Our Clinicians
Brad is an Iowa native who also spent time growing up in Colorado. He graduated from Wartburg College in Waverly, Iowa with a degree in biology and then obtained a Masters in Physical Therapy from Washington University School of Medicine in St. Louis. In 1997, he established Rebound as a sole practitioner. Brad has served as a biomechanical and injury prevention consultant to: Colorado State University Men’s Golf (since 1999), men’s basketball, volleyball, Kansas University Men’s Golf, Brooks Beasts Professional Running Team, Fort Collins High School Cross Country, and many local club sports teams. He has worked with Olympic athletes in swimming, running and equestrian as well as golfers on the Korn-Ferry, PGA, and Champions Tours. He is very proud of the team that has been assembled at Rebound, allowing for expansion to three clinics and more than 20 therapists. Outside of the clinic, Brad enjoys golfing, trail running, cycling and skiing.
Casey is a true northern Colorado native. She graduated from Colorado State University (Go Rams!) with a degree in Exercise & Sport Science and then attended Regis University in Denver, graduating with a master’s degree in Physical Therapy in 1999.
Casey first joined Rebound in September of 2000. She specializes in pediatric and adolescent sports medicine and works closely with many local gymnasts on maximizing function and reducing overuse injuries. She became a Sports Certified Specialist in 2009 through the American Board of Physical Therapy Specialties. In 2011, she became Rebound’s general manager and has enjoyed splitting her time between the clinical aspects and business aspects of the practice.
Casey and her husband Mike have an awesome son Jack and the 3 of them love cheering on the Colorado State Rams, Colorado Rockies, and Denver Broncos! They all love riding bikes and are often found playing volleyball on the various courts in Fort Collins.
Jon Hartwick graduated from Colorado State University with a degree in Exercise and Sports Science in 1994. He then continued on to Regis University where he graduated with a Master of Science degree in Physical Therapy. After completing his final clinical affiliation at Rebound he joined as a staff therapist in January 1999.
Jon’s extensive continuing education has included a certification in Functional Dry Needling since 2012. Certifications in Mechanical Diagnosis and Therapy from the McKenzie Institute USA, Polestar Rehabilitative Pilates and Kinesiotaping have also been earned. Extensive education and utilization of the methods of Postural Restoration are a staple of his practice. His main goal is to translate this extensive training and experience in spine disorders, core strengthening and hip, shoulder, knee dysfunctions to his patients so that they are empowered to reduce their pain, restore function and prevent injury.
In Jon’s spare time he enjoys Spartan Races and trail running. He is an avid fly fisherman, sportsman and March Madness fanatic!
Karen was raised in Ft Collins and received her Bachelor degree in Kinesiology and Athletic Training from the University of Northern Colorado in Greeley. After working at various high schools and an outpatient physical therapy clinic as a Certified Athletic Trainer in Greeley and Loveland, Karen returned to school and received her Doctorate in Physical Therapy from the University of Colorado Denver in 2009. Karen practiced in a private, outpatient Sports Medicine clinic for 6 years prior to joining Rebound Sports & Physical Therapy where she treated many conditions including back and neck pain, headaches, athletic injuries, and pre- and post-operative conditions.
Karen utilizes many Postural Restoration Institute™ techniques to treat patients of all ages and activity levels to help them attain their movement goals and return them to their desired daily and athletic activities. Karen is Level 1 certified in Functional Dry Needling through Kinetacore and enjoys utilizing these techniques to assist in the overall care of her patients. In addition to her physical therapy training and experience and her many years as a Certified Athletic Trainer, Karen recognizes the importance of returning individuals to their desired sport and activity as soon as possible.
In her spare time, Karen enjoys spending time in the mountains hiking, camping, fishing, and snowshoeing with her husband, 2 beautiful and crazy daughters and their very energetic dog.
Mission Statement-
I feel that in order for a patient to achieve maximum improvement with physical therapy, a good understanding of what is causing the problem is needed. My goal is to not only educate each patient, but make sure that there is good understanding of what has caused the problem and why/how we are going to work together to help resume all previous and desired activities.
Ambrey graduated from Texas State University in 2009 with her master’s degree in Physical Therapy. She worked in East Texas practicing in orthopedics for 12 years working with patients of all ages to help them recover from injuries and surgeries to get them back to their sports and recreational activities. In the fall of 2021, she and her family relocated to Northern Colorado and found her new home with the Rebound Team.
Ambrey is originally from Texas and, up until her move to Colorado, she raised goats, chickens and cows on her hobby farm in addition to being a PT. Since moving to Colorado, she’s appreciated the change in scenery and has come to love the mountains. She enjoys hiking and camping with her husband and son on the weekends and is always on the lookout for the next adventure!
Justus is a native of Milo, Iowa, and attended undergrad at the University of Northern Iowa where he majored in Exercise Science. He received his Doctorate in Physical Therapy from Des Moines University. Justus has always loved being involved with sports, from playing multiple sports in high school to coaching football and volunteering as a strength and conditioning coach. He has a passion for helping athletes return from injury and improve performance. He treats all musculoskeletal conditions but has a strong interest in shoulder/knee injuries, sports injuries, and post-operative rehab. Justus obtained his Level 1 Dry Needling Certification in 2023.
