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Geisinger Leadership

David T. Feinberg, MD, MBADavid T. Feinberg, MD, MBA
President and Chief Executive Officer
Geisinger Health System

Dr. David T. Feinberg is president and chief executive officer of Geisinger Health System, one of the nation’s largest health services organization known for reinventing medical care. Geisinger is an integrated healthcare system consisting of 12 hospital campuses, two research centers, the Geisinger Commonwealth School of Medicine, over 30,000 employees, 1,600 employed physicians, 420 residents and fellows, and a 551,000-member health plan, all serving and caring for more than 3 million residents in Pennsylvania and New Jersey.

A longtime champion of the patient experience, Dr. Feinberg has caught the industry’s attention by introducing Geisinger’s latest evolution of its renowned ProvenCare® portfolio -ProvenExperience® - which allows patients to request a refund based on the outcome of their patient experiences.

Triple-board certified by the American Board of Psychiatry and Neurology in child, adolescent and addiction psychiatry, Dr. Feinberg earned his undergraduate degree at the University of California, Berkeley, and graduated with distinction from the University of Health Sciences/Chicago Medical School. He earned a master’s of business administration from Pepperdine University.

Named to the 100 Most Influential People in Healthcare as well as the Top Ten of the 50 Most Influential Physician Executives and Leaders by Modern Healthcare, Dr. Feinberg's numerous awards and recognitions include Alpha Omega Alpha Medical Honor Society; Medical Center CEO of the Year Healthcare Leadership Award; Leadership, Vision and Commitment Honoree by the National Health Foundation; Distinguished Fellow of the American Psychiatric Association; and the Cancro Academic Leadership Award from the American Academy of Child & Adolescent Psychiatry. Dr. Feinberg is a well-known national speaker, especially on the subject of patient experience, and has published numerous articles.

Prior to joining Geisinger, Dr. Feinberg served as CEO of UCLA’s hospitals and associate vice chancellor of UCLA Health Sciences, as well as president of UCLA Health System.


Jaewon Ryu, MD, JDJaewon Ryu, MD, JD, is Geisinger’s executive vice president and chief medical officer. A Diplomate of the American Board of Emergency Medicine, Dr. Ryu previously served as President of Integrated Care Delivery for Humana in Louisville, Kentucky, where he was responsible for Humana’s owned and joint ventured care delivery practices, as well as Transcend, a management services organization assisting affiliated practices to adopt population health under value-based reimbursement.

Prior to Humana, he served as the Chief Medical Officer at the University of Illinois Hospital & Health Sciences System in Chicago. Dr. Ryu has also held various leadership roles at Kaiser-Permanente, the Centers for Medicare and Medicaid Services (CMS), and as a White House Fellow at the Department of Veterans Affairs. He was also a practicing corporate healthcare attorney in the Los Angeles office of the firm McDermott, Will & Emery.

Dr. Ryu has served in various advisory roles including board positions with MCCI and JenCare, both clinic/MSO organizations managing the financing and delivery of care for Medicare Advantage members under full-risk payment models. He has also served on the board of directors of the White House Fellows Foundation and Association.

He earned his undergraduate degree from Yale University and his medical and law degrees from the University of Chicago. Dr. Ryu completed his internship and residency training in emergency medicine at Harbor-UCLA Medical Center.


David Tilton, MBADavid Tilton, MBA, FACHE, is executive vice president and chief integration officer at Geisinger Health System. In this role, he leads performance excellence efforts and develops and assists with key external relationships as Geisinger furthers its reputation as a national leader in healthcare innovation.

Mr. Tilton retired as president and chief executive officer of AtlantiCare – A member of Geisinger Health System on June 30, 2016 before beginning his new Geisinger Health System role. He joined AtlantiCare in 1987 and was named president of both AtlantiCare Regional Medical Center campuses in 1993. Instrumental in the development of AtlantiCare, a regional health system, he was named executive vice president and chief operating officer in 2005 and president and CEO in 2007. During his leadership tenure, AtlantiCare reorganized its structure, governance, and organizational mindset around population health management. A highlight of his career is the Malcolm Baldrige National Quality Award AtlantiCare earned in 2009.

