Our Staff
Sean Seth PT, Cert. MDT
Owner and manager of Advanced Rehabilitation. An Erie native, Graduated from Daemen College in 1990 with a Bachelors Degree in Physical Therapy. His prior employment experience consisted of working at a large local hospital, private practice experience and working as a private contractor and home health therapist. In January 1998 he started Advanced Rehabilitation. Drawing from his experience and background, he has been able to develop a personal, holistic philosophy which he incorporates into the care of the patients at Advanced Rehabilitation. In September of 1998 he became a certified Mckenzie Therapist which is, an internationally recognized specialization for the treatment of spine patients.
Jeffrey Williams PT, Cert. MDT
Jeffery has been practicing in the Erie area for the last 19 years almost exclusively in an outpatient setting. He was the regional manager of eight Erie County outpatient offices for two years before joining Advanced Rehabilitation in February 2001. His clinical experience is in orthopedic and neuromuscular dysfunction including post-surgical cases, sports medicine, and arthritic care. Continuing education includes myofascial release, TMJ, and McKenzie diagnosis and treatment. In September 2004, he became a certified McKenzie therapist, which is an internationally recognized specialization for the treatment of spinal disorders.
Kelsey Harman PT, DPT
Kelsey graduated from D’Youville College with a Doctorate Degree in Physical Therapy in 2017. She joined the staff of Advanced Rehabilitation in January 2019 and is an Erie Native. Kelsey brings orthopedic and sports medicine experience to Advanced Rehabilitation. She is currently pursuing training for certification in the McKenzie method of diagnosis and treatment and she has taken Level A- Level D continuing education courses. She brings experience with Graston IASTM and cupping therapy to Advanced Rehabilitation. Kelsey also is the main Clinical Instructor of the Advanced Rehabilitation offices and has taken students from Gannon University, Slippery Rock University and Mercyhurst University.
Heather Stewart PT, MSPT
Heather graduated from Thomas Jefferson University in Philadelphia, PA in 2006. She joined the Advanced Rehabilitation team in July, 2021, with prior experience in NY, MD, and PA. She brings 15 years of experience in outpatient orthopedics, acute rehab, and the home health settings. Her experience in those areas brings a varied skill set to the Advanced Rehabilitation team. She is currently pursuing the Graston IASTM certification and plans on pursuing McKenzie certification as well.
Christy Brooks PT, MPT
Christy graduated from the University of Maryland School of Medicine, Dept. of Physical Therapy in 2000. She joins the Advanced Rehabilitation team with prior experience in Maryland, Pennsylvania and Florida. She was also a manager for a National Physical Therapy Company. Christy brings 22 years of experience in outpatient orthopedics, home health care, post-surgical rehab, inpatient skilled rehab, balance, vestibular rehab, pediatrics, arthritis care, along with manual therapy techniques such as muscle energy, Maitland and myofascial release. Her continuing education includes Maitland techniques, vestibular treatments, muscle energy techniques, balance and myofascial release.
Kendra Mitulski PTA
Kendra is a Physical Therapist Assistant (PTA) who graduated from Mercyhurst University, where she gained a solid foundation in physical therapy. Kendra is skilled in applying the McKenzie Method to treating conditions related to the spine and she plans to further pursue more training with the McKenzie Method. She also has taken multiple continuing education courses on Graston Technique and uses this in the clinic, in which she utilizes an advanced soft tissue therapy technique to effectively treat a variety of musculoskeletal injuries and conditions. Kendra brings a compassionate approach to her work, focusing on individualized care and functional outcomes.
Emily Schaaf PT, DPT
Emily graduated from Slippery Rock University with a Doctorate Degree in Physical Therapy in 2024. She joined the Advanced Rehabilitation team in May, 2024. She is currently pursuing training for certification in the McKenzie Method of diagnosis and treatment. She also specializes in vestibular and balance rehabilitation and plans to pursue LSVT BIG certification.
Jenn Edinger NCICS
Kerrigan Rathbun PT, DPT
Kerrigan graduated with her bachelor’s of science degree in athletic training from the University of Pittsburg at Bradford in 2021. She obtained her Doctorate of Physical Therapy from Gannon University in 2024. She joined the Advanced Rehabilitation team in November 2024. She plans to further her knowledge and skill set by obtaining McKenzie certification.
Michelle Kuzma PTA
Michelle graduated from Mercyhurst North East in 2007. She joined the Advanced Rehabilitation team in August 2023. Michelle has over 12 years experience providing therapeutic exercises and rehabilitation for inpatient therapy care. She has a strong knowledge of physical therapy techniques and treatment planning. She is well-versed in modifying treatment plans, tailoring therapeutic exercises, and tending to the mental and physical well-being of patients.
