Meet our staff
Solomon Joseph, MPT
- Solomon Graduated with a Master's degree in physical therapy from Loma Linda University in 1993. He earned a Masters degree in Chemistry from the University of California, Irvine in 1990 and has worked in the Long Beach area since 1993, including five years as a large outpatient facility Clinical Director. Solomon developed and is the director of our aquatic therapy program. Additionally, Solomon has been a Dynamic Tape clinical instructor since 2013.
Dawn Ann Hageman, PT, DPT, OCS, C
- Dawn earned her Doctorate Degree in Physical Therapy at Belmont University in Nashville, Tennessee in 2004 and worked at Cedars-Sinai Medical Center for 12 years. She was the Cedars-Sinai Orthopaedic Clinical Resident in 2007 and earned her Orthopaedics Clinical Specialty Certification in 2008. She has been a member of the Cedars-Sinai/USC Glorya Kaufman Dance Medicine Center and the Charcot-Marie-Tooth-Disease Clinic. Also, she became a Certified Strength and Conditioning Specialist in 2003. She has had extensive training in abdominal and pelvic health and women's health. Areas of focus include pregnancy and postpartum issues, pelvic pain, as well as incontinence. Her areas of expertise include orthopedics, women's health, working with dancers, and Charcot-Marie-Tooth-Disease. She is a member of the American Physical Therapy Association and is involved in the women's health, orthopaedic, and sports physical therapy sections.
Fletcher J. Zumbusch, SCS, PT, DPT, CSCS
- Fletcher completed his Doctor of Physical Therapy degree from University of California (USC), and a Bachelor of Science Degree in Health Science with concentrations in Physiology and a minor in Spanish from University of Arizona. In addition to his Doctor of Physical Therapy Degree from USC, Fletcher has worked in many volunteer capacities, including several sports-related associations and teams throughout greater Southern California. Inspired by his passion for sports and helping others, Fletcher's work is further solidified through his continued education, resulting in several licenses and certifications: Board Certified Sports Clinical Specialist, Licensed Physical Therapist (State of California), Certified Strength and Conditioning Specialist ("CSCS"), Certified Personalized Blood Flow Restriction Rehabilitation ("BFR"); Fletcher is also certified in/as an Emergency Medical Responder and Basic Life Support. Along with his experience and expertise, he possesses several multi-lingual proficiencies, including Spanish, Portuguese, French, and German, in addition to English.
Kai Yamamoto, OTR/L
- Kai Yamamoto graduated Cum Laude with his Bachelor of Arts degree in Psychology from the University of California, Los Angeles in 2014. He graduated from Dominguez Hills with his Master of Occupational Therapy degree in 2018. He has worked at hand clinics in Los Angeles and the Orange County areas. He was a presenter at the American Occupational Therapy Association Annual Conference in 2018. He is fluent in Japanese speaking and proficient on writing using hiragana and katakana characters.
Amanda Preston, OTR/L
- Amanda graduated with her Bachelor of Science in Health and Exercise Science Skidmore College, Saratoga Springs, New York in 2017. She earned her Master's Degree in Occupational Therapy from the University of Southern California in 2020. As a graduate student at USC, her passion for hand therapy continued to grow, as she worked alongside certified hand therapists in various clinics in Southern California. Amanda is excited to be a member of the AOPT Team and looks forward to maximizing each patients' hand rehabilitation by providing individualized treatments.
Rusaly Mohammad, PTA/ATC
- Rusaly ("Rus") graduated from California State University, Long Beach with his B.S. in Kinesiology in 2003. He passed his National Board Examination as an Athletic Trainer in 2004. In 2006, he graduated from Cerritos College and obtained his Physical Therapy Assistance License. Rus has been with us since 2003 and works as a PTA/ATC. He also works in neurological pediatric settings helping acute and chronic patients with conditions such as stroke(s) and brain trauma(s). Additionally, Rus serves as therapy support for the aquatic therapy program at AOPT.
Heather Lacquement, PTA
- Heather Lacquement graduated with her Bachelor of Arts degree in Athletic Training from California State University, Long Beach in 2002. She graduated from Cerritos College with her degree as a physical therapy assistant in 2008. She has worked at orthopedic clinics in the Orange County area, as well as conducted aquatic therapy classes.
Kim Sila
Billing Manager and Claims Specialist
Kim has been with AOPT since 2002, managing the front desk. She has over 20 years of medical front office experience and is extremely proficient in handling all insurance and billing questions. She also coordinates scheduling and attains insurance authorizations for workers compensation cases.
Arianne Uy
Office Manager and Patient Support
Arianne graduated from California State University, Long Beach and received her B.S. in Kinesiology, option in Exercise Science in 2010. She works in the business office helping with authorizations and billing. In her free time, she enjoys baking everything from cookies to cakes, as the owner of her very own home-based baking business.