He is Chair of the Board of the Health Research & Educational Trust, an affiliate of the American Hospital Association, and has been included multiple times in the Becker’s Hospital Review lists of Hospital and Health System CEOs to Know. A Fellow of the American College of Healthcare Executives, Mr. Tilton earned his undergraduate degree at Rider University and a Master of Business Administration at Rutgers University.


Steven J. Scheinman, MDSteven J. Scheinman, MD, is president and dean of the Geisinger Commonwealth School of Medicine and Geisinger’s chief academic officer and executive vice president. He was formerly professor of medicine and pharmacology at SUNY Upstate Medical University, where he served for eight years as senior vice president and dean of the College of Medicine. Board-certified in internal medicine and nephrology, Dr. Scheinman has earned international prominence for his research into the genetics of inherited kidney diseases and kidney stones. He has published more than 90 peer-reviewed articles, reviews, and book chapters on topics related to kidney disease and genetics.

Dr. Scheinman holds an A.B., summa cum laude, from Amherst College in Massachusetts and received his medical degree with honors from Yale University. He completed his residency in internal medicine at Yale-New Haven Hospital; was chief resident in internal medicine at Upstate; and completed fellowships in nephrology at Upstate Medical Center and Yale-New Haven Hospital. He is a member of Phi Beta Kappa and Alpha Omega Alpha and was awarded the SUNY Chancellor’s Research Leadership Award and the Children’s Advocacy Center of NEPA Child Advocate of the Year Award.

Dr. Scheinman has served on review boards for the NIH, American Heart Association, American Society of Nephrology, American Federation for Clinical/Medical Research, and National Kidney Foundation, among others. He is a fellow of the American College of Physicians and of the American Society of Nephrology, and is an elected member of the American Society for Clinical Investigation. He currently serves on the board of the National Resident Match Program and on the board’s executive committee.


Dominic Moffa, MBADominic Moffa, MBA, FACHE, is Geisinger’s executive vice president and chief strategy officer, responsible for strategic planning, business development, corporate communications, government relations, and mergers and acquisitions.

He transitioned to his system-wide role from AtlantiCare – A Member of Geisinger Health System where he served in numerous leadership positions since 1986, including senior vice president, administration, and most recently as executive vice president. Mr. Moffa was responsible for system level strategic growth at AtlantiCare and played an instrumental role in the organization earning the prestigious Malcolm Baldrige National Quality Award in 2009.

Prior to joining AtlantiCare, he was vice president of health facilities, assistant vice president for hospital affairs, and planning coordinator for West Jersey Health System (now Virtua Health) in Camden.

Mr. Moffa earned his undergraduate degree at St. Joseph’s University in Philadelphia and
a Master of Business Administration at Temple University. He is a past Fellow of the Health Care Advisory Board Executive Fellowship Program and graduate of the American Hospital Association (AHA) Health Care Transformation Fellowship Class. A member of the AHA Society for Healthcare Strategy and Market Development, he is a Fellow of the American College of Healthcare Executives.


Lynn Miller, MBALynn Miller, MBA, is executive vice president, clinical operations, for Geisinger Health System. Ms. Miller is responsible for the operations of the health system's $2.7 billion clinical enterprise which includes seven hospitals; a 1,750-member multispecialty group practice including physicians, researchers and advanced practitioners; 410 residents and fellows; and 83 primary and specialty clinic sites.

She has been with Geisinger since 1989. Ms. Miller previously served as chief administrative officer of Geisinger Medical Center, the system's tertiary/quaternary care hospital in Danville, PA. During her tenure, she developed programs that produced a 20 percent improvement in operating margin; directed the planning and construction of a $100 million addition incorporating a new acuity adaptable mode of care; implemented a hospital inpatient electronic medical record and achieved Magnet status, a prestigious honor earned by only seven percent of the nation's hospitals.

