A collaborative community providing education and opportunity to driven athletes
As the first facility in San Diego catered specifically to baseball and softball athletes, Symbiotic promotes education and personal development for athletes of all ages. Our collaborative approach and commitment to individualized programing means that each athlete is as beneficial to the community as our members of staff. We learn through the process of sharing, and use this shared knowledge to achieve greater results.
Originally founded in 2017, Symbiotic is a collective of diverse backgrounds, skillsets, and modalities. Founding client Joe Musgrove has played an integral part in shaping the company from the beginning, and now Joe and Jono have teamed up to launch the Miramar facility. Having worked together for over nine years, Joe and Jono have experienced just about every aspect of the game together, steadily building knowledge along the way – and now they’re ready to share it with the San Diego community.
"Over the course of my 12+ years in professional baseball, one thing I've learned is that you can't do it alone. Building an experienced and dedicated team of people around you is key to overcoming the obstacles that the game puts in front of you. I want to share this community and experience with the athletes of San Diego. Symbiotic is a place where you can gain access to the things that professionals do on a daily basis to maintain their physical and mental edge – A place where you can do your physical therapy, workout, and recovery, all under one roof.
Joe Musgrove, Owner
A brand new facility designed specifically for baseball and softball athletes
At 8,400 sq. ft., Symbiotic Training Center is equipped with 100 ft. of turf area for sprinting and throwing, a 4,500 sq. ft. training floor, ample natural lighting, and an indoor pitching mound with data analytics so athletes can pitch year-round. The center includes a variety of recovery equipment and modalities, including physical therapy, cold plunge and contrast therapy by Edge Theory Labs, and a Normatec/Hyperice recovery room.
MEET THE TEAM
Jono Green
FOUNDER & CEO
With almost two decades of experience training athletes of all ages, Jono’s expertise has led him to be a sought after sports performance coach in the San Diego area. As a Certified Strength and Conditioning Coach he is Co-Founder and Program Director for Symbiotic Training Center. Jono has trained and continues to work with many high level athletes from Olympians, World Series Champions, and All-Stars. His continued education and innovative training techniques have become the backbone of Symbiotic’s high performance training model.
Joe Musgrove
OWNER
Drafted in the first round by the Toronto Blue Jays out of Grossmont high school in 2011, Joe worked his way up through the minor league system of the Houston Astros where he went on to win a World Series Championship. After playing for the Pittsburgh Pirates, Joe was traded to his home team, San Diego Padres, in 2021, where he would throw the organization’s first and only No Hitter. Joe was named an MLB All-Star in 2022. Alongside his baseball accolades, Joe is well known for his community involvement and charitable contributions as noted by his 2021 nomination for the Roberto Clemente Award.
Dr. Ashley Maher
OWNER, PERFORMANCE THERAPIST, PT, DPT
Dr. Ashley Maher completed her undergraduate studies at California State University Fullerton, with her Bachelor of Science in Kinesiology in 2009. Thereafter, Ashley attended Azusa Pacific University, where she received her Doctorate in Physical Therapy in 2013. Dr. Maher has continued her education and taken many continuing education courses from the Institute of Physical Arts, Olga Grimsby Institute, Dynamic Neuromuscular stabilization (DNS), Movement fix, Mulligan, Postural Restoration Institute (PRI) Pelvis and Baseball, Integrated Kinetic Neurology, SFMA, open packed spinal manipulation, and is SFMA certified.
Dr. Richelle Rock
PERFORMANCE THERAPIST, PT, DPT
Dr. Richelle Rock received her B.A. in Political Science and minor in Biology and pre-Physical Therapy at University of Portland in 2015 and went on to receive her Doctorate of Physical Therapy at Azusa Pacific University in 2021. Richelle specializes in treating patients through means of Applied Functional Science (AFS) as she utilizes 3D functional movement in combination with body work and manual therapy to help her patients achieve their goals holistically. By treating through the AFS lens, Richelle offers an individualized approach to functional rehabilitation, injury-prevention, and performance optimization.
Sophia Phillips
OFFICE MANAGER
Sophia is a dedicated professional driven by a genuine love for sports, fitness, and wellness. A proud San Diego native, she developed a passion for athletics early on, particularly through her involvement in softball during her formative years. In 2019, Sophia earned her Bachelor of Science in Kinesiology with a concentration in Exercise Science from Cal Poly, San Luis Obispo, and has actively contributed to the fitness and health industry since.
Ali Aguilar
BRAND AMBASSADOR
Ali Aguilar is a softball athlete who graduated from the University of Washington in 2017. After a successful collegiate career, she took her talents overseas, playing in the Japan Softball League from 2018 to 2019. In 2021, Aguilar represented the United States at the Tokyo Olympics, where she helped the team secure a silver medal. She has continued to excel professionally in the United States, solidifying her status as a top-tier softball player.
Mark Seyler
TRAINER
From Agoura Hills, CA, Mark played college baseball at San Diego State University where he completed his bachelor’s degree. At SDSU, he was named Mountain West Pitcher of the week multiple times and resulted in a First Team All Conference nomination and Conference Tournament team his junior year. Mark was drafted in the 19th round to the New York Yankees in 2015. After playing multiple seasons of professional independent baseball in the American Association, Mark transitioned his career towards coaching with an emphasis on long term, sustained success rather than quick fixes.
Alexia Harlow
TRAINER
Alexia is a 2025 graduate from Point Loma Nazarene University with a B.S. in Applied Health Science. As a San Diego native, she grew up watching the Padres and has developed a deep commitment to helping baseball athletes stay healthy and perform at their best. With experience in baseball analytics at PLNU and a long-term goal of becoming a physical therapist, Alexia is dedicated to player development and long-term health to optimize athletic performance.
Jeff Rosenthal
TRAINER
Jeff, a Helix High (2008) and San Diego State (2013) grad, earned his bachelor’s in Kinesiology and CSCS certification in 2013. With over 10 years of experience as a strength coach and personal trainer, he’s worked with athletes and everyday clients alike—from youth to elite athletes, and clients aged 16 to 90+. Jeff believes everyone can benefit from training like an athlete and is excited to be back in San Diego, growing with the team at Symbiotic.
Nate Dunford
TRAINER, DIRECTOR OF INTERNSHIPS
A graduate of Mt. Carmel High School (2015), Nate earned his bachelor’s in Exercise Science from Willamette University and a master’s in Kinesiology from A.T. Still University (2023). He holds NSCA CSCS (2024) and FRCms Level 1 (2025) certifications. A collegiate football and rugby player, Nate’s first love was baseball, and he hopes to give back to the sport that gave him so much. While athletic performance is his focus, his deeper motivation is helping athletes grow as both players and people.
Theo
DIRECTOR OF BARKETING
LET'S GET STARTED.