Leadership Team - Lebanon VA Medical Center
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Lebanon VA Medical Center


Leadership Team

Robert W Callahan, Director

Robert W Callahan | 717-272-6621 Ext. 5904


Robert (Bob) W. Callahan Jr. was appointed to the Senior Executive Service as Director of the Lebanon VA Medical Center effective November 11, 2007. Mr. Callahan was born and raised on a small family farm in northeastern Maryland. He holds an Associate degree from Harford Community College, a Bachelor's degree from St. Mary's College in Maryland and graduate course work at both Indiana University of Pennsylvania and Central Michigan University. He is a graduate of VA's Executive Career Field Training Program (ECF) and Healthcare Leadership Institute. Mr. Callahan began his VA career in 1993 as an Occupational Safety & Health Manager at the Lebanon VA Medical Center. In 1997, Mr. Callahan became the Facility Manager at the Butler, PA, VAMC and in December 2000 he moved to the three division VA Pittsburgh Healthcare System (VAPHS) as the Vice President for Facility Management. In October 2003, he became the Associate Medical Center Director for Site Management at VAPHS, and was responsible for day-to-day operations of 3,000 employees serving over 57,000 veterans. Mr. Callahan's diverse experience also includes serving as an Adjutant Professor at Millersville University, a program manager within the Department of Defense, and as a researcher in the chemical industry in the late 1980s. Nationally, Mr. Callahan served on numerous administrative taskforces and work groups. He brings with him a wealth of experience in strategic planning, tactical operations, organizational and healthcare redesign and is active in mentoring future VA leaders. Mr. Callahan is an advocate for all veterans and his mantra is "Excellence in All". He believes as civil servants we are called to a higher purpose than ourselves, values honesty, integrity creativity and loyalty and is personally committed to serving America's heroes. He is very interested in open communication, employee development and ways to reward and motivate employees.

Jaconda Lightburn, Associate Director

Jaconda Lightburn | 717-272-6621

Associate Director

Jaconda Lightburn, Ph.D., was appointed as the associate director/chief operating officer at Lebanon VA Medical Center effective January 17, 2021. Prior to this assignment, Lightburn was the assistant medical center director at the Veterans Health System of the Ozarks in Fayetteville, Arkansas and led the health care system’s response to the national pandemic. Before transferring to Fayetteville, she had multiple senior leadership experiences at several VA healthcare facilities including acting assistant director at the Washington DC Veterans Affairs Medical Center and acting assistant/associate director at the Charleston VA Medical Center, South Carolina. She began her VA career as the chief of safety, and green environmental management system manager at the Charleston VA Medical Center. Lightburn is a retired Veteran with over 24 years of honorable and distinguished service. She began her service as a bioenvironmental engineering technician for the Air Force, performing industrial hygiene and environmental management assignments. After eight years of active duty, she joined USAF Reserves and began working at the Medical University of South Carolina (MUSC) as a faculty instructor, teaching environmental and safety courses and performing environmental research in medical facilities throughout South Carolina. Her experience also includes being the marine/environmental education coordinator for the South Carolina Department of Natural Resources. Following her work with MUSC, she transferred to the Air Force as a civil servant, where she worked as a safety manager/environmental scientist managing the solid waste program, a qualified recycling program, the environmental audit program and green procurement prior to joining the VA. She is a native of Virginia, holds a doctorate in health administration, Master of Science in environmental pollution control from Pennsylvania State University, a bachelor’s degree in vocational education and two associate degrees. Lightburn is also a graduate of VA’s Healthcare Leadership Development Program, USA Executive Potential Program, VA certified Mentor program and she is a member of the American College of Healthcare Executives.

Stuart A Roop, Chief of Staff

Stuart A Roop | 717-272-6621

Chief of Staff

Stuart A. Roop, MD, FCCP, was appointed the Chief of Staff on April 29, 2018 after completing 30 years of distinguished service in the United States Army. Before joining the Lebanon VA Medical Center, Dr. Roop served as Interim Chief of Staff and Deputy Director, National Capital Region Medical Directorate from 2016-2017. He also served as the Director for Medical Services at Walter Reed National Military Medical Center from 2013 to 2016. He completed two combat tours of duty in Iraq with the 31st Combat Support Hospital (2004) and the 86th Combat Support Hospital (2010). Dr. Roop is an Associate Professor, Department of Medicine at the Uniformed Services University (USU), where he previously served as Associate Chair, Department of Medicine from 2012-2016. He is a Fellow of both the American College of Physicians and the American College of Chest Physicians. Additionally, he is board certified in Internal Medicine, Pulmonary Medicine and Critical Care Medicine. Dr. Roop completed his Internal Medicine residency and Pulmonary Critical Care Medicine fellowship in the National Capital Consortium at Walter Reed Army Medical Center. He received his Doctorate of Medicine degree from the USU in 1996. He was also a distinguished graduate of the United States Military Academy at West Point (Class of ’88) with a degree in Aerospace Engineering. Before his branch transfer to the Medical Corps, Roop was a Field Artillery Officer. Dr. Roop is a member of the Phi Kappa Phi Honor Society, Alpha Omega Alpha Honor Medical Society, and Order of Military Medical Merit. Along with numerous awards for teaching and mentorship, he received the John F. Mayer Award for Excellence from the Department of Medicine at USU, and the Army Medical Department “A” Proficiency Designator in Pulmonary Medicine. In 2015 he was recognized with the Distinguished Alumni Award for Outstanding Service to Mankind by the Lampeter-Strasburg School District in Lancaster, Pennsylvania.

Margaret G. Wilson, MSN, RN, Associate Director for Patient Care Services

Margaret G. Wilson, MSN, RN | 717-272-6621 Ext. 5223

Associate Director for Patient Care Services

Ms. Wilson brings to this position more than 30 years of comprehensive senior management experience in a large health care system. She began her professional career as a Navy Nurse Corps Officer. Ms. Wilson’s initial assignment was Naval Hospital Portsmouth, Virginia, and then progressed through various assignments and duty stations. Her administrative experiences have included Nurse Manager, Family Practice Clinics, Quantico Marine Corps Base; Department Head, Perioperative Services at the Naval Hospital, Charleston, SC; Department Head at Naval Weapons Station Clinic in Goose Creek, SC; Director, Ancillary Services at Naval Ambulatory Care Clinic in Newport, RI. Ms. Wilson’s last position on active duty was the first Executive Officer, Naval Health Care New England, and Newport, RI. She retired in 2005 after more the 29 years of service at the rank of Captain. Ms. Wilson began her VA career in 2008 where her most recent position was the Associate Chief Nursing Service for Acute Care at Lebanon VA Medical Center. Ms. Wilson was selected as the Associate Director, Patient Care Services, in June 2010. Ms. Wilson graduated from Lancaster General School of Nursing, Lancaster, PA. She completed her Bachelor of Science in Nursing at George Mason University, Fairfax, VA, graduating with Distinction. She completed her education by attaining her Master’s degree in Nursing Administration at the Medical University of South Carolina, Charleston, SC.