meet our TEAM

All of our patients are unique and deserve the best in care. We have a wonderful team of doctors, massage therapists, physical therapy aides, and chiropractic assistants who are committed to working with you to make sure you receive the highest quality treatments the industry offers.


dr. sarah waterkamp

Doctor of Chiropractic, Southern California University of Health Sciences
M1 Graston Technique Certification
Activator Level 1

Dr. Sarah was born in Germany and moved to the US about 20 years ago. She was a competitive gymnast for 7 years and later played volleyball and soccer in high school. During her time in competitive sports, Dr. Sarah was treated by a chiropractor who helped her recover from injuries and inspired her to help others do the same. She spent much of her time in school/externship working on athletes at USC and Kessler Family Wellness which further cemented her future in working in sports medicine. Dr. Sarah has volunteered her time on the athlete medical team on various events including the AIDS/LifeCycle cycling tour and the Wildflower Triathlon. One of her primary passions at KFW is using hyperbaric oxygen therapy to help patients combat inflammation and function at their best. Outside of work, Dr. Sarah is an outdoor hiking and rock climbing enthusiast and loves to travel, cook, and spend quality time with her husband and her adorable goldendoodle Neuer.


dr. andrew hassen

Southern California University of Health Sciences, Doctor of Chiropractic
UC Irvine, B.S. Biological Sciences | emphasis in Neurobiology

Born and bred in Southern California, Dr. Andy has become an integral part of our Kessler Family Wellness family. During his undergraduate years at UCI, he not only found time to volunteer at Hoag Hospital, but he also competed as a Division I athlete on the Track & Field and Cross Country teams. During his competitive years, Dr. Andy utilized chiropractic and various physiotherapies to keep his body healthy and aligned. It was then when he realized his passion for the body and the power of chiropractic. When he’s not treating patients in our office, Dr. Andy can be found surfing at our local beaches, taking a Brazilian jiu-jitsu class, and on the soccer field playing in a community league.


dr. jose garay

Southern California University of Health Sciences, Doctor of Chiropractic
University of La Verne, B.S. Movement & Sport Sciences
USA Weightlifting Certification
HawkGrips Practitioner (cert. HGP-I)

After playing football in college and with a strong interest in sports medicine, Dr. Jose decided to pursue a career in chiropractic. He loves working at
Kessler Family Wellness because of how supportive the environment is and the consistent communication between the diverse patient base and the staff. In his spare time, he enjoys golfing and playing baseball and basketball with his two sons. Dr. Jose is an avid sports fan and cheers on the Lakers, Dodgers, LA Kings, and Cowboys!


dr. faith timbang

Southern California University of Health Sciences, Doctor of Chiropractic
California State University, Fullerton, B.S. Biokinesiology | Exercise Science & Pre-Allied Health
The Mckenzie Method of Mechanical Diagnosis and Therapy (MDT) for the Lumbar Spine Certification
Hawkgrips Instrument Assist Soft Tissue Mobilization: Level I and II Certification
Fascial Movement (FMT) kinesiology taping: Basic and Performance Certification
Webster Technique for the pediatric population Certification in progress
Fluent in Tagalog

A native of Paranaque, Philippines, Dr. Faith spent over a year serving as a Clinical Care Extender and rehab therapy assistant at Hoag Hospital before pursuing a career as a Doctor of Chiropractic. She has a wealth of knowledge and certifications and serves as a holistic doctor who believes in evidence-based rehabilitation techniques in order to provide her patients with the best up to date care. She not only incorporates Muscle Release Technique (MRT) and Functional Range Conditioning into her work but also Functional Movement Screening, Cupping, and Physiotherapy as well. Outside of the office, you can find Dr. Faith taking her beloved german shepherd puppy, Kenai, on adventures all over Southern California.