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Governance and Leadership

Servant leadership, the concept of serving the patient or serving those who do, is deeply embedded in the culture of Summa Health System and is the cornerstone of our mission, vision and values. This is what differentiates Summa Health System from others. Every employee is a servant leader, beginning with the executive leadership team.

Thomas Strauss
President and Chief Executive Officer

Kyle Barr
Senior Vice President, Human Resources

Brian Derrick
Senior Vice President, Chief Financial Officer

Phylis Ferrara 
President and Chief Development Officer, Summa Foundation

Martin Hauser
CEO, SummaCare and Vice President, Government Relations, Summa Health System

Gregory Kall
Senior Vice President, Chief Information Officer

Robert Kent, D.O.
Chief Executive Officer, Summa Western Reserve Hospital

Unhee Kim, R.N.
Senior Vice President, Service Lines and Ancillary Services

Patrice Lange
Senior Vice President, Planning and Corporate Support

Thomas Malone, M.D.
Senior Vice President, Chief Operating Officer

William Powel, III
Senior Vice President, Legal Services

Erik Steele, D.O.
Senior Vice President, Chief Medical Officer

Ronald Suntken, Ed.D.
President and Chief Executive Officer, Crystal Clinic Orthopaedic Center

Mark Terpylak, D.O., FACOG
President, NewHealth Collaborative

Lanie Ward, R.N.
Senior Vice President, Chief Nursing Officer

Claude Vincenti
President, Summa Integrated Health Solutions and President, SummaCare

Jay Williamson, M.D.
President and Chief Medical Officer, Summa Physicians Inc. 

Joseph Zarconi, M.D.
System Vice President, Medical Education, Chief Academic Officer

The System Board of Directors is responsible for guiding Summa’s long-term success while maintaining a constant focus on clinical quality and the improved health of the populations we serve.

Each director is chosen based on his/her background, experience, skills and commitment to the mission of Summa Health System.

Members of the current board of directors include:

  • Norman Wells, Jr., Chair
  • James McIlvaine, Vice Chair
  • Thomas Strauss, President and CEO
  • Nicholas Browning
  • Daryl Cameron
  • James Gravell
  • Michael Hughes, M.D.
  • James Kravec, M.D.
  • Anthony Lockhart
  • Richard Marsh
  • Theresa Proenza
  • Brian Smith
  • R. Douglas Trochelman, M.D.
  • Leila Vespoli
  • Vivian von Gruenigen, M.D. 

For a complete listing of all entity boards, please see the Summa Health System 2012 annual report.