The Board of Trustees is comprised of professionals from both the business sector and human services field. All have a significant commitment to the primary mission of the agency which is to provide expert addiction treatment to help and support individuals struggling with substance use disorder.

Mark Kennard
Lawrence Kane, MD
Vice Chair
Christi Green, RN/MS/PH
Christopher Roundy, Esq.
Sr. Helene Higgins, CSJ
Kevin MacLeod
Frank Cassidy
Alec L. McEachern, Esq.
Susan Martinen
Edward Milliken
Jocelyn Caple, MD


Jonathan Cheyne, MSci

Executive Director

Jon joined the board at SENHS in October 2020, and sat on the finance committee for the following two years, while working on his PhD in physics at UNH. He stepped into the Executive Director position on an interim basis in October 2022. He is finishing up his doctoral thesis part time, with an intention to defend this spring. His research areas are diverse, including both substantial published work on entanglement entropy in non-relativistic holography, and extensive ongoing study of factors affecting participation and persistence within STEM education for students from lower income backgrounds.

Jon has worked in multiple fields, including education, finance, and technology. He has experience with non-profit board level positions both in the US and his native UK, with the bulk of these focused on SUD treatment and recovery

Outside of the office, Jon is a keen player and coach for local rugby teams, playing and coaching with Freedom RFC, and coaching the UNH men’s rugby team. He and his wife are also enthusiastic runners and hikers.

Jessica Stucker, LICSW, MLADC, SAP 

Clinical Director

Jessica is an experienced supervisor, licensed clinical social worker and master licensed alcohol and drug counselor at Southeastern New Hampshire Alcohol and Drug Services. As Clinical Director, Jessica is responsible for overseeing all clinical programming within the agency. Jessica started as an intern for the Strafford County Drug Court Program in 2013 while obtaining her masters in social work. From there, she became a drug court clinician, drug court manager, and was eventually promoted to SENHS’ clinical manager. Jessica left in 2019 to pursue her own private practice and became a Substance Abuse Provider (SAP), but happily reconnected with the agency in December 2022. 

Jessica is committed to SENHS’ mission to provide the best substance misuse treatment in New Hampshire and to provide staff with current clinical knowledge. Outside of work, Jessica enjoys visiting New Hampshire’s beaches and lakes with her husband and two daughters.


Southeastern New Hampshire Services

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