Executive Leadership Team

David T. Vandewater

Chief Executive Officer
David T. Vandewater


David T. Vandewater is a distinguished healthcare executive with more than 35 years of healthcare leadership experience. He has focused his career on building value by meeting the needs of healthcare consumers.

Mr. Vandewater began his executive leadership career in healthcare as CEO of Vista Hills Medical Center in El Paso, Texas. In the years since, he has spent time in significant leadership roles while growing some of the healthcare industry’s largest and most successful companies, including Republic Health Corp., USP International, HCA Healthcare and Ardent Health. He spent two decades as President and CEO of Ardent, previously known as Behavioral Healthcare Corp., where he grew revenues from $300 million to $4.4 billion.

Mr. Vandewater is a past chairman of the Federation of American Hospitals (FAH), has served in prominent service roles with the American Hospital Association (AHA), and is a past board member of the Boys and Girls Clubs of Middle Tennessee. He has been recognized by Modern Healthcare as one of the 100 Most Influential People in Healthcare.

A native of El Dorado, Arkansas, Mr. Vandewater holds a Bachelor of Science degree from Henderson State University and a master’s degree in healthcare administration from the University of Houston Clear Lake.

Paul Gilbert, Chief Legal Counsel

Chief Financial Officer
Crissy Carlisle


Crissy Carlisle serves as Chief Financial Officer for Summit BHC, bringing extensive leadership experience in financial operations, accounting, and investor relations. Prior to joining Summit, Crissy was the CFO of Enhabit Home Health & Hospice, where she led accounting and financial teams, overseeing month-end close processes, SEC reporting, treasury, risk and insurance, taxes, and internal audit. Before that, she spent 16 years at Encompass Health Corporation as Chief Investor Relations Officer and Vice President of Financial Reporting. She began her career at PricewaterhouseCoopers LLP spending seven years in their audit practice and three years in their corporate recovery practice. Crissy is a Certified Public Accountant and holds an accounting degree from the University of Alabama and a Master of Business Administration from Duke University. Her expertise in financial management and strategic leadership supports Summit’s continued growth and operational excellence.

Jeremy Musher, MD

Chief Medical Officer
Jeremy S. Musher, MD, DLFAPA


Jeremy S. Musher, MD, has over 30 years of experience in the psychiatric health care industry, and has held senior leadership positions in military, academic, not-for-profit, and for-profit settings. Prior to joining Summit BHC, Dr. Musher served as Chief Behavioral Medical Officer at Lifepoint Health and Chief Medical and Clinical officer for Springstone, a national behavioral health provider before it was acquired by Lifepoint. Prior to this, he provided consultation to healthcare organizations and leaders in a variety of settings through his consulting company, Musher Group, LLC, and provided medical leadership to one of the busiest psychiatric only emergency services in the country at Western Psychiatric Institute and Clinic at the University of Pittsburgh. He previously served as Vice Chairman of the Department of Neuropsychiatry and Behavioral Sciences and Associate Dean for Student Affairs at the University of South Carolina; Chairman of the Department of Psychiatry, Medical Director for the Mercy Center for Chemical Dependency Services, and Vice President of Mercy Hospital for the Pittsburgh Mercy Health System; and Owner and Medical Director for Vista Behavioral Health in Pittsburgh. Dr. Musher also represents the American Psychiatric Association as Advisor to both the AMA CPT Panel and to the AMA RVS Update Committee (RUC). Dr. Musher obtained his medical degree from the University of Maryland and completed his residency in Psychiatry at the National Naval Medical Center in Bethesda, Maryland. He also served as a Lt. Commander in the US Navy.

Paul Gilbert, Chief Legal Counsel

Chief Legal Officer
Paul Gilbert


Paul Gilbert, Summit BHC’s Chief Legal Officer, oversees legal and compliance matters, bringing extensive experience to the organization. Previously, he held executive roles including Executive Vice President, Chief Legal Officer, and Secretary for Rite Aid, partner at Epstein Becker & Green law firm and Executive Vice President, Chief Legal Officer, and Corporate Governance Officer at LifePoint.  Gilbert holds degrees from Vanderbilt University School of Law and Wake Forest University and is a Nashville Health Care Council Fellow.

Kim Brady - Senior Vice President of Human Resources

Chief Human Resources Officer
Kim Brady


Kim Brady is the Chief Human Resources Officer of Summit BHC. Ms. Brady has more than 23 years of behavioral healthcare experience and was previously Senior Vice President of Human Resources for Summit. Prior to joining Summit, Ms. Brady was the Chief Human Resources Officer for Acadia Healthcare where she oversaw the human resources and payroll functions. She was with Psychiatric Solutions prior to joining Acadia in 2011.

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