In addition to hospital operations, Ms. Miller has experience in hospital-based human resources, finance, business office management and information technology, as well as home health and long-term care environments.

Ms. Miller serves on the boards of the Danville Area Chapter of the American Red Cross and the Danville Child Development Center. She is chair of the governance committee for the Geisinger/HealthSouth joint venture.

Ms. Miller has a master of business administration degree from Loyola College and a bachelor of science in psychology from Elizabethtown College.


David Ledbetter, PhDDavid H. Ledbetter, PhD, FACMG, is executive vice president and chief scientific officer at Geisinger Health System. He came to Geisinger from Atlanta's Emory University School of Medicine, where he was the Robert W. Woodruff Professor and director of the Division of Medical Genetics in the Department of Human Genetics.

Dr. Ledbetter previously held academic and leadership positions at the University of Chicago, the National Center for Human Genome Research (now NHGRI) at NIH and Baylor College of Medicine. He is a graduate of Tulane University and earned his doctorate at the University of Texas-Austin.

After his early discovery of the genetic cause of Prader-Willi syndrome and Miller-Dieker syndrome, Dr. Ledbetter has focused his research efforts on discovering the underlying etiology of childhood developmental disabilities such as autism. He has been a participant and leader in the Human Genome Project since its inception in 1990 with a focus on the translation of new genomics technologies into clinically useful genetic tests for early diagnosis, intervention and prevention of disease.

His current research interest includes leveraging the massive amount of genomics data generated during routine patient care for knowledge generation and integration of this information into electronic health records in a clinically useful manner.


Kevin Brennan, MBAKevin Brennan, CPA, FHFMA, is executive vice president of finance, chief financial officer of Geisinger Health System and treasurer of the Foundation. As chief financial officer, he is responsible for all of the system financial operations and directs key functions including: treasury management, revenue cycle, financial reporting, budgeting, third party contracting, compliance, payroll, accounts payable, tax, decision support, mergers and acquisitions and financial systems, including workforce management.

From 1991 through 1995, Mr. Brennan served as the regional vice president, finance and vice president, managed care with the Franciscan Health System with responsibilities covering eight hospitals and affiliates in the mid-Atlantic region. From 1981 through 1991, Mr. Brennan served in chief financial officer roles at teaching hospitals, primarily in multi-entity systems within the mid-Atlantic region.

Mr. Brennan holds a master of business administration degree in healthcare administration and a bachelor of science degree in business administration, both from LaSalle University in Philadelphia. He has been a certified public accountant since 1979 and is a member of the American Institute of Certified Public Accountants and the Pennsylvania Institute of Certified Public Accountants. He is a fellow of the Healthcare Financial Management Association (HFMA) since 1992 and also serves on the National Board of Directors of HFMA.


Steven YousoSteven R. Youso became president and chief executive officer of Geisinger Health Plan, Geisinger Indemnity Insurance Company (GIIC) and Geisinger Choice, collectively referred to as Geisinger Health Plans on Aug. 4, 2014.

The health plans are among Geisinger Health System's core businesses and have been a key contributor to its success. The three companies combined have approximately 480,000 members in Pennsylvania, Delaware, Maine, New Jersey and West Virginia. The health plans have more than $2.1 billion in annual revenue and more than 1,000 employees. Geisinger Health Plan is a not-for-profit health maintenance organization. Third-party administration services are provided through GIIC. PPO plans are offered through GQO.

Mr. Youso brings a unique perspective to Geisinger Health Plan having more than 35 years of diverse experience in both the financing and delivery of healthcare.

