Our Team
Keystone Leadership Team
Bringing Healing to a Community Requires Key Leadership
Leadership Team Background
Keystone’s leadership team has a deep background in not-for-profit management and decades of experience working in counseling with substance use organizations combined with a heart for those in their community who are dealing with a substance use disorder. Our team and staff work hard daily to bring health, hope, and healing to York County.
Medical Leadership
James Jewell, MD
MEDICAL DIRECTOR
Maureen Burdett, MD
OUTPATIENT PHYSICIAN - MAT
Samantha Suffren, MD
CONSULTING PSYCHIATRIST
Board of Directors
GOVERNANCE COMMITTEE
Chad Williams
CHAIR
Retired
Lincoln Sigwald VICE CHAIR
English Department Chair, Charlotte Catholic
Christina Westover
SECRETARY
Chief Deputy Coroner, York County
Alexis Ellis
TREASURER
Tax Manager, Comporium
BOARD MEMBERS
Dr. Mark Billman
BOARD MEMBER
Surgeon, Center for Oral and Maxillofacial Surgery
Latasha Brown
BOARD MEMBER CEO/Clinical Director/Counselor
Brown Clinical Services
Andrea Cooper
PAST CHAIR, BOARD MEMBER
Senior VP of HR, Comporium
Montrio Belton
BOARD MEMBER Managing Attorney Law Office of Montrio Belton, LLC
Courtney Jones
BOARD MEMBER
Coordinator of Community Support, Clover School District
Marina Hamilton
BOARD MEMBER
Senior Solicitor, 16th Circuit Solicitor's Office, York County
Elyse Harper
BOARD MEMBER Strategy Manager, Henkel AG & Co.
Caroline Clark
BOARD MEMBER
Expense and Contract Consultant
Salt Paper Studio
Philip Keenan
BOARD MEMBER
Retired
Jennifer Gammon
BOARD MEMBER
Executive Assistant & Senior Coordinator for Presidential Affairs, York Technical College