Dan Corkish | Geoff Lew
Jeremy Tang | Jim Twomey  | Cheryl Estoesta
Amanda Ang | Joe Mateo | Alvin Li  | Joshua Lee
Herlinda Vizcarra | Nichole Hiraoka | Jackie Heagney

Dan Corkish, DPT (

Dan is co-owner of Aero Physical Therapy and Sports Medicine. He was born and raised in San Francisco and graduated with a B.S. in Exercise Sports Science from the University of San Francisco in 1999. He then went on to earn a Doctor of Physical Therapy from the University of Southern California in 2004.

Dan’s professional interests, acquired through many years of training, encompass the inpatient and outpatient orthopedic settings. Seeing the patient progresses from the hospital and back to a functional, active life is what drives Dan to work hard for the people under his care. He uses an eclectic manual therapy approach of Norwegian, Australian and Greenspan methods tailored to the needs of each of his patients.

Dan has been involved with athletics nearly all his life. Throughout his youth, Dan played football, basketball, baseball, weight lifting, and discus throwing. He uses his experience and knowledge as an athlete. His extensive experience and knowledge as an athlete enables him to instill in his patients the commitment necessary to developing and maintaining a healthy and productive physical life. In his spare time, Dan serves as head coach for his daughter’s youth basketball team and volunteers in his community.

Geoff Lew, DPT CSCS (

Geoff is co-owner of Aero Physical Therapy and Sports Medicine. He earned his BA degree in Integrative Biology at UC Berkeley in 1999 and completed his Doctor of Physical Therapy degree at the University of Southern California in 2004.

Geoff employs a multidisciplinary approach in assessment and treatment of his patients. He recently completed a yearlong Australian Musculoskeletal Course.  In addition, he has been trained in Active Release Techniques (ART),  Graston Soft Tissue Techinques, and Myofascial Decompression Technique. As a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association, he incorporates manual skills in conjunction with therapeutic exercises to improve functional activities and sport-specific mechanics.

As an avid marathon runner and triathlete, Geoff has a unique comprehension of running, cycling and swimming related injuries and training techniques. His accomplishments include the Boston Marathon, New York Marathon, Chicago Marathon, Marine Corps Marathon, IRONMAN Boulder and IRONMAN Santa Rosa. He has been selected as brand ambassador for Nuun Hydration since 2017 and also races with TriForce Triathlon Team. In addition, he trains in Kung Fu/kickboxing.

Jim Twomey, PT (

Jim has been rehabbing the San Mateo community for more than 3 decades and has enriched the lives of thousands of patients with a wide variety of physical therapy dysfunctions. He has taught many community classes throughout the region while with Mills-Peninsula Hospital and has served as a mentor for hundreds of current and future physical therapists.

Jim has participated in three year-long physical therapy orthopedic training programs, including the Nordic System and Australian approach.  He is very competent in Australian, Nordic, Cyriax systems along with many other approaches that give him an overall electric approach.  Jim loves the teaching aspect and the art of physical therapy and educating the patients on how to diagnose their presentation and aide in their own treatment.

A true cyclist, you can easily find Jim cycling all over San Mateo and Napa Valley when not in the clinic.

Cheryl Estoesta, DPT (
Bio coming soon.

Joe Mateo, DPT (
Joe has played many sports since he was a kid – mostly basketball, football, and baseball – and has been into weightlifting since he was in high school. His love for sports and fitness and his passion for helping others led him to a career as a physical therapist. Joe earned his Bachelor’s of Science in Kinesiology at San Francisco State University before earning his Doctor of Physical Therapy degree from the University of St. Augustine for Health Sciences in San Diego, CA.

Joe strongly believes in the use of manual therapy, neuromuscular re-education, and other hands-on techniques to help his patients achieve their goals. His athletic and exercise background carries over into his treatments, as he also believes in the power of exercise to help his patients maximize their functional abilities.

A native of San Francisco, Joe is a big fan of the Golden State Warriors, San Francisco Giants, and San Francisco 49ers. In his free time Joe enjoys weightlifting, hanging out with friends and family, and trying out new places to eat (and will be welcome to any suggestions!).

Jeremy Tang, DPT (
Jeremy was born and raised in the Bay Area. He earned a Bachelor’s of Science in Kinesiology from the University of San Francisco in 2015 and attended University of the Pacific in Stockton, California where he received his Doctor of Physical Therapy degree in 2017.
At a young age, Jeremy participated in many sports such as swimming, water polo, volleyball, and jiu-jitsu. Through sports, he developed an interest in human movement. This interest later evolved into a passion for physical therapy to maximize function, relieve pain, and optimize physical performance. Jeremy believes in incorporating patient’s goals into the process to make rehab process more enjoyable.
Outside of physical therapy, Jeremy enjoys helping out with his church, music, hiking in Marin County, and exercising.

Amanda Ang DPT (

Amanda is proud to have gone to schools all over California. She earned her Bachelor’s of Science in Exercise Biology with a minor in Psychology from UC Davis and continued her education to earn her Doctorate in Physical Therapy from Azusa Pacific University in Southern California. 

Prior to beginning physical therapy school, Amanda worked as an Aide at the Burlingame office. Now a fully licensed physical therapist, she hopes to help patients achieve their goals by creating individualized treatment plans including manual therapy, optimizing movement, and strengthening. She is currently a Certified Strength and Conditioning Specialist, and has also taken courses in Blood Flow Restriction and Myofascial Decompression Techniques. 

Born and raised in the Bay Area, Amanda is a huge fan of our local sports teams including the Golden State Warriors and San Francisco 49ers. With a general interest in all sports and recreational activities, she is most familiar with tennis, basketball, track and field, and yoga. Outside of the clinic, she especially loves travelling and being able to try different foods all over the world. 

Joshua Lee, PT, DPT, ATC (

Bio to come

Alvin Li, PT, DPT (

Alvin is a Bay Area native, born and raised in San Francisco. He earned his Bachelor’s of Science in Kinesiology from San Francisco State University and went on to earn his Doctorate of Physical Therapy from West Coast University in Los Angeles. 

Alvin’s interest in physical therapy stems from a fascination with the human body and its capacity to recover from injuries. His approach with physical therapy combines the use of various manual therapy techniques, paired with specific exercises to meet the goals of his patients. 

In his free time, Alvin enjoys maintaining an active lifestyle which involves playing basketball, weightlifting, and hiking. 

Herlinda Vizcarra (

Herlinda is our Billing Manager.  She can assist you in any billing and/or insurance questions you may come across.

Nichole Hiraoka (

Nichole manages our Burlingame clinic.  She can help you with insurance questions, scheduling, and any other administrative issues you have.

Jackie Heagney (

Jackie manages our San Mateo clinic. She is available to assist you with scheduling, insurances verification, and anything else during your care with us.