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Board and Leadership

Chestnut Health Systems' Board of Directors

  • Mary Ann Webb, Chair
  • Laura Haas, Vice Chair
  • James Foley, Secretary
  • Eliazar Mendiola, Treasurer
  • Angela Allen
  • Vic Armstrong, Jr.
  • Al Bowman
  • Patrick Busch
  • Don Hammer
  • Judy Neubrander
  • Dennis Wilmsmeyer
  • George Wood


Chestnut Family Health Center's Executive Leadership

  • David A. Sharar, Ph.D., Chief Executive Officer
  • Puneet Leekha, J.D., Chief Operating Officer and General Counsel
  • Karen S. Rettick, MBA, Chief Financial Officer
  • Matt Mollenhauer, MS, LCPC, Chief Medical Officer
  • Victoria Brockhouse, D.O., Medical Director
  • Darrell Rust, D.O. Medical Director of SUD
  • Mark Campbell, Director of Human Resources
  • Randy Dicken, CFM, Director of Facilities
  • Amy Gibbar, MA, Vice President of Integrated Care (Southern Region)
  • Joan Hartman, M.Ed., Vice President of Strategy and Innovation (Central Region)
  • Laurie Holdener, MPA, Corporate Director of Quality and Compliance
  • Jeffrey Koski, Director of Management Information Systems
  • Dietra D. Kulicke, CHCEF, Vice President of Integrated Care (Central Region)
  • Lori Laughlin, Director of Marketing and Communications
  • Orville Mercer, MSW, Vice President of Strategy and Innovation (Southern Region)
  • Christy Scott, Ph.D., Director of Lighthouse Institute
  • Jim Wallis, MAPC, Director of Business Development


Chestnut Family Health Center’s Management Team

  • Victoria Brockhouse, D.O., Medical Director
  • Dietra Kulicke, Vice President of Integrated Care (Central Region)
  • Amy Gibbar, MA, Vice President of Integrated Care (Southern Region)
  • Meg Backas, Behavioral Health Coordinator
  • Chantel Bailey, Granite City Business Manager
  • Tory Dahmm, CFHC Quality Improvement Manager
  • Pam Kouri, Integrated Health Care Coordinator
  • Tammy Osborn, Bloomington Nurse Coordinator
  • Stephanie Paxton, Bloomington Business Manager
  • Bobbie Tetidrick, Granite City Nurse Coordinator



If you feel that you have a medical emergency, please call 911 or go to one of the local hospital Emergency Departments.