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Dr. Neil R. Wetzig
President of the Permanent Council
AO; MBBS; FRACS; FRCS(Eng); FCS(ECSA). Australian General Surgeon and surgical training advisor at HEAL Africa, Goma, DRC.
Leadership
Board of Directors
Global leaders in surgery, public health, finance, and policy who guide the strategy and governance of the G4 Alliance.
Permanent Council Officers
4 officersRH
Dr. Richard Henker
Vice President of the Permanent Council
PhD, CRNA, FAANA, FAAN. Professor at the University of Pittsburgh School of Nursing, Department of Nurse Anesthesia.
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Dr. Kerry Vaughan
Secretary of the Permanent Council
Global surgery advocate, pediatric neurosurgeon and assistant professor of neurosurgery at Barrow Neurological Institute.
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Dr. Bisola Onajin-Obembe
Immediate Past President of the Permanent Council
MBBS, FWACS, MBA, PhD. Consultant Anaesthesiologist, University of Port Harcourt Teaching Hospital, Nigeria.
Board of Directors
14 membersGR
Gail Rosseau
Chairman, Board of Directors
Clinical Professor of Neurosurgery at George Washington University; Adjunct Professor of Global Neurosurgery at Barrow Neurological Institute.
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Daniel Peterson
Vice Chairman, Board of Directors
Retired principal of ZS Associates; CFO/COO of Loyola Academy. Joined the G4 Alliance Board in 2019.
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Stephanie Murphy
Treasurer, Board of Directors
Significant experience in accounting and nonprofit financial management; joined the Board in May 2025.
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Charity Chenge
Secretary, Board of Directors
MBBS, MPH, MSc, DrPH. Public Health Specialist and Health Systems Strategist with 25 years of progressive global experience.
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Dr. Evelyn Abayaah-Issah
Member, Board of Directors
Distinguished global healthcare leader with 20+ years in business development, strategy and international market expansion.
EA
Elizabeth Ashbourne
Member, Board of Directors
Executive Director of PQMD; 17 years at the World Bank in private sector partnerships, global public health and health information.
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Ruben Ayala
Member, Board of Directors
M.D., MSC. Public health physician from Panama with 30+ years in advocacy and humanitarian assistance; Operation Smile CPAO.
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Dr. Alfredo Enrique Borrero Vega
Member, Board of Directors
Ecuadorian neurosurgeon and politician with training from Harvard, Berlin and the Catholic University of Cuenca.
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W. Kenneth Davis, Jr.
Member, Board of Directors
Leading healthcare attorney ranked by Chambers USA; trusted legal advisor on transactions and regulatory matters.
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Laura Hoemeke
Member, Board of Directors
Global health consultant with 15 years in Francophone Africa; president of Hoemeke Global; adjunct professor at UNC Gillings.
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Dr. Tariq Khan Hashim
Member, Board of Directors
Consultant Neurosurgeon at Northwest General Hospital and Research Center, Peshawar, specializing in skull base surgery.
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Jimmy Kolker
Member, Board of Directors
Senior Advisor to the Bureau of Global Health Security and Diplomacy at the U.S. Department of State.
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Dr. Chad Perlyn
Member, Board of Directors
Executive Vice President and Chief Medical Officer at Nova Southeastern University; professor at NSU's Patel College of Allopathic Medicine.
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John B. Sampson
Member, Board of Directors
Critical care anesthesiologist at Johns Hopkins; Director of JHU-GAPP; founding president of the Institute of Global Perioperative Care.