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Meet the cor team

Dr. Gary John Mullen Physical Therapy Physical Therapist Santa Clara
Physical Therapist

Dr. John Mullen, DPT is a World-renowned expert and speaker in sports training and rehabilitation. He received his Doctorate in Physical Therapy at USC, as well as the Josette Antonelli Division Service Scholarship, Order of the Golden Cane, and the Order of Areté. At USC, he also performed research on strength training and rehabilitation. Dr. John has worked with over 30 Olympic and Professional athletes, helping them earn over 15 Olympic medals. He was also the editor of the book Swimming Science  and was named one of the Best 3 Physical Therapists in Santa Clara in 2018, 2019, and 2020.

His dedication to research and individualization spurred him to open COR in 2011. Since 2011, Dr. John has been featured in Gizmodo, Motherboard, Stack Magazine, and much more.

He has worked with numerous colleges and teams regarding rehab and performance. He has also done sports performance consulting for team China, the Philippines, Trinidad and Tobago and more.

Before his Doctoral program, Dr. John swam on an athletic scholarship at Purdue University. At Purdue, Dr. John was an Academic Honorable Mention All-American and was awarded the Red Mackey Award and R. O. Papenguh Award. He also won the Purdue Undergraduate business plan and elevator pitch competition, as well as 1st prize with the Indiana Soy Bean Alliance.

Dr. John was born in Centerville, Ohio and was a 24-time high school All-American Swimmer. Dr. John is still a swimmer and is a former Masters Swimming World and Pacific Swimming Record.

Donell Babino Physical Therapy Physical Therapist Santa Clara
Physical Therapist

0Dr. Donell Babino, DPT is a graduate of Georgia State University and is fairly new to California. He was inspired to become a physical therapist from being physically active throughout his childhood and suffering minor injuries from sports such as American football, wrestling and rugby. At the time he did not know there was a profession that assists in rehabilitation but through his time obtaining a B.S. Exercise Science degree from Georgia State University he soon learned what he wanted to pursue. Being a naturally compassionate and commutative individual he pursued a profession in physical therapy and is currently specializing in sports rehabilitation.

Sam Pricer
Head Trainer

Sam started playing competitively in bowling and tee-ball leagues at the age of four. Since then, he has competed in baseball, bowling, basketball, soccer, and volleyball while growing up in the Bay Area. After high school, Sam started to coach the men’s volleyball team as the JV and Varsity coach over the next four years. He also worked as a physical therapy aide, which began his knowledge in helping people recover from injuries. At the age of 22, Sam decided to join the United States Marine Corps. From 2011 – 2021 he trained Marines to be able to meet the physical demands and standards that were set by the Marine Corps. During his active-duty years Sam continuously received physical fitness awards from his command. In 2015, Sam’s interest in the gym started to grow as he sought new ways to challenge himself. Since 2018 Sam has been plant based and with his knowledge of fitness, he helped younger Marines achieve their health and fitness goals. This led Sam to develop the urge to want to help more people reach all their goals as well. In 2022, Sam earned his Certified Personal Trainer Certificate from the National Academy of Sports Medicine (NASM). With the knowledge that he has learned from NASM, he has been able to reach new personal records in increasing his overall strength and performance.

Veronika Spalekova
Personal Trainer

Veronika is a former civil engineer pursuing a career in physical therapy. She’s also an avid athlete, who competed in various events like triathlons as well as ultra running.

Veronika didn’t grow up in an athletic family but she was always finding her way to be active. In her 30’s when she became a mom, she found her way to
fitness and running. After struggling with knee pain, she also became a swimmer. Since she was already biking it did not take much to connect all 3 sports! She started working her way to conquer an IRONMAN and she was encountering more and more injuries.

As an athlete and coach, Veronika decided to become a physical therapist, where she could help her athletes and herself understand the mechanics of injuries our bodies sustain and provide herself and her athletes with means to stay active and injury free. She also wants to educate more people how to connect dots between being fast, strong, and without pain.

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Jose Duenas
Physical Therapy Intern

Jose Dueñas is a student physical therapist from the joint program between UCSF and SFSU. A
child of Salvadoran immigrants who is originally from South Central, Los Angeles. He has seen
firsthand the impact medically underserved areas have on their populations. Once Jose
discovered physical therapy, he tried to advocate for his profession amongst populations unaware of its benefits. His physical therapy journey started with graduating from UCSB with a B.S. in biology while volunteering at Cottage Rehabilitation Hospital, a renowned neurological
facility. After graduating he moved back to Los Angeles and worked as a physical therapy aide
for three years at an orthopedic clinic while receiving his M.S., from GCU in biology. He is eager
to continue learning as much as possible and serving underserved communities in the future. In
his free time, Jose enjoys playing guitar, listening to music, playing soccer, and spending time
with his grandparents and friends.

