Meet Our Team
Dr Kathryn Mars PT, DPT, CAPP-OB
Meet Dr. Katie Mars – Co-Owner of Resolute Physical Therapy & Expert in Sports Rehab, Injury Prevention, Pregnancy/Postpartum Care, and Osteoporosis Management
Dr. Katie Mars is a passionate physical therapist, co-owner of Resolute Physical Therapy, and a former 3-sport athlete who truly understands the challenges of staying active while recovering from injury. After experiencing her own share of sports injuries, Dr. Katie was inspired to pursue a career in physical therapy, focusing on sports rehab, injury prevention, and movement optimization for athletes of all ages and activity levels.
As a recreational CrossFitter and mom of two, Dr. Katie is deeply committed to staying active and healthy through all stages of life. Her personal experience with pregnancy and postpartum recovery led her to specialize in pregnancy and postpartum orthopedic conditions. After the birth of her first child, Dr. Katie sought out advanced training in birth education and postpartum recovery. She’s now one of the few physical therapists in New York State to earn the prestigious CAPP-OB certification (Certified in Pregnancy and Postpartum Physical Therapy), making her uniquely qualified to help women navigate the challenges of pregnancy, childbirth, and recovery.
Dr. Katie also leads a well-researched Weightlifting for Osteoporosis program, designed to help individuals manage and improve bone density through safe, effective, and evidence-based resistance training. She specializes in conservative management of osteoporosis, using weightlifting techniques to strengthen bones, improve posture, and reduce the risk of fractures. This program is ideal for individuals looking to take a proactive approach to managing osteoporosis and maintaining long-term skeletal health.
Her approach is both compassionate and evidence-based, combining hands-on therapy with functional exercises to help her patients achieve their goals—whether it’s recovering from an injury, improving mobility, managing osteoporosis, or optimizing performance. Dr. Katie believes that movement is key to overall health and wellness, and she’s committed to making sure each of her patients feels confident and empowered in their bodies.
Dr. Katie is dedicated to helping women stay healthy and strong throughout pregnancy, with services that include:
Pregnancy exercise prescription to keep you active and healthy
Education on smoother labor and delivery for both you and your partner
Postpartum recovery support, helping you regain strength and mobility
Personalized rehabilitation for post-surgical patients
Outside of the clinic, you can find Dr. Katie pushing herself at the gym, spending quality time with her family, and enjoying the great outdoors. Whether you're an athlete recovering from a sports injury, a mom-to-be, someone managing osteoporosis, or just someone looking to optimize your movement, Dr. Katie has the expertise and experience to guide you every step of the way.
Ready to get back to doing what you love, pain-free? Schedule an appointment with Dr. Katie today and take the first step toward better movement, recovery, and overall wellness!
Dr Robert Rehberger PT, DPT, OCS
Meet Dr. Robert Rehberger – Co-Owner of Resolute Physical Therapy & Board-Certified Orthopedic Specialist
Dr. Robert is a highly skilled physical therapist and co-owner of Resolute Physical Therapy, with a passion for helping individuals of all ages and activity levels recover from injury and optimize their movement. Dr. Robert has built an impressive career as a Board-Certified Orthopedic Specialist (OCS), specializing in the treatment of orthopedic injuries, sports rehabilitation, and spine care. His extensive training and advanced certifications make him a sought-after expert in the field of physical therapy.
He completed a prestigious Spine Fellowship at Cayuga Medical Center in Ithaca, NY, and is one of only a few physical therapists in the country to hold this certification. Dr. Robert has also worked with athletes at Cornell University and Ithaca College, offering specialized care for sports injuries, post-operative recovery, and performance optimization.
His advanced certifications include:
ACL injury rehab
vestibular rehabilitation
Management of Fitness Athletes
Dr. Robert also works with active individuals, including weightlifters and those recovering from surgery, offering personalized care to help them recover and prevent future injuries.
An active weightlifter and former powerlifter, Dr. Robert brings his own experience in sports to every patient interaction. Whether you're an athlete recovering from injury or someone looking to improve mobility, he combines evidence-based techniques and hands-on care to help you achieve your goals.
Outside of the clinic, Dr. Robert enjoys hiking with his wife, son, and two dogs, as well as playing softball and enjoying his favorite sushi.
Ready to start your recovery journey? Schedule an appointment with Dr. Robert today and take the first step toward better movement and overall wellness!
Dr Jaclyn Sullivan PT, DPT
Meet Dr. Jaclyn Sullivan – Co-Owner of Resolute Physical Therapy & Expert in Women’s Health, Osteoporosis Management, and Active Lifestyle
Dr. Jaclyn is a skilled physical therapist and co-owner of Resolute Physical Therapy, with a strong passion for women’s health, osteoporosis management, and helping individuals maintain an active lifestyle. Over the past several years, Jaclyn has worked with both adult and adolescent populations, gaining a diverse background in orthopedic care, injury rehabilitation, and clinic management.
