Our Team

Kevin Jones

Owner, Physical Therapist

Dr. Jones earned his doctorate degree from the University of Indianapolis in 2006, and had a vision for a unique private practice from the beginning. The culmination of many years of research and experience led him to co-found Active Physical Therapy in Columbus, OH. He is currently leading the Active at Work program, assisting employers in managing injured employees and mitigating costs associated with occupational injuries. His research interests lie in the effects of psychosocial and fear-avoidance on chronic pain and disability.


In his free-time, Dr. Jones enjoys spending time with his wife and chasing around his two sons and daughter.


Email Kevin at kjones@activeptcolumbus.com

Mandi Vonderhaar

Owner, Physical Therapist

Dr. Vonderhaar began her career as a personal trainer and fitness instructor while pursuing her undergraduate degree in Exercise Science at the University of Dayton. She continued her studies at the University of Dayton in Physical Therapy school with research endeavors focused on treatment interventions for the hypermobile patient population and vestibular rehabilitation. During physical therapy school, Dr. Vonderhaar also traveled to China to experience Eastern Medicine at Nanjing Medical University. She then graduated with her Doctorate in Physical Therapy in 2011.


Dr. Vonderhaar joined the Active Physical Therapy team in 2013. She specializes in treatment of the spine, jaw, and vestibular dysfunctions. Dr. Vonderhaar has advanced training in trigger point dry needling and manual therapy techniques including joint manipulation, mobilization, and muscle energy. Dr. Vonderhaar is the Clinic Director, Clinic Coordinator of Clinical Education, and serves as a Clinical Instructor for future physical therapists.


Dr. Vonderhaar is originally from Akron, Ohio. She enjoys spending time with her husband, family, and friends, hiking, and practicing yoga.


Email Mandi at mvonderhaar@activeptcolumbus.com

John Snyder

Physical Therapist

John received his Doctor of Physical Therapy degree from the University of Pittsburgh in 2014. While in graduate school his website was named the top student physical therapy blog two years in a row and he served as the Vice President of the American Academy of Orthopedic Manual Physical Therapists (AAOMPT) Student Special Interest Group. Prior to beginning graduate school, he earned his Bachelor of Science in Applied Sciences degree from Youngstown State University where he studied Exercise Science and played ACHA Division 1 Ice Hockey.


In order to further himself as a clinician, he has also obtained board certification as an Orthopaedic Clinical Specialist and is a Certified Strength & Conditioning Specialist.


During his career, John has worked primarily in the outpatient private practice setting and specializes in the treatment of an athletic population with emphasis on hip pathology and the management of the ice hockey athlete. Due to these interests, he has developed and teaches courses nationally specific to these two topics in order to improve appropriate conservative and post-operative management of The Athlete’s Hip and The Ice Hockey Athlete.


John is originally from Powell, Ohio and currently lives in Columbus with his wife and two furry children. He grew up playing hockey in the CCYHA, EYHA, and Jr. Blue Jackets organizations and is still active in the hockey community.


Email John at jsnyder@activeptcolumbus.com

Missy Gallow

Physical Therapist

Dr. Gallow started her career in fitness as a personal trainer and group fitness instructor while attending Ohio University for her undergraduate degree in Exercise Physiology. She then continued on to the University of Dayton for her Doctorate in Physical Therapy, while continuing to personal train and graduated in 2012.


She has advanced her education with many manual therapy courses over the last 6 years, focusing on muscle energy techniques for the cervical, thoracic, lumbar spine and SI joints and soft tissue mobilizations. She also has advanced training in trigger point dry needling and recently completed Julie Wiebe’s Pelvic Floor, Core and Diaphragm course and is utilizing this knowledge to treat pregnant and postpartum women who are suffering from common gestational related pain including low back pain, incontinence, diastasis recti, pelvic pain and SI joint pain.


Dr. Gallow has grown passionate about helping women learn how to manage their changing bodies throughout their child bearing years and for many years after, whether it be getting back to running a marathon or just managing a chaotic life of lifting and toting kids around. She is from Dublin, Ohio and enjoys spending time with her husband and twin daughters, cooking, biking, doing crossfit and yoga, and being outdoors!


Email Missy at mgallow@activeptcolumbus.com

Mattie Betts

Physical Therapist

Dr Mattie received her Doctorate of Physical Therapy from the University of Dayton in 2010. Prior to this she earned her bachelors of Exercise Science from Mt Vernon Nazarene University in 2005.  During undergrad she obtained her personal training certification, and worked as a fulltime personal trainer and strength and conditioning coach for four years.  This is where her athletic background combined with her passion for fitness and human movement sparked her desire to take her career to the next level; “I wanted to help others achieve their fitness and life goals even through injury.”     She has been practicing physical therapy in orthopedics and sports medicine for the past 7 years.  Mattie’s background in sports and fitness has shaped her practice to fully understand the active population at any age or level.  Mattie has trained as a half marathoner, obstacle race athlete, and currently participates in CrossFit and practices yoga.  All these things leading to better understanding the mindset and physical requirements  of the athlete and active community.   She treats with the empathy of working through injury herself, and has years or experience in guiding others through theirs.


