About Us

about jon harris wichita master physical therapist

Jonathan Harris, PT, FAAOMPT



Jon completed his undergraduate education at Newman University with a Biology degree in 2003. Jon earned his Master of Physical Therapy in 2005 at Wichita State University. Following graduation, Jon completed his board certification in orthopedic physical therapy, and he completed his manual therapy fellowship with the Manual Therapy Institute in San Marcos, TX. He is a Fellow of the American Academy of Orthopedic Manual Physical Therapists. His professional memberships include the American Physical Therapy Association, the Kansas Physical Therapy Association, and the American Academy of Orthopedic Manual Physical Therapists.

Fun Facts

Jon checked running the Boston Marathon off his bucket list with a 3:06:06 finish
Jon was the captain of the Newman University soccer team. He played a role in multiple conference championships, regional championships, and two-time National Tournament appearing teams, including a final eight appearance.
When not in the clinic, you can find Jon at the soccer fields or futsal courts. He has coached teams to a multitude of championships, including a hat-trick of regional futsal championships, and three National tournament appearances, including a final four appearance.
Jon has developed five players that have gone on to sign with Sporting Kansas City’s professional MLS youth academy, including one player in the U.S. Youth National Futsal team.

about mark gaddis wichita physical therapist

Mark Gaddis, PT, FAAOMPT, CSCS



Mark completed his Bachelor’s Degree in Science from Fort Hays State University in 1997, followed by his Master of Physical Therapy from Wichita State University in 2000, Mark earned his Certified Strength and Conditioning Specialist certification from the National Strength and Conditioning Association in 1999. He has also completed coursework in manual therapy through the Manual Therapy Institute in San Marcos, Texas and is a Fellow of the American Academy of Orthopedic Manual Physical Therapists. Mark’s professional memberships include the American Physical Therapy Association, the Kansas Physical Therapy Association, and the American Academy of Orthopedic Manual Physical Therapist.

Mark has consistently contributed to the community by coaching football and basketball from the youth level to the high school level over the last 20+ years. In his spare time he enjoys spending time with family, working out, and living an active lifestyle.

Keenan Dung Bio DPT wichita

Keenan Dung, DPT



Keenan is a powerlifting coach and a competitive powerlifter. Throughout his career, he has coached over 100 lifters, including over a dozen who have reached the national level, three who have become national champions, and one who has won a world title. USA Powerlifting’s Arnold Sports Festival, Raw Nationals, and Collegiate Nationals have been a regular highlight in his competing career.

Keenan traded the deep blue oceans of Honolulu, Hawaii for the golden prairies of Wichita, Kansas. Originally from Honolulu, Hawaii, he slowly migrated east across the globe until settling in Wichita. He enjoys eating ice cream and watching Netflix when he is not coaching powerlifting or working in the clinic.

Ashton Reichmann Wichita Physical Therapist

Ashton Reichmann, PT, DPT, CSCS




Ashton obtained his Bachelor’s degree in science from Emporia State University in 2013, followed by his Doctor of Physical Therapy degree from Wichita State University in 2018. Ashton has been certified by the NSCA as a strength and conditioning specialist since 2015.

Fun Facts

Ashton’s favorite thing to do is spend time with his wife, son, and two dogs. In his spare time, Ashton enjoys working out, reading, listening to music, and good whiskey.
jennifer jones wichita ks physical therapy group

Jennifer Jones

wendy williamson wichita ks personal trainer

Wendy Williamson, PhD; CMES-ACE, NASM, RNT


  • PhD, Health and Human Performance: Exercise Science. Oklahoma State University, 2008
  • ACE Certified Medical Exercise Specialist [CMES-ACE]
  • Corrective Exercise Specialist [CES-NASM]
  • Certified Functional Aging Specialist [CFAS-FAI]
  • Reebok Reactive Neuromuscular Training [RNT] Specialist
  • Personal Trainer, American Council on Exercise [CPT-ACE]
  • Personal Trainer: National Academ of Sports Medicine [CPT-NASM]
  • ACE Advanced Health & Fitness Specialist: Chapter author: Posture and Movement, 2008
  • 2005, 2006 ACE Achievement Awards

Introducing Williamson Wellness

Dr. Williamson, Professional Fitness Coach, specializes in post-rehabilitation training for individuals recovering from injury and illness, those experiencing musculo-skeletal (orthopedic) injury and illness, neurological conditions (including Parkinson’s disease), lower back pain and sciatica.

During your visit, your medical history will be reviewed and a basic fitness assessment will be performed. A medical release from your health care provider may be required in certain situations.

Dr. Williamson is located at 3 different locations and will collaborate with you to determine which location will best serve your needs.