David A. Sharar, Ph.D.
Chief Executive Officer
Puneet Leekha, J.D.
Chief Operating Officer and General Counsel
Karen Rettick, MBA
Chief Financial Officer
Matt Mollenhauer, MS, LCPC
Chief Clinical Officer
Victoria Brockhouse, D.O.
Medical Director, Chestnut Family Health Center (Central Region)
Kevin Garner, MD
Medical Director, Chestnut Family Health Center (Southern Region)
Darrell Rust, D.O.
Medical Director, Substance Use Disorder Program
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
Director of Quality and Compliance
Director of Management Information Systems
Dietra D. Kulicke, CHCEF
Vice President of Integrated Care (Central Region)
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