Our Practice


Jill Wagner, MS, PT - Physical Therapist and Owner

Jill is the founder and director of Progressive Pediatric Therapy. She graduated from Quinnipiac College with a Bachelor of Science in Physical Therapy and Johns Hopkins University with a Masters of Education. She has been an adjunct professor at Marymount University and Northern Virginia Community College.

She has always been interested in pediatrics and has worked in the NICU, outpatient clinics and school settings before opening Progressive Pediatric Therapy in 1999. Jill has treated a wide variety of children over the span of her career as well as treated using various modalities such as aquatic therapy and hippotherapy.  Jill believes strongly in building and fostering the relationship with parents and caregivers in a loving and nurturing environment.  She is an active member in the APTA, including the Pediatrics and Private Practice sections.


Kathy Bailey, MS, PT - Physical Therapist

Kathy received her undergraduate degrees from The Catholic University of America in Washington, DC, and earned her Master’s in Physical Therapy from Marymount University in Arlington, VA.  She is a Certified Early Intervention Specialist that has worked extensively in school, clinic, and home based settings.  Kathy has worked with children of all ages with a wide variety of diagnosis including Prematurity, Torticollis, Down Syndrome, Cerebral Palsy, Apraxia, Coordination Disorders, Developmental Delay, Autism, Muscular Dystrophy, Hypo/Hypertonia, and Traumatic Brain Injury as well as diagnosis that involve primary involvements of the skeletal, muscular, and neurological systems.  Kathy’s treatment centers on maximizing each child’s potential by creating a therapeutic environment that is challenging and that will allow a child to experience success.  She states, “Every day presents us with the opportunity to help children and ourselves to become stronger, learn new skills, develop our abilities, increase independence, and improve our minds – so let’s getting after it!”

Siobhan Girdner, OTR/L - Occupational Therapist

Siobhan is a graduate of the State University of New York at Buffalo with a Bachelor of Science in Occupational Therapy. She has two decades of experience working as an occupational therapist in a variety of settings. Siobhan began her career working in pediatrics in a school-based program and then in a language development, center-based, school.

Her experience also includes work with adults in a trauma hospital in acute care, outpatient care and skilled nursing. Most recently, before returning to working with children in a clinic setting in March of 2014, she worked with infants and toddlers and their families in their homes doing early intervention.

Siobhan has received training in sensory integration, treating disorders of movement and postural control utilizing the Swiss gymnastic ball, vision therapy, myofascial release, neurodevelopmental treatment, early intervention and aquatic therapy. She completed her certification in Therapeutic Listening in July 2015 and is an active member of the American Occupational Therapy Association. Siobhan loves spending time with her husband and four children.

Annette Rice, MS, OTR/L - Occupational Therapist

Annette Rice received her undergraduate degree in Exercise Science from Harding University in Searcy, AR and her Masters in Occupational Therapy from Rush University Medical Center in Chicago, IL.

She began her career in Chicago, working in Early Intervention and in outpatient clinics before moving to Virginia in 2017. She has worked in school, clinic and home-based settings with a variety of diagnoses. While working with children, she developed a special interest in sensory processing disorders and has completed many courses covering the latest research in the diagnosis and treatment of SPD. While at Progressive Pediatrics, Annette developed a Sensory Diet Home Program, which aims to create and incorporate individualized sensory exercises into family and school routines.

Annette lives in Reston, VA with her husband and dog. She is a member of AOTA and is working towards becoming certified in the DIR/Floortime model of practice. Her goal is to see each child grow and develop to their fullest potential and lead an experience-rich childhood.

Martha Segreti, DPT, PT- Physical Therapist

Martha Segreti received her undergraduate degree from Georgetown University and her Masters in Physical Therapy from Emory University in Atlanta Ga.

She began her career at Children’s Hospital in New Orleans La where she treated children with a wide range of neurologic and orthopedic diagnosis in both inpatient and outpatient settings. She was the PT in charge of the JRA, burn, and wheelchair clinics and helped establish PT treatments in the NICU. After moving to Maryland she worked at the Children’s National Medical Center outpatient clinic in Rockville, Md. Cerebral palsy, developmental delay and orthopedics were some of the diagnosis she treated along with sports injuries and post surgery needs.

After having her third of four children she took several years off. Returning to active practice Martha worked with adults at Holy Cross Hospital and elementary school age children in the Montgomery County public school system. She also is an adjunct professor at Marymount University.


Valerie Becker-Timmons, MA CCC/SLP Speech Therapist

Valerie received her Master’s and Bachelor’s degrees from The College of New Jersey. She has over twenty years’ experience working with children with speech and language needs in both school and home settings.