Mattie has obtained extensive knowledge and experience in treatments such as muscle energy techniques, trigger point dry needling, instrument assisted soft tissue manipulation and exercise prescription.  Some of her specialties include spine, pelvis and hip dysfunctions, joint replacements, ACL reconstructions and shoulder pathologies; both surgical and non-surgical.


My go to inspiration while rehabbing:  RUN when you can.  WALK when you have to.  CRAWL if you must.  Just NEVER give up.


Email Mattie at mbetts@activeptcolumbus.com

Leah Vertullo

Physical Therapist

Dr. Vertullo received her Doctorate of Physical Therapy from the University of Miami (FL) and her Bachelors of Science in Health Information Management from The Ohio State University. Her clinical experience and expertise covers a broad spectrum from vestibular rehab, pediatrics, and cardiac rehab. Community outreach and volunteer work is also a very important aspect of Leah’s career. She has participated in pro bono after hour clinics, PT day of service, and the Special Olympics. Furthermore, Leah anticipates becoming certified in dry needling early next year.


Leah approaches fitness with an open mind and non-judgmental attitude as she believes as long as you’re movin’, we’re groovin’. Whether, it’s crossfit, yoga, or running you’re into, every person of any age deserves to have a positive movement experience and she wants to help you achieve that goal.


In her free time she likes to spend time with friends and family, Uber drive and do CrossFit.


Email Leah at lvertullo@activeptcolumbus.com

Amy Meyers



Amy graduated with a B.S. in Medical Dietetics from the Ohio State University in 1992, and has had the opportunity to work in a variety of settings including hospitals, long term care facilities, physician offices, diabetes clinics, community settings as well as with the media.


Amy joined the Active Physical Therapy team in 2012. She currently provides outpatient nutrition counseling to individuals with a variety of diagnoses and nutritional goals. In 2014, she added food sensitivity testing and treatment to her practice. Amy is a Certified LEAP Therapist (CLT) and has additional training in the testing and treatment of food sensitivities using the patented Mediator Release Test (MRT). The MRT measures your body’s immune reaction to 170 different foods and chemicals. Food sensitivity is often the root cause of many inflammatory conditions. Patients suffering from migraine, fibromyalgia, IBS, Crohn’s UC and other inflammatory conditions can find significant relief by discovering their “best” foods and implementing an anti-inflammatory diet specific to their individual results.


Amy is passionate about helping her patients feel their best.  She enjoys guiding them into making food choices that benefit their health while taking into consideration their individual needs and preferences. Amy and her husband Matt have a teenage daughter and son. She spends her free time with her family and enjoys reading and furthering her knowledge in the areas of integrative nutrition and health.


Office Manager / Licensed Massage Therapist (LMT)

Kat started worked at Active Physical Therapy in 2012. Starting with the company as an Exercise Specialist after her Bachelors degree in Exercise Science, she then attended Massage Therapy school at Columbus State Community College in 2014. As a massage therapist, she performs medical massage and is passionate about relieving pain and helping patients. Kat is also your go-to for questions regarding billing, insurance, and other office related items!


When Kat isn’t at Active PT, you can find her hanging out with her husband and adorable pup, Gus. She enjoys a good run or lifting session in her garage gym, and finding new healthy recipes!


Email Kat at kprater@activeptcolumbus.com

Meg Kemerer

Patient Care Specialist

Meg Kemerer received an associates degree in Medical Administration in 2009. Prior to joining the Active PT team, she worked as an office manager at an educational learning center for kids. Meg is a former patient and currently trains at Crossfit Grandview. When she’s not at Active PT or Crossfit, you can find her spending time with her nieces and nephew (7, 4, & 2) or exploring Columbus with friends.

Meg joined Active PT in April 2018 and is excited to enhance the office experience for our wonderful patients!


Email Meg at mkemerer@activeptcolumbus.com


Clinic Therapy Dog and Door Greeter

Griffey started worked at Active Physical Therapy in 2016. Griffey takes his job very seriously with being the door greeter, unless he had a big morning and needs a nap. He loves interacting with all of Active Physical Therapy’s patients and enhancing their patient experience.


In Griffey’s free time, he likes following his human, Mandi, and taking naps.