2025
Board of
Directors
Our Mission
Welcoming FY26
Board Members
George Mark Children’s House provides compassionate care to enhance 
quality of life for children with serious medical conditions and for their families.
Barry Slivinsky
Vice President, Tax, Retired
Adobe
Audrey Foster-Barber, MD, PhD
Pediatric Neurologist and
Palliative Care Physician
UCSF Benioff Children’s Hospital SF
Reggie Cooks
Santa Clara County Sheriff
Omondi Nyong'o, MD
Pediatric Ophthalmologist and
Adult Strabismus Surgeon  
Crescendo MD 
Adjunct Professor Stanford University
School of Medicine
Carolyn C. Chang, MD, FACS
Plastic Surgeon,
Private Practice
Jonathan Healey
Chief Audit Executive
Adobe
Stephanie Ledesma
Senior Vice President,
National Health Plan Enablement & Integration
Kaiser Permanente
Kathy Hull, MFCC, Psy.D
FOUNDER
Staff Psychologist
George Mark Children's House
Justin Baker, MD, FAAP, FAAHPM
Chief, Division of Quality of Life and Pediatric Palliative Care
Director, QoLA Program (Quality of Life for All)
Professor, Department of Pediatrics
Stanford School of Medicine
William Gisvold
TREASURER
Partner, Retired
Sensiba
Robin Matlock
SECRETARY
Independent Board Director
and Advisor
Jennifer Kennedy Park
VICE PRESIDENT
Partner
Cleary Gottlieb Steen & Hamilton LLP 
Kendall Glynn
PRESIDENT
Founder, COO
Square Baby
GMCH Annual Report | 2025
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