Our Doctors

David Foster D.C., DACBSP, CSCS

Dr. Foster, has been the SCU Director of Sports Medicine since April 2015 and a Clinical Associate Professor since 2013. Prior to joining SCU Dr. Foster spent 15 years in private practice specializing in the treatment of high performance athletes. Since 1999 he has taught sports medicine to high schools throughout Los Angeles County and Orange County. Currently, Dr. Foster teaches sports medicine and medical core curriculum within the California High School Health Academy, where he also serves as team physician and has developed an extensive student training program. He has been recognized twice for best original research by the American Chiropractic Board of Sports Physician, Chiropractic Sports Symposium for combining his passions of sports medicine and multi-disciplinary educational programs.

Dr. Foster earned a Bachelor’s in exercise science from University of Southern California, and a Doctorate of Chiropractic at SCU. He is a certified chiropractic sports physician and holds Diplomate status from the American Chiropractic Board of Sports Physicians. He is also a certified strength & conditioning specialist through the National Strength and Conditioning Association, as well as certified in sound assisted soft tissue mobilization. He maintains a full-time California Teaching Credential in athletic training and a master’s degree in educational leadership. Dr. Foster’s patients include elite, recreational, and master athletes. He is active in the sport of powerlifting as an athlete, medical director, and referee. Dr. Foster specializes in using individualized, progressive, active care to recover injuries faster and improve performance.



Dr. Troy Holder

Troy Holder D.C., DACBSP®, CSCS, EMT

Dr. Holder graduated in 2010 from Palmer College of Chiropractic West. He graduated Valedictorian of his class, with Magna Cum Laude honors and was inducted into the Pi Tau Delta Chiropractic International Honors Society. Additionally, at graduation, he was awarded the Clinical Excellence Award for his skills in the college clinic. The Virgil V. Strang Philosophy award was also given for recognition of his “distinctive accomplishment and contributions to the philosophical principles of chiropractic as a student at Palmer College’s West Campus.” After graduating, Dr. Holder returned to Spokane, Washington to begin his private practice. He has had the opportunity to help a wide variety of people from highland dancers, golfers, and other athletes to truck drivers and senior citizens. It was because of his love for helping athletes that he decided to apply for the Southern California University of Health Science, Sports Medicine residency to pursue specialization in chiropractic sports medicine. He is a certified chiropractic sports practitioner, certified golf injury doctor, nationally registered emergency medical technician and has selective functional movement assessment level 1 certification. In 2014 he Dr. joined the SCU Sports Medicine team.




Michael Fanning, D.C.

Michael is a  New England  native, born and raised in Rhode Island. He served six years in the USAF as a member of the Tactical Air Control Party (TACP) stationed at the 15th Air Support Operations Squadron, Detachment 1 at Fort Benning, GA. His service included two tours in Iraq’s Diyala and Wasit provinces as a Forward Air Controller attached to the 1/15 Infantry Regiment and 3-1 Cavalry Squadron.

His military specializations included joint Terminal Attach Controller (JTAC), Basic- Parachutist qualifications and receiving an AA Information Systems from the Community College of the Air Force.

Upon Honorable Discharge as a Staff Sergeant in 2011 he studied Biology at the University of Utah while working as a USA Triathlon Certified Coach and competing in Ironman distance events. In 2013 he transferred to Southern California University of Health Sciences (SCUHS).

He recently graduated from the Doctorate of Chiropractic program at SCUHS, Cum Laude and recieved the Dr. Lester McCoy Clinical Excellence Award.” Michael is now part of the SCUHS Chiropractic Sports Medicine Residency Program. He currently resides in La Habra with his wife and Great Dane. Michael is an avid trail runner.”




Jannet Gonzalez, D.C., DACBSP

Dr. Gonzaelez graduated from California State University, Fullerton in 2006 where she earned a Bachelors of Science in kinesiology with an emphasis on clinical exercise science. She also graduated from Southern California University of Health Science (SCU), with a Doctor of Chiropractic in 2010. Soon after she became the first female resident in the Sports Medicine Residency Program at SCU. In 2011 she earned her Certified Chiropractic Sports Physician and in 2013 her Diplomate by the American Chiropractic Board of Sports Physician.



Ren-Tsz Yeh, D.C., L.Ac.

Dr. Yeh is a member of the Southern California University of Health Sciences graduating class of 2014. Among her class she was the only one who graduated with two degrees: Doctor of Chiropractic and Master of Acupuncture and Oriental Medicine. Dr. Yeh received her Bachelors of Science in Sports Medicine at Kaohsiung Medical University in 2011.

After graduating, Dr. Yeh became a SCU sports medicine resident in 2015 to pursue her dreams in hopes of working with athletes. She hopes to bring strong chiropractic and acupuncture proficiencies in sports injuries, pain management, and mental health.