Outside of work, Justus enjoys biking, golfing, skiing, and watching sports. Justus lives in Fort Collins with his wife Aubri and their yellow lab Bella. They enjoy hiking, camping, going to breweries, and watching Iowa State sporting events.
Catherine is an Ohio native, receiving her Doctorate in Physical Therapy in 2025 from the University of Cincinnati. For her undergraduate degree, she attended The Ohio State University, majoring in Health Sciences. Catherine has a special place in her heart for pediatric patients, volunteering with adaptive children’s sports such as hiking, skiing, and cycling as well as coaching youth volleyball. She is currently working towards attaining her level 1 Dry Needling Certification.
Laura attended the University of Wyoming where she earned her Bachelor of Science degree in Kinesiology. She moved across the country in 2020 to attend Johnson & Wales University in Rhode Island, where she graduated with a doctoral degree in Occupational Therapy in 2023. Being originally from Wyoming, she made her way back west to Colorado after grad school with a strong interest in working with upper extremity injuries and neurological conditions. She is currently working towards earning her Certified Hand Therapist (CHT) certification. Laura has been living in Colorado and has been a member of the Rebound team since 2023.
Outside of Rebound, Laura loves exploring new areas around Wyoming and Colorado with her husband, Dylan and their German Shepherds, Maya and Coba. Laura has coached volleyball at Norco and also enjoys being outside slacklining, paddleboarding, camping, and playing pickleball. Laura loves all things Harry Potter and enjoys checking out local breweries.
Eliza graduated from Roane State Community College in Tennessee where she received her Physical Therapist Assistant degree in 2019. Since graduating, she has worked in Outpatient Physical Therapy settings and enjoys gaining experience and improving her clinical knowledge. Eliza is a recent Coloradoan and became a member of the Rebound team in July of 2022 where she has neem assisting her coworkers in treatments and overall patient care.
Eliza was born in San Diego, CA but has spent the last 13 years in Easy Tennessee before moving to Colorado. Although she misses the Great Smoky Mountains, she loves being close to the beautiful Rocky Mountains. On the weekends Eliza enjoys exploring Northern Colorado with her husband, taking her puppy “Penny” on walks, and attending college football games in the fall (Go Rams!).
Bill had lived in Fort Collins for the past forty years, graduating from Colorado State University with a Bachelor of Science degree in Physical Education and a Master’s degree in Educational Leadership. Bill taught in the Poudre School District for 31 years at Wellington, Boltz and Kinard middle schools. During his career in PSD, Bill coached wrestling, football, softball, golf and track & field. He currently officiates wrestling and volleyball.
Bill and his wife Sandy have two grown children, Parker (Annie) and Hannah (Spencer), who have gifted them with two granddaughters, Fiona and Charlotte.
Bill has enjoyed working with elite athletes and in helping ‘self-perceived’ non-athletes discover their physical potential. At Rebound, Bill can continue his coaching career, leading people of all ages to greater fitness and health.
Our Administrative Staff
Jill has been with Rebound since 1997 and has done just about every job there is to do at the clinic. Her current position as Operations Manager is the perfect fit for her personality. She enjoys interacting with Rebound’s clientele and excels at making sure the clinic is operating at the highest standards professionally. Having a Bachelors degree in Kinesiology from the University of Northern Colorado is an excellent complement and gives her a unique advantage when ensuring that patients receive world class treatment while at Rebound.
She is a Colorado native and enjoys living along the Front Range. She loves traveling, reading, knitting, watching sports, and the company of family and friends. Her favorite spot in this world is any beach in Kauai with a good book.
Tracy Tuxhorn Pinch is a Loveland native and joined Rebound in 2008. She has a wealth of experience in customer relations and personal service. She loves the opportunity to interact with patients of all ages and is excited to see the progress they make. Tracy enjoys spending time with family and friends, motorcycle riding, cooking, shopping, and traveling.
Abi was born and raised in a small town in Iowa. She grew up taking family vacations to Colorado every summer, and decided to move here in 2004. She only joined Rebound in April 2016, but has been in customer service in the medical field for the last ten years. She loves her new job and all the smiling faces!
Abi enjoys watching St. Louis Cardinals baseball, Iowa Hawkeyes football, reading, music, playing euchre, and socializing with friends.
Kat first became involved with rehabilitation in 2015 as an intern at her local Sportsplex. In 2019, she graduated from Auburn University with her bachelor’s degree in Kinesiology and a minor in Psychology. Following her education, Kat spend her time as a 200hr registered yoga instructor. She and her husband moved to Colorado in the summer of 2020 with their cat (Minerva) and two dogs (Loki and Theo). She joined the Rebound team in July of 2021as part of the admin team. In her spare time, Kat enjoys practicing yoga, hiking, playing piano, sewing, and drawing. She has a passion and dedication for the adaptive community and strives to become more involved with prosthetic design and accessibility.
Marissa moved to Fort Collins in 2020 after graduating with her BS degree in Exercise Science, Fitness and Performance from Georgia College & State University in Milledgeville, Georgia. She started on the Rebound team as an aide at the beginning of 2021 and has since transitioned to the administrative team in the role of administrative branding coordinator.
Outside of the clinic, Marissa can be found coaching local high school athletes as an athletic performance and strength coach. She also enjoys exploring CO with her husband, Brad and their dog, “Gnarly” and many activities including running, skateboarding, snowboarding, and anything arts & crafts.