Prior to joining Geisinger Health Plan, he most recently served as the chief administrative officer at Security Health Plan, a 225,000-member health plan in Wisconsin. During his tenure at Security Health Plan, Mr. Youso focused on the "triple aim" objectives of improving the healthcare experience for patients (including quality and satisfaction); improving the health of populations; and reducing the per capita cost of healthcare. As a result, Security Health Plan was in the top four percent of all U.S. health plans according to the National Committee for Quality Assurance. Mr. Youso also served in various roles at Blue Cross and Blue Shield of Minnesota including vice president of sales and community accounts and vice president of health system development.

Mr. Youso also has extensive experience on the clinical side. He began his career as the assistant administrator at Ladd Memorial Hospital & Nursing Home in Wisconsin. He also was the administrator for Gateway Family Health Clinic, branch clinic director for Beta Medical Management and administrator of the River Valley Clinic, all in Minnesota.

Mr. Youso is a graduate of Concordia College in Moorhead, Minn., with a bachelor of arts degree in business and healthcare administration. He is an active board member and former treasurer of the Alliance of Community Health Plans, Washington, D.C. He is a past president and executive committee member of the Wisconsin Association of Health Plans and is active in several community organizations.


Susan Robel, RNSusan M. Robel, RN, BSN, MHA, NEA-BC, is executive vice president, system chief nursing officer and system chief patient experience officer.

Ms. Robel began her professional career at Geisinger in 1983 as a staff nurse in psychiatric and medical/surgical nursing. From 1986-1995, Ms. Robel held various middle management positions in the medical/surgical units and psychiatric units at Geisinger Medical Center (GMC). From there, Ms. Robel moved on in July 1996 to become a nursing resource engineering facilitator for the "Geisinger 2000" project, focusing on the development and implementation of a patient focused care inpatient care delivery model. During this time, nursing implemented systems that would position nursing for real-time productivity and nursing care hours training. In March 1998, Ms. Robel assumed the role of assistant vice president, nursing services, where she assisted the chief nursing officer in the successful implementation of care delivery and productivity systems. In August 2000, she was promoted to vice president, nursing at GMC where she became responsible for nursing professional standards and patient care in the north central region of the health system and in July 2001, Ms. Robel's role was expanded to chief administrative officer, GMC and system chief nursing officer.

Today, she collaborates with the executive vice president, chief medical officer and chief operating officer of the clinical enterprise to lead the clinical enterprise at GMC and for the entire Geisinger Health System and integrate best practice nursing standards across the system. She co-leads the patient experience efforts for the health system, partnering with campus leaders, nurse leaders and other colleagues to outperform patient experience benchmarks and develop/enhance the patient experience cultures.

A member of the board of trustees of the Nightingale Awards of Pennsylvania and the Pennsylvania Action Coalition which focuses on the future of nursing in Pennsylvania, Ms. Robel actively participates in networking and events through the American Nurses Association, Pennsylvania Organization of Nurse Leaders, American Organization of Nurse Leaders, Hospital and Health System Association of Pennsylvania and the Pennsylvania State Nurses Association.

Ms. Robel holds a diploma in nursing from the Pottsville Hospital School of Nursing as well as a bachelor of science in nursing degree from Penn State University. She also earned a master's degree in health administration from Wilkes University. Ms. Robel is board certified by the American Nurse Credentialing Center (ANCC) as an NE-BC in 2008 and NEA-BC in 2009. She is currently scheduled to complete her doctorate in business administration through Walden University in 2016.


Amy BrayfordAmy Brayford is the executive vice president, chief human resource officer for the Geisinger Health System. She has been a member of the Geisinger HR team since 1997, serving in a number of human resource capacities including generalist, operations manager, associate vice president and vice president. In addition to human resources, Amy also leads the areas of employee health and wellness and occupational medicine.

A graduate of Bloomsburg University, she earned her master's degree at Ithaca College in Ithaca, N.Y. Prior to joining Geisinger, she served as a quality coordinator at the Pennsylvania Department of Transportation, adult education instructor at the Schuylkill Intermediate Unit and adjunct professor at Harrisburg Area Community College. Amy is a member of the Bloomsburg University College of Business Advisory Board.