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Peter Dorricott
Physical Therapy Intern

Peter Dorricott is a physical therapy student entering his third and final year at USC. Born and raised in the Bay Area, Peter sustained a number of knee injuries playing basketball which kept him in physical therapy for 3 years. During this time, he fell in love with human anatomy and realized the impact that physical therapists can have on people’s lives. After getting his bachelor’s degree in Human Physiology from the University of Oregon, Peter moved back to the Bay Area where he worked as a PT aide for 2 years prior to attending USC’s PT program.


Peter’s passion is treating orthopedic injuries in any body region, as this is what he hopes to specialize in. On top of orthopedic PT, he also has an interest in treating neurological and cardiovascular conditions. Peter emphasizes the importance of maintaining an active lifestyle and views the relationship with his patients as a 50-50 partnership where they work together to develop goals and a plan of care that is valuable and specific for each patient. In his free time, Peter enjoys playing basketball, hiking, binging TV shows, and spending time with friends and family.

Joseph Aguilera
Personal Trainer Intern

Joseph is currently a third year exercise physiology student at Chico State University. He’s have played competitive club sports my whole life, specifically baseball at the high school and some collegiate level.

He was born and raised in Sunnyvale, California.

The bridge between sports and medicine has always interest. High school injuries to his shoulder led him to getting his own personal therapy from COR. The rehabilitation and progress he’s made to continue on after the injury motivated him to pursue a potential career in this field.

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Ebony Robinson
Billing & Office Manager

Ebony grew up in the Bay Area with her mother and sisters. Alongside her family, she spent her time singing, dancing, skating, baking, and performing at fairs. Ebony enjoys focusing on her education and spending time with her nieces and nephews. She studied at Heald College in Computer Business Administration.

While Ebony became more involved with the medical field, she discovered the beauty of massage and its benefits. As she wanted to do more, she dove into the massage therapy course, at the National Holistic Institute in San Jose. With her massage practice, she continues to work towards learning more and pursuing her certification in becoming a Doula.

Ebony has worked in many fields, from sales to marketing, nursing homes, and now finding a home here at COR as our Billing & Office Manager. She works to help others understand their policies and feel comfortable with the knowledge of their financial options to work towards the recovery they need and deserve.

Greg Gimenez, MT
Greg Gimenez
Massage Therapist

Greg Gimenez grew up in California and has been active his entire life. He grew up playing multiple sports, focusing on football and wrestling. He then took up many other activities, focusing on powerlifting and outrigger canoeing.

While Greg was training powerlifters and other athletes, he discovered the importance of recovery and massage. At this time, he dove into massage therapy, receiving Honors at the National Holistic Institute Advanced Neuromuscular Therapy program. With his massage practice, Greg uses a variety of techniques, which include, but aren’t limited to deep tissue massage, trigger point, sports massage, pre/post-event massage, Shiatsu, Lymphatic drainage, and many others.

Greg has worked with numerous elite strength and power athletes, MMA competitors, Canoers/Kayakers, SUP paddlers, swimmers, and many more!

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Cody Chang
Massage Therapist

Cody Chang has immigrated to California for more than ten years. He usually likes mountain climbing activities and a regular lifestyle to keep himself active, and at the same time help others achieve the ultimate goal of life, which is good health.

 he often watches health channels to acquire useful knowledge, and at the same time find various suitable treatment options for integration and application.
He hopes treatment can benefit more people and let more people know about COR.
Ally Zara
Ally Zara
Front Desk

Ally was born in Hawaii but moved to the bay area when she was 2 years old! She was raised in the bay area and loved it ever since. She’s currently going to De Anza majoring in accounting following in her family’s footsteps. When Ally is out and about, she’ll be hiking or finding new adventures with her white Labrador Retriever puppy! Though, Ally also doesn’t mind having a lazy day baking for her friends and family. She also loves going out to the snow, and snowboarding up in Big bear when the weather is right!

Sarahi Mesa
Front Desk

Sarah has lived in the bay area for many years, she graduated from Carrington College as a Medical Assistant both in medical and administrative. She fell in love with the healthcare field after attending a course in occupational therapy during her senior year in high school. Sarah is a friendly and caring person, who loves to put a smile on your face.

In her free time, Sarah loves crafting, watching football, spending time with her family, and going bike riding with her husband and their two boys. Sarah is the biggest Disneyland fan, if she had to choose a vacation place that is where she would go in a heartbeat.

Breelyn Wilcox
Front Desk

Bree grew up in the Bay Area and studied Theatre Arts at Gavilan College. She’s been doing musical theatre since 1st grade and has been in 15 live productions! She also studied music for many years and learned to play 7 different instruments. Before coming to COR, Bree worked as an animal care specialist for fish, birds, and reptiles. She loves watching hockey and is a huge fan of the San Jose Sharks! In her free time, Bree enjoys painting, cooking, and spending time with her 2 cats.



  • Strong interpersonal and communication skills.
  • Elite manual therapy skills.
  • Diverse skillset.


  • Certificate in personal training (NSCA or CSCS perferred).
  • Strong networking skills.
  • Driven for excellence.


  • Strong manipulatory skills.
  • Growth mindset.
  • Desire to work with different professionals.

Front Desk

  • Ability to multitask.
  • Very organized.
  • Excellent communicator.