Shelly Buck Named Board Chair-Elect of HAP
Main Line Health executive Shelly Buck will lead the Hospital and Healthsystem Association of Pennsylvania as board chair beginning in the 2028-2029 term.
Updated on Nov. 8, 2026 in People
The Hospital and Healthsystem Association of Pennsylvania has selected Shelly Buck as Board Chair-Elect for the 2026-2027 term. Buck, President of Ambulatory and Professional Services for Main Line Health, will assume the chair role after Mark A. Rubino's two-year term expires.
Why it matters
The association represents 235 member hospitals across the state, and its board chair helps set its direction on healthcare policy and hospital operations. Buck's selection places a leader with prior experience as Board Secretary and as chair of its Task Force on Maternal and Child Health in a position of statewide influence.
The Hospital and Healthsystem Association of Pennsylvania is governed by a 24-member board and represents 235 member hospitals statewide. Mark A. Rubino, MD, MMM, the current chair, served a two-year term.
The players
Shelly Buck
Shelly Buck is President of Ambulatory and Professional Services for Main Line Health and a former president of Riddle Hospital.
Hospital and Healthsystem Association of Pennsylvania
The Hospital and Healthsystem Association of Pennsylvania is a statewide trade association representing 235 member hospitals in Pennsylvania.
Mark A. Rubino, MD, MMM
Mark A. Rubino is President of Forbes and Allegheny Valley Hospitals and currently chairs the Hospital and Healthsystem Association of Pennsylvania.
The details
Buck is currently Board Secretary of the association and previously served as President of Riddle Hospital, where the Riddle Hospital Pavilion opened in 2023. She also chaired the association's Task Force on Maternal and Child Health before the chair-elect selection.
Timeline
2023: Riddle Hospital Pavilion opens while Buck leads Riddle Hospital.
2026-2027: Buck serves as Board Chair-Elect.
2028-2029: Buck transitions to Board Chair.
Market Landscape
Leadership rotations at state hospital associations shape how member systems coordinate on statewide issues. Buck's selection follows the association's established practice of naming a chair-elect two years before the chair role begins.
Patients and staff at Pennsylvania hospitals may see changes in statewide healthcare priorities as the association's leadership shifts. Buck's background in ambulatory care and maternal and child health could influence policy affecting outpatient services and family care.
The takeaway
Leadership succession at the state hospital association signals continuity in how Pennsylvania hospitals coordinate policy. Readers following healthcare governance can track how Buck's priorities develop over the coming terms.
What happens next
Buck will assume the Board Chair role in the 2028-2029 term following Rubino's two-year term.
Further reading
Explore more People coverage tied to healthcare leadership appointments across the state.
Source note: This article includes information reported by Mainline Media News.
