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Leadership & Purpose

As a member of Saint Joseph Mercy Health System, our regional Board of Trustees is composed of community leaders, religious sisters and hospital officials, provides direction and leadership.

Daily local operations are overseen by the Operations Council, while medical staff oversight is provided by the Medical Executive Committee. A dedicated team of managers, supervisors and professional staff are committed to remarkable patient care and service every day.

Operations Leadership Council

David A. Spivey
President and CEO

Bud Lauderbach
Chief Operating Officer

Peter Dews, MD
Chief Medical Officer & Vice President, Medical Affairs

Mike Samyn
Chief Financial Officer

Sister Janet Marie Adamczyk
Chief Mission Officer

Donna Gray, RN, MSN
Chief Nursing Officer

Laura Gutierrez
Patient Experience Officer and Interim Director, Human Resources

Sarah Gilbert
Executive Director, Cardiovascular, Surgical & Rehab Service Lines

Greg Sears
Executive Director, Ambulatory Services

Prasad Mikkilineni, MD
Physician Advisor, Quality Improvement

Medical Executive Committee

Medical Staff Officers

K. C. Joseph, MD
Chief of Staff

Michael Calice, MD
Chief of Staff Elect

Patricia Paz-Arabo, MD

Medical Department Chairpersons

Michael Calice, MD
Chair, Emergency Medicine

Timothy Cahill, MD
Chair, Anesthesiology

Christopher Esshaki, MD
Chair, Radiology

Michael Gatt, MD
Chair, Maternal Child Services

Vijay Goburdhun, MD
Chair, Medicine

Kalappurachal Joseph, MD
Chair, Behavioral Medicine

Stewart Knoepp, MD
Chair, Pathology

John Iljas, MD
Chair, Surgery

Members at Large

Howard Kane, DPM
Lawrence Lipnik, MD
David Steinberger, MD
Syamasundera Zampani, MD


David, Spivey, President/CEO
Peter Dews, MD, VPMA
Donna Gray, CNO
Bud Lauderbach, Vice President, Clinical Services

St. Mary Mercy Hospital, a 304-bed acute care community hospital located in Livonia, Michigan, provides a welcoming environment offering vital, quality medical care to our communities.

St. Mary Mercy Hospital is one of ten Michigan hospitals affiliated with Trinity Health, the third largest Catholic health system in the United States. With its national corporate office located in nearby Novi, Michigan, Trinity Health provides resources and best practices to its member organizations nationwide.

St. Mary Mercy Hospital is a leader in the community, working closely with local and state government, businesses, schools and civic organizations.

A Member of Trinity Health
© 2015 Trinity Health

St. Mary Mercy Livonia | 36475 Five Mile, Livonia, Michigan 48154 | 734-655-4800