Executive Leadership

Richard I. Feldman
President and CEO

Mr. Feldman is a recognized leader and innovator in behavioral healthcare. During his career he has worked with over 200 hospitals and healthcare systems to identify behavioral health service lines that meet both the community and business missions of the organization, including the population health strategy that integrates behavioral health with primary care.

Mr. Feldman joined Diamond in 2014 as Executive Vice President for Business Development.  He holds a Master of Business Administration from The University of Pittsburgh, a Master of Social Work from Temple University and a Bachelor of Arts in International Affairs from The George Washington University.


James M. Stevenson, MD
Chief Medical Officer

Dr. Stevenson served as Professor and Chair, West Virginia School of Medicine, Department of Behavioral Medicine and Psychiatry, for 35 years, the longest-standing such tenure for a school of medicine in the United States. He is a Fellow of the American Psychiatric Association and was named an Exemplary Psychiatrist by the National Alliance for the Mentally Ill.

Dr. Stevenson is the author or co-author of numerous books, chapters and professional publications, and has served as Principal Investigator for federally funded and private research studies and clinical trials.

Chief Ethics and Compliance Officer

Ms. Stewart has extensive experience in healthcare compliance, regulatory standards, audits and compliance program implementation. During her tenure as Assistant Vice President, Hospital Compliance for MedStar Health, she was responsible for the implementation and oversight of MedStar’s compliance and privacy programs for the organization’s acute care hospitals and the MedStar Health Research Institute.

Ms. Stewart holds a Juris Doctorate from Oklahoma City University School of Law, a Master of Business Administration with a concentration in Health Services Management from Oklahoma Christian University and a Bachelor of Arts from James Madison University. She is also Certified in Healthcare Compliance (CHC) and Certified in Healthcare Research Compliance (CHRC) from the Health Care Compliance Association.

William A. Carpenter
Executive Vice President and Chief Financial Officer

Mr. Carpenter's healthcare financial management experience spans both investor owned and not-for-profit healthcare systems, including a long tenure as Senior Vice President-Chief Financial Officer of Sentara Obici Health System.

Mr. Carpenter is a Certified Public Accountant, received his Master of Business Administration in Accounting from Tulane Graduate School of Business, and holds a Bachelor degree in Mathematics from Vanderbilt University.

Richard V. Woodard
Executive Vice President Operations

Mr. Woodard has served as CEO of three psychiatric hospitals and as group administrator for Virginia Charter Medical Corporation. He also was CEO of Charter Westbrook Hospital, a 198-bed psychiatric hospital in Richmond, Virginia. Mr. Woodard's expertise is in the development and management of psychiatric and substance abuse programs.

He holds a Master of Business Administration from Wake Forest University and Bachelor in Economics from Guilford College. He has held offices in The National Association of Private Psychiatric Hospitals and the Hospital Associations of Virginia and North Carolina. He served as chairman of the public relations committee for the NAPPH, chairman of the VHA Mental Health Council and served on the Board of Directors of the Virginia Hospital Association.

Stephen J. Enright
Chief Administrative Officer and Chief Human Resources Officer

Mr. Enright is an experienced human resources executive with a reputation as a strategic thinker with strong execution capabilities. In his role at Steward Health Care in Massachusetts, he was responsible for all Human Resources Hospital Operations, including eight hospitals and four other entities, Labor and Employee Relations, Staffing, Compensation, Benefits, Acquisitions and Interpreter Services.

He is a graduate of the University of Connecticut School of Business with a Master of Business Administration from the University of Baltimore. He earned the Certificate in Strategic Human Resources Management from the Cornell ILR School. He also holds a SPHR certification from the Society for Human Resource Management.

Karen Vergano
Vice President Clinical Services and Program Quality

Ms. Vergano is an experienced behavioral health executive with progressive leadership and management experience. Ms. Vergano has held numerous senior nursing management positions, including Director of Behavioral Health Nursing and Director of Nursing Education and Research at Mount Sinai St. Luke’s and Roosevelt Hospital Center in New York City, and Patient Care Director of Behavioral Health at Bon Secours Baltimore Health System.

Ms. Vergano is certified from the American Nurses Credentialing Association as an Advanced Practice Nurse in Adult Mental Health. She holds a Master of Science Degree in Mental Health Advanced Practice Nursing from the University of Pennsylvania in Philadelphia and also has her Legal Nurse Consultant Certification.