Therapists

Ken Yoshino, D.P.T., A.T.C. – CEO of A.C.I.C. and Clinic Director (Irvine location)

Image descriptionDr. Yoshino graduated with a Doctoral Degree in Physical Therapy from Boston University. He also possesses a Bachelor’s Degree in Physical Therapy from California State University, Long Beach, and a National Certification in Athletic Training. Dr. Yoshino has over 30 years of experience as a Staff Supervisor and Chief Administrator of a physical therapy practice. He has completed extensive work in orthopedic, pre-surgery, post-surgery, conditioning, and preventative care. His concentration is in working with athletes at all competitive levels.


Charles Fehrenbach, P.T., A.T.C. – Clinic Director (Ladera Ranch location)

Image description Charles completed his Bachelor’s Degree in Biological Sciences at the University of California, Irvine in 1988,  and then completed his Master’s Degree in Physical Therapy at Hahnemann University inPhiladelphia, PA.  in 1990. Charles is mariried to his wife Anna, and they have 4 children, Jake,Jessica,Micaela and Nick.  Charles has worked with ACIC since 1990 and has been  the Clinic Director of theLadera Ranch ACIC location since 2009.


Brett Eirich, P.T., A.T.C. – Clinic Director (Tustin location)

Image descriptionBrett obtained a Bachelor’s of Science Degree in Physical Therapy from Northwestern University Medical School, and a Bachelor’s of Science Degree in Physical Education/Health from California State University, Fullerton. He has been the Clinic Director of the Physical Therapy Center of Tustin, an affiliate of ACIC Physical Therapy, since 1993. Brett has over 20 years of experience in the field with an emphasis in orthopedics, sports medicine, and manual therapy. He enjoys teaching as well, and has clinical affiliations with Chapman University, CSU Long Beach, and USC.


John Dougherty, P.T.A., A.T.C., T.P.I.– Physical Therapist Assistant, Certified Athletic Trainer

John Dougherty John completed his Bachelor's Degree in Kinesiology from California State University, Long Beach, emphasis in Athletic Training, and the Cerritos College Physical Therapist Assistant Program.  During his 13 years of employment at ACIC Physical Therapy he has been involved in all aspects of patient's care, including continuing education in Pilates, Proprioceptive Neuromuscular Facilitation( PNF) Manual Therapy, ThrowCord, and Kinesiotaping techniques, and Soft-Tissue Mobilization.  John has also completed the Titleist Golf Performance Institute (TPI) Certification of Golf Fitness and Movement Analysis.  He is the current Sports Medicine Advisor to El Toro High School.  He is the former Director of Athletic Training for ACIC Physical Therapy, and Head Athletic Trainer for both Capistrano Valley High School and Mission Viejo High School.


Stacy Pearl, M.P.T. – Physical Therapist

Image description Stacy has been with ACIC since 2004. She was a 4-year scholarship academic/volleyball player from the University of Missouri - St. Louis, and went on to receive her Master's in Physical Therapy from California State University - Long Beach in 2008. Her current evidence-based knowledge, coupled with trusting patient relationships yields an expert level of success and patient satisfaction. Stacy is also well educated in screening and making an appropriate medical referral if indicated. Stacy is completing her Doctorate in Physical Therapy at Temple University.


Brenda Madsen, D.P.T., O.C.S. – Physical Therapist

Image descriptionBrenda graduated from the University of California, Irvine with a Bachelor's of Science Degree in Biology in 1995 and further attended the University of Southern California where she obtained her Doctorate in Physical Therapy in 1999. After practicing outpatient orthopedics at ACIC Tustin for 4 years, Brenda completed the yearlong weekend Kaiser Orthopedic Residency Program and obtained her OCS credential and the title Orthopedic Clinical Specialist. Brenda is currently adjunct faculty at Orange Coast College where she teaches Anatomy Lab, and she also serves as a Clinical Instructor for Physical Therapy Interns under ACIC's affiliations with USC, Chapman, Western, and CSULB.


Sibylle A. Mehta, D.P.T. – Physical Therapist

Image descriptionSibylle obtained her Master's Degree in Physical Therapy from the prestigious Academy Thim van der Laan in Switzerland and completed her thesis regarding the impact of gymnastics on young athletes. The European techniques that she provides offer a special, hands-on, unique interaction and treatment style. She is known for her soft tissue mobilization and pain control. As an athlete she was 3X Austrian National Grand Gymnastics Champion, Member of the World Gymnastic Team, and winner of the "Medal of Honor" for sports in Austria. She screens and treats gymnasts at an Orange County gymnastics club, and is a published co-author of "Gymnastics and Back Pain" in the magazine Technique. She is well versed in yoga and martial arts.
Currently, she is completing her Doctor of Physical Therapy degree.


Jill Kopeny, P.T.A., C.M.T. - Physical Therapist Assistant, Certified Massage Therapist (Ladera Ranch location)

Image description Jill completed her Bachelor's Degree in Kinesiology at the University of Colorado, Boulder and the Cerritos College Physical Therapist Assistant program. She is been working in the Physical Therapy field since 1995 and for ACIC Physical Therapy for the last 12 years. Along with being a Certified Massage Therapist, Jill has continued education in joint mobilization, soft-tissue mobilization techniques, PNF and is well versed in Yoga and Pilates. She enjoys practicing hands-on Outpatient Orthopedics and helping patients receive the highest quality of care.



Practice Manager

Karen Herz – Office Manager

Image descriptionKaren has been a member of the ACIC Physical Therapy team since 1988. She started working as an Aide assisting the Physical Therapists with patients in the back office. She has worked in all administrative capacities over the years, but has functioned as Office Manager for the past 10 years. She handles all human resources and business management for the practice. She also acts as our Patient Care Representative to help our patients with any needs they may have in assuring they receive they highest quality of care. Karen brings her extensive knowledge related to medical insurances to assist patients with any question regarding their insurance and billing needs. Karen's kind manner, versatility, conscientiousness, strong work ethic, and experience have made her an invaluable asset to ACIC. Patients and therapist appreciate her warmth, professionalism, and efficiency.

Athletic Trainers

Logan Post, A.T.C. - Beckman H.S.

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Chris Waite, A.T.C., C.E.S. – El Toro H.S.

Image description Chris completed his Bachelor's Degree in Athletic Training from Brigham Young University. He is certified as a Corrective Exercise Specialist from the National Academy of Sports Medicine and is currently pursuing his Doctor of Physical Therapy Degree from the University of St. Augustine for Health Sciences. Chris has had experience as an Athletic Trainer in the Collegiate, Junior College and High School settings. He is currently the Athletic Trainer at El Toro High School and serves as a clinical Preceptor for Chapman University.