She has had her Certificate of Clinical Competence from The American Speech Language and Hearing Association (ASHA) for over twenty years and is an active current member. She is a licensed speech therapist in the state of Virginia and has also been licensed and worked in Pennsylvania and New Jersey.

She currently lives in Fairfax with her husband, two sons and her two rescue cats.


Sarah Bush, DPT, PT - Physical Therapist

Sarah is a graduate of The College of William and Mary with a Bachelor of Science in Kinesiology and of Marymount University with a Doctorate of Physical Therapy.

During her studies she developed a special interest in pediatrics. Her clinical rotations emphasized orthopedics, neonatal intensive care and pediatrics in a private clinic setting. Sarah has experience treating a wide range of patients including those with brain injury, cerebral palsy, spina bifida, DCD, torticollis and other orthopedic and neurological conditions. Sarah uses various modalities and techniques to treat her patients including but not limited to kinesiotape, therapeutic exercise, manual therapy, gait training, and neuromuscular re-education.

She is an active member in the APTA, including the Pediatrics, Aquatics, Orthopedics, and Neurological sections.

Sophia Scott, DPT, PT - Physical Therapist

Sophia graduated from Marymount University in Arlington Virginia with a Master of Science in Physical Therapy in 2002.

Since that time she has had the privilege of working with babies, toddlers, older children and teens in schools, client's homes and a private clinic setting. The clients she has worked with have presented with a range of developmental delays and neurological and orthopedic challenges.

Sophia currently continues to work with infants and toddlers and children with developmental delays, physical complications associated with prematurity, hypo and hypertonia, Down syndrome, torticollis and cerebral palsy.

She also continues to work with school age children and teens with strength, balance and coordination deficits due to cerebral palsy, spina bifida, and various genetic syndromes.

In the fall of 2010, Sophia completed her Level 1 training through the American Hippotherapy Association and now practices hippotherapy at Simple Changes Therapeutic Riding Center in Lorton, Virginia.

Kristin Vardakis-Spillane, MA, ATR- ArtTherapist

Kristin Vardakis-Spillane, MA-ATR, graduated SUNY Purchase with honors. She graduated with a BA in Painting and Psychology. She then went onto NYU where she again graduated with honors, with an MA in Art Therapy.

She worked in various hospital and clinical settings in New York City such as Bellevue Hospital and NYU Medical Center. After relocating to the Washington Metro area Mrs. Vardakis-Spillane then went on to work for Fairfax County Public Schools in a special needs capacity within emotional disabilities centers as an art therapist.

She is very familiar with the county's educational IEP system. Mrs. Vardakis-Spillane lives in Fairfax County with her husband and two children.


Amy Schmitt, OTR/L - Occupational Therapist

Prior to becoming an Occupational Therapist, Amy received an Associate degree in Early Childhood Education and worked as an Infant-Toddler Coordinator, teaching infant development workshops in the Cleveland, Ohio area. She completed her OT degree at Cleveland State University 28 years ago.

Amy has worked with pediatric patients in the NICU, PICU, and Newborn Developmental Unit at a major Children’s Hospital, and in the clinic for United Cerebral Palsy. She managed OT for three school systems, addressing school related problems including handwriting, ADHD, and sensory disorders with children aged 3 to 21. Most recently she spent time working in a sensory integration clinic focusing on the foundational components of reflexes, core strength, and vestibular function.

Amy is eager to be continuing her work with children here at Progressive Pediatrics! She lives in Fairfax, VA with her husband, oldest son (a graduate of Ohio State), and youngest daughter who attends Woodson High School. Her middle daughter lives in Columbus, Ohio and is attending Ohio State University. 


Jordan Kfoury, DPT, PT - Physical Therapist

Jordan (JJ) is a graduate of the University of Southern Maine with a bachelors in Health Sciences and of Massachusetts General Hospital Institute of Health Professions with a doctorate of Physical therapy. 

JJ has always had a strong passion for working in Pediatrics. During her studies, she worked at a pediatric day school that serves children with significant and diverse disabilities, including cerebral palsy, developmental delays, and rare genetic conditions. She has experience with hippo-therapy and aquatic therapy for pediatric patients. She has also had experience working in an outpatient setting in which she saw all different ages and ranging diagnoses, where she focused on manual therapy skills and utilizing modalities such as kinesiology-taping, instrument assisted soft tissue mobilization, gait and balance specific training, along with functional movement based therapies. 

JJ is passionate about the success of her patients and seeing each patient reach great heights while maintaining a fun and encouraging environment!