Jaclyn’s personal experience as a competitive figure skater, track and field athlete, and CrossFit enthusiast has deepened her understanding of sports injuries and the rehabilitation needs of active individuals. She combines this hands-on experience with a compassionate, patient-centered approach to help her clients reach their fullest potential.
A major focus of Jaclyn’s practice is supporting pregnant and postpartum women through safe, effective exercise management. She specializes in helping women stay active, recover postpartum, and regain strength and mobility during all stages of motherhood. Whether you're dealing with pregnancy-related discomfort or navigating the postpartum recovery process, Jaclyn provides personalized care and expert guidance.
In addition, Jaclyn leads a Weightlifting for Osteoporosis program, designed to help individuals manage bone health through research-backed resistance training. Her work with osteoporosis management focuses on improving bone density, balance, and mobility, allowing individuals to lead healthier, more active lives.
When she’s not treating patients, Jaclyn enjoys spending time with her family, working out at the gym, and playing with her daughters. She’s committed to balancing family, fitness, and health—and helping others do the same.
If you're looking for a knowledgeable, compassionate physical therapist who specializes in women’s health, osteoporosis management, or staying active through pregnancy and postpartum, schedule an appointment with Jaclyn today!
Dr Hannah Klotz PT, DPT
Meet Dr. Hannah Klotz– Physical Therapist with a Passion for Dance, Neurological Rehab, and Helping You Move Better
Dr. Hannah is a dynamic and passionate physical therapist who loves helping her patients get back to doing what they love. Hannah has quickly become a go-to expert for a wide variety of patients—whether you're a dancer, athlete, or someone working to regain functional independence.
With a 17-year background in ballet, Hannah brings a unique understanding of movement and body mechanics, especially when it comes to helping dancers, figure skaters, swimmers, and gymnasts recover from injuries and optimize their performance. She also has a strong passion for working with the neurological population, focusing on advancing functional independence and improving quality of life for individuals with neurological conditions.
Hannah believes in an active, hands-on approach to therapy that gets her patients moving, strengthening, and improving their range of motion to help them return to the activities they love—whether it’s dancing, sports, or simply enjoying daily life. Her goal is to empower each patient to move with confidence and without pain.
When she’s not in the clinic, you can find Hannah enjoying time with her husband and two energetic huskies. She’s an avid golfer, hiker, and fitness enthusiast, and she’s never far from a good cup of coffee.
Ready to move better and feel stronger? Book an appointment with Dr. Hannah today and take the first step toward reaching your movement goals!
Our Services and Specialties
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Personalized care for sprains, strains, fractures, and joint injuries
Specialized treatment for shoulder, knee, hip, ankle, and back pain
Post-surgical rehabilitation to get you back to normal activities quickly
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Expert care for sports-related injuries, including strains, sprains, and tendonitis
Return-to-sport rehabilitation for athletes of all ages and levels
Performance optimization for athletes in sports like CrossFit, weightlifting, running, and more
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Exercise management for pregnancy to help maintain strength and mobility
Postpartum recovery: regain core strength, mobility, and function after childbirth
Pelvic health therapy to address pain, discomfort, and pelvic floor dysfunction
Support for pregnancy-related musculoskeletal issues (e.g., back pain, hip pain, and pelvic pain)
Birth education for a smoother delivery experience
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Weightlifting for osteoporosis program to improve bone density, balance, and posture
Safe, evidence-based resistance training to prevent fractures and promote bone health
Treatment and management of osteopenia and osteoporosis for improved strength and mobility
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Therapy for individuals with neurological conditions such as stroke, multiple sclerosis, Parkinson’s disease, and more
Focus on improving functional independence, strength, and mobility
Vestibular rehab to address dizziness and balance issues caused by neurological conditions
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Specialized care for dancers, including ballet, figure skaters, gymnasts, and other performing artists
Injury prevention and performance optimization for dancers and athletes in movement-intensive sports
Injury rehabilitation for common dance-related injuries such as ankle sprains, tendonitis, and hip pain
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Treatment for fall reduction in older adults and individuals at risk of falls
Balance training and strengthening exercises to improve stability and reduce fall risk
Postural correction and gait retraining for better overall mobility and safety
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Skilled hands-on techniques to relieve pain and improve joint mobility
Soft tissue mobilization, joint manipulation, and myofascial release to reduce muscle tension and improve flexibility
Instrument-Assisted Soft Tissue Mobilization (IASTM) to break down scar tissue and improve tissue healing
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Tailored functional exercise programs designed to meet your specific goals and needs
Programs for injury prevention, rehabilitation, and performance enhancement
Active therapy approach to help you regain strength, mobility, and flexibility
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Post-operative rehabilitation for orthopedic surgeries (knee, shoulder, hip, etc.)
Rehabilitation for spine surgeries, ACL reconstruction, joint replacements, and more
Recovery programs to restore function, strength, and mobility after surgery
