We are current and future physicians and surgeons,
international olympic athletes, and healthcare professionals.

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Bruce S. Youm

Medical Health Project Director and Chairman

Bruce founded Health Guardians America to contribute towards addressing one of the most pressing public health issues of our generation. Since inception in 2011, he continues to oversee the planning, design, and implementation of the precision-engineered, self-sustaining public health program at a national level. With the generous support of all the past and present members of the nonprofit, he has navigated the strategic growth of the health organization from the flagship campus at UC Berkeley in California to +25 universities across the United States with the goal of 100 campuses with over 100K health participants by 2020.

Bruce graduated magna cum laude with dual degrees from the University of California Berkeley in human biology and Walter A. Haas School of Business in business administration. Bruce taught over 20 semester courses leading to an lecturer appointment and a university teaching award at commencement in 2012. As a recipient of several academic scholarships in science and technology, he had the opportunity to complete a senior honors research thesis supervised by Dr. Andrew Parsa, MD, PhD, previously Vice Chairman of Neurological Surgery at UCSF Medical Center and Chairman at Northwestern Medicine.

As an MD/MPH candidate, he studied medicine at Drexel College of Medicine and public health at Columbia University in the City of New York, where he is a university scholarship recipient and an elected member of the Columbia University Senate. Aligned with his interests in digital health technology in primary medicine, Bruce conducted medical research investigating the digital health divide in the urban patient demographic of the rheumatoid population with funding support from the Rheumatology Research Foundation under Dr. Aruni Jayatilleke, MD, MS.

Bruce personally loves to exercise and values a healthy lifestyle, completing his first marathon at the international OSIM Marathon Singapore in 2016 and now training again for a second marathon.

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Graeme Moore, MD

Founding Partner & Olympian Athlete

Graeme was one of the founding partners having been involved in the early stages of the nonprofit and is a medical degree candidate at the University of the Witwatersrand in Johannesburg, South Africa. He graduated from the University of California Berkeley majoring in integrative biology and was a competitive swimmer for the Cal Men’s Swimming. His collegiate athletic career consists of 19 All American appearances and 7 national relay championships. During his final season in 2011, Graeme was one of the seniors that led the Cal Men’s Swimming Team to a national championship title. At the age of 22, Graeme qualified to compete professionally representing South Africa in the 2012 Olympic Games in London. He competed in the 100-meter freestyle and 4×100-meter freestyle relay events, advancing to the final round and placing fifth overall in his second event. Realizing his passion for global health, he hopes to utilize his medical education to serve the communities of his native country of South Africa.

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Matthew Sun, MD

Neurosurgery Resident
Early Stage Board Director

Dr. Sun was involved as a strategic advisor for the management team early on in the nonprofit as a medical student. He is currently a neurosurgery resident at the UCLA Medical Center. Prior to residency, he has published in numerous medical journals in the field of neurosurgery as a recipient of the prestigious Howard Hughes Medical Institute research grant. He received his medical degree from the UCSF School of Medicine and bachelor’s degrees in biology and film studies from Stanford University where he performed as the concertmaster for the Stanford Symphony Orchestra and awarded the Firestone Medal for Excellence in Undergraduate Research.

Caitlin Leverenz

USA Olympic Medalist
Founding Member

Caitlin is a founding member at the nonprofit and a USA Olympic swimmer notably earning a bronze medal in the 200-meter individual medley events at the 2012 London Olympics. She attended the University of California Berkeley on an athletic scholarship and was a competitive swimmer for the Cal Women’s Swimming. At the NCAA national championships in 2011, she swam the breaststroke legs for the Golden Bears’ winning relay teams in the 4×50-yard and 4×100-yard medley relay events setting a new American and NCAA record time. Her collegiate athletic career consists of countless All American appearances and winning individual national championships in the 200-yard individual medley and the 200-yard breaststroke events. In total, she has earned 7 medals at the Pan American Games, Pan Pacific Championships, and Olympic Games.

Hannah Wilson

Olympian Swimmer
Founding Member

Hannah is a three-time Olympian swimmer having qualified to compete in the 2004 Summer Olympic Games in Athens, 2008 Summer Olympic Games in Beijing, and 2012 Summer Olympic Games in London. She graduated from the University of California Berkeley and was a competitive swimmer for the Cal Women’s Swimming. Her college teammates include 2008 Summer Olympic Games 100 m backstroke gold medalist Natalie Coughlin and 4 × 100 m freestyle relay silver medalist Emily Silver. She has won two career Universiade gold medals and currently holds +10 Hong Kong records and two Universiade records in swimming.

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Gordon Wong

MD/MBA Candidate
Founding Partner and Initial Director

Gordon is currently an MD/MBA candidate at the Tufts University School of Medicine and served as the founding co-president of the UC Berkeley chapter of the nonprofit organization. He contributed to the initial stages of the founding chapter at UC Berkeley. Prior to medical school, he double majored in Integrative Biology and Economics at University of California, Berkeley, where he completed a senior thesis examining the effects of HIV/AIDS on African economic growth. In addition, he took part in nutritional biochemistry and development economics research with two lab groups. His interests aside from medicine are indoor rock climbing, music, and foreign languages. As an MD/MBA candidate, he looks to unify his interest in healthcare economics with the knowledge and skills to develop innovative solutions that will refine the delivery of medical care.

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Andrew Liman

MD Candidate
Founding Member

Andrew is currently an MD candidate at UC Davis School of Medicine. Andrew has a strong passion for education and contributed to the development of the educational programs at the nonprofit organization. As an undergraduate at UC Berkeley, he taught education, biology, and chemistry courses as an undergraduate instructor. Within the local community, he taught health workshops to under-served high school students through Peer Health Exchange. In addition to his teaching experiences, Andrew volunteered for the improvement of health and empowerment of the under-resourced Asian Pacific Islander (API) community as a member of the Hep B Project, REACH!, and the Society of Asian Scientists and Engineers. Additionally, Andrew was a Teaching Assistant for the Field Study Internship, a subgroup of the Health and Medical Apprenticeship Program that places Cal students in shadowing positions with prominent Bay Area physicians. He is a graduate of UC Berkeley with a bachelor’s degree in integrative biology with a minor in education.