to preventive services as Director of the Youth Advocacy Program. In 2022, Hannah joined CGAC as Project Director.
Hannah is passionate about incorporating the voices of those with lived experience to strengthen program development, outreach, advocacy, and community mobilization. She is an experienced public speaker, presenter, and community educator who also thrives on creative outlets and enjoys bringing design into the coalition’s work through print materials, and digital campaigns.
Hannah currently serves as a Private Sector Board Member for Greene County Community Action, a member of the Columbia County Community Services Board, and a member of the Taghkanic Town Board. She also previously served on the Opioid Settlement Workgroup for nearly two years.
Emily Dickinson
Grant Program Manager
Zack Tashoff
Youth Coordinator
Veronica Salvas
Epidemiologist
Board of Directors
Jason Fredenberg, PsyD President, Financial Committee Term 1: 1/2023-12/2025; Term 2: 1/2026-12/2028
Dan Almasi, LCSW-R Vice President, Strategic Planning Term 1: 1/2023-12/2025; Term 2: 1/2026-12/2028
Aaron Mathias- Long, CPA Treasurer, Financial Committee Term 1: 1/2026-12/2028
Vacant as of March 2026 Secretary, HR/Staffing Committee Term 1: 1/2023-12/2025; Term 2: 1/2026-12/2028
Mark Quackenbush, PharmD Member, Fundraising Committee Term 1: 9/2023-12/2026
Tyler Witco, MS, Medicine Regulatory Affairs Member, HR/Staffing Committee Term 1: 1/2025-12/2027
Laurie Harbeck, MPA Member, Fundraising Committee Term 1: 2/2024-12/2026
Jessica Flach, MS, CASAC Member, Fundraising Committee Term 1: 10/2025-12/2027
CGAC Bylaws
CGAC 2026 Mtg. Schedule
Monday, January 26th. 2026 at 5pm via google meet
Monday, February 23rd, 2026 at 5pm via google meet
Monday, March 30th, 2026 at 5pm via google meet
Monday, April 27th, 2026 at 5pm via google meet
Monday, May 25th, 2026 at 5pm via google meet
Monday, June 29th, 2026 at 5pm via google meet
Monday, July 27th, 2026 at 5pm via google meet
No Meeting held August 2026
Monday, September 28th, 2026 at 5pm via google meet
Monday, October 26th, 2026 at 5pm via google meet
Monday, November 30th, 2026 at 5pm via google meet
No Meeting held December 2026