Associated Faculty


Dr. Bill Moreau, D.C., DACBSP, CSCS

Dr. Bill Moreau is an associated faculty at SCU. He is a chiropractic physician and conservative evidence based sports medicine clinician who started work with the USOC in 2009 after more than 25 years of private practice. He became the first Managing Director of Sports Medicine for the United States Olympic Committee (USOC) in February of 2012. Prior to this promotion Dr. Moreau worked at the USOC as the Director of Clinics.Moreau develops the USOC Sports Medicine strategy and oversees all USOC sports medicine activities including; Clinics, Games and the USOC National Medical Network. Dr. Moreau served as the Medical Director for Team USA at the London 2012 Olympic Games where he managed the implementation of medical care to more than five hundred athletes as provided by more than 100 medical providers. He will serve as the Medical Director for the Sochi 2014 Winter Games.Dr. Moreau founded and advances the application of integrated, multiple disciplinary musculoskeletal care through founded Fortis Cura, Inc. a healthcare company dedicated to advancing patient centered care through the utilization of and further development of evidence based musculoskeletal care pathways. He has been featured in Bloomberg Business Week, USA Today, Time, ESPN, NPR, NBC, GE Healthcare News, Kaiser Health News, the USA Department of Health and Human Services Consumer Health IT Summit, Cleveland Clinic Innovation Summit, Army Strategic Studies Group and the Allegany Healthcare Summit. Moreau has successfully presented over 550 postgraduate presentations with a primary focus on sports medicine and musculoskeletal care throughout the United States and Internationally. He has over 30 years clinical expertise in both general practice and sports medicine. Sporting patient populations include Olympic, professional, collegiate, high school and recreational athletes. Dr. Moreau is well published with a focus on evidence based medicine, athletic injuries with an emphasis in the study of concussion in sport.


Dr. Joseph Horrigan, D.C., DACBSP,

Dr. Horrigan is a full time clinical faculty at SCU serving as Executive Director of Tactical Sports Medicine, teaching MSK differential diagnosis, as well as serving as an advisory for SCU’s Sports Medicine Clinic and educational programs including the Sports Medicine Honors Program and Sports Medicine Residency. Dr. Horrigan also leads a new clinical program in conjunction with the Los Angeles County Sheriff’s Academy, which provides clinical learning opportunities to SCU students and residents.

In addition to his involvement with SCU, Dr. Horrigan is the president of Horrigan Sports Chiropractic and the Soft Tissue Center. Dr. Horrigan has served on the American Chiropractic Board of Sports Physicians for fifteen years; including one year as president, five years as vice-president, and nine years as Chairperson of the Written Examination Committee. Dr. Horrigan was awarded the Sports Chiropractor of the Year in 2001. In addition to his professorship at SCU, Dr. Horrigan is a postgraduate faculty member at Northwestern College of Chiropractic and Palmer College of Chiropractic in the Sports Medicine Department.

Dr. Horrigan served as the Head Speed-Strength and Conditioning Coach for the Los Angeles Kings from 1999-2002. He served as Team Chiropractor for the Long Beach Ice Dogs hockey team from 1995 – 1999 and as their Director of Speed-Strength and Conditioning from 1996 – 2003. Dr. Horrigan served on the Sports Medicine Committee for USA Weightlifting from 1997 – 2005 and as the Chief Medical Officer for Team USA for the 1999 Junior World Championships and 2003 World Championships in Weightlifting. He served as

a member of the official sports medicine providers for Red Bull North America from 2011 – 2016.

Dr. Horrigan has published in several professional journals. He has written the Ironman Magazine sports medicine column for twenty years cumulatively and intermittently written the sports medicine columns for Inside Kung-Fu and Ms. Fitness magazines. Dr. Horrigan has co-authored two books, The Seven Minute Rotator Cuff Solution published by Health For Life Publications, and Strength, Condition, and Injury Prevention for Hockey published by McGraw-Hill/Contemporary Books Publications. He currently writes a blog for The Huffington Post. Dr. Horrigan lectures for USA Track and Field in the Elite Hurdle Development Program.

Dr. Horrigan’s sports medicine and sports performance skills have also been utilized by the entertainment industry. He has served as Medical Consultant for the films: The Matrix (1999), Charlie’s Angels: Full Throttle (2003), Spider-Man 2 (2004), Django Unchained (2012), and Hateful Eight (2015); and served as Athletic Performance Consultant on Seabiscuit (2003), The Skeleton Key (2005), Things We Lost in the Fire (2007), Che: Part One (The Argentine) (2008), and Che: Part Two (Guerrilla) (2008), The Lovely Bones (2008), The Hunger Games (2012), Savages (2012), and Escobar: Paradise Lost (2014). He also was a medical consultant for the NBC television show, S.T.R.O.N.G.



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