Leadership Team

Pine Rest is an independent, community-based nonprofit organization governed by a volunteer Board of Directors, a diverse group of community members representing business, industry, legal and justice system, providers, payers and more.  

Pine Rest Board of Directors 2013-2014 Board Officers

Ginny VanderHart, Chairperson

Wes Granberg-Michaelson, Vice Chairperson

Jon Swets, Treasurer

Nick Kroeze, Secretary 


Board Staff Members

Mark Eastburg, Ph.D., President and CEO

Alan Armstrong, M.D., Chief Medical Officer

Valeria Mathis-Allen, M.D., President of the Medical Staff 


Board Members

Randall Christenson, M.D.

Sylvia Daining

Honorable Patricia Gardner

Art Jongsma

Ron Kool

Stephanie Leonardos

John Lichtenberg

Glenn Mitcham

Victoria Proctor-Gibbs

Honorable Joseph Scoville

Joe Sweeney

Kathleen Vogelsang

Gary Werkman


Management leadership and daily operational oversight is provided by the Pine Rest Executive Council, comprised of the following individuals:

  • Mark Eastburg, PhD, President & Chief Executive Officer
  • Bob Nykamp, MA, Vice President and Chief Operating Officer
  • Alan Armstrong, MD, Vice President and Chief Medical Officer
  • Paul Karsten, MA, Vice President of Finance & Chief Financial Officer
  • Tom Elzinga, BA, Vice President of General Services
  • Valerie Mathis-Allen, MD, Medical Staff President 
  • Harmony Gould, MBA, Interim Corporate Director of Residential Services
  • Scott Wagner, MSW, MBA, Vice President of Behavioral Health Solutions
  • Carol VanderWal, MPH, Director of Business Development and Grant Management
  • Bill Johnson, MS, CHCIO, Director of Information Services
  • Scott Halstead, PhD, Vice President of Professional Practice Group
  • Susan Langeland, MBA, Corporate Director of Hospital Based Services
  • Teresa Newmarch, MPA, CFRE, Executive Director of Pine Rest Foundation
  • James Rose, MS, MA, Director of Marketing & Communications
  • Kelly Domagala, BSN, MSN, CENP, RN-BC, Chief Nurse Executive of Hospital Based Services
  • Andrew George, MS, Director of Human Resources
  • Bob VandePol, MSW, Executive Director of Employee and Church Assistance Programs

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