Senior Management
Dr. Michael Purdy, OD, MSPH
Chief Executive Officer
Dr. Purdy received his BS in Biology in 1999, a Doctor of Optometry from The New England College of Optometry in 2003, and a Master’s in Public Health in 2019. He joined HCHC in 2010 and has worked for over 19 years in Community Health, including his role as Chief Clinical and Community Service Officer. In 2023, he was appointed CEO for HCHC..
Debra DiStefano, PhD
Chief People and Compliance Officer
Dr. Debbie DiStefano serves as the Chief People and Compliance Officer for Hilltown Community Health Center. In her current role, she serves as Compliance Officer, Risk Manager, and Quality Improvement Director, with a focus on quality metrics, patient satisfaction, and data-driven decision-making. Dr. DiStefano served as a professor of Spanish at Southeast Missouri State University for 18 years. She is a Latin Americanist whose area of expertise is the history and cultural production of the many populations of Asian descent in the Americas..
Mark Wagstaff
Chief Financial and Operations Officer
Mark Wagstaff, CFOO, has built a 30‑year career marked by a proven record of increasing cash flow and profitability across the manufacturing, distribution, retail, and healthcare industries. Over the past 15 years, with a strong emphasis on strategic business planning and operational management, he has supported organizations ranging from start‑ups to companies in financial distress. In his role as a financial leader, he has helped improve cash flow by $15 million and increase net income by $4.5 million.
Outside of work, Mark and his wife are navigating life as “quasi empty nesters,” with their son and daughter currently in college. He also enjoys spending time hiking with their golden retriever, Chili
Sierra Holland, MBA, PHR
Chief Human Resources Officer
Sierra Holland serves as the Chief Human Resources Officer at Hilltown Community Health Center, bringing over seven years of nonprofit Human Resources experience and a strong commitment to people-focused organizational development. Sierra holds a Master of Business Administration and is a certified Professional in Human Resources (PHR). Since joining HCHC in 2023, she has overseen all aspects of the Human Resources function—including employee relations, talent acquisition, compensation and benefits, performance management, compliance, and workforce development.
Sierra is passionate about fostering a positive, compliant, and supportive workplace culture. She finds fulfillment in navigating complex HR challenges and providing meaningful support to employees during both pivotal and everyday moments. Her work is driven by a belief that HR can be both strategic and deeply personal, helping people thrive while advancing the organization’s mission.
Outside of work, she enjoys spending time outdoors and camping with her family.
Beth Warner, DO CMD
Chief Medical Officer
Department Heads
- Laurie Freitag, Controller
- Jaime Gogol, Clinical Operations Manager
- Kyleigh Golembeski, NP, Director of School Based Health Center
- Cynthia Magrath, Dental and School-Based Operations Manager
- Karen Rida, Director of Billing
- Kim Savery, Director of Community Programs
- Ruchir Agarwal DDS, Oral Health Director
- Franny Huberman, MSW, LICSW, Behavioral Health Director
- Virginia Frontiero, FNP Medical Director
- Laurel Chute, OD, Director of Optometry
Board of Directors
Lee Manchester, Treasurer
Chesterfield, MA
Nancy Burke, Vice-Chair
South Deerfield, MA
Nancy Gilbert
Amherst, MA
Alan Gaitenby
Huntington, MA
Linda-Jo Diamond
Becket, MA
Kathryn Jensen
Plainfield, MA
Kiko Malin
Amherst, MA
Laura Dimmler
Chesterfield, MA
Jennifer Pappas, Chair
Russell, MA