Sophie Wiles, PT/DPT, Clinic Director
Sophie graduated from Presbyterian College with a Bachelor of Science degree. She then earned her Doctorate of Physical Therapy from the University of South Carolina. She has always had a special place in her heart for the pediatric population and gained experience with pediatric physical therapy throughout her clinical rotations. Since graduating, Sophie has been working in pediatrics in a variety of settings (clinic, daycare, and in home). In her free time, Sophie loves hiking, running, and exploring new places with her husband and sweet pup, as well as spending time with her family and friends. She is a Columbia native and loves cheering on the Gamecocks!
Lisa Weaver, Patient Care Coordinator
Hi, my name is Lisa Weaver, and I am honored to be with Team Therapy again after moving back to Fort Jackson from Fort Belvoir, VA. I am an Army Chaplain wife, the mother of two grown sons, and my latest title is grandma. I received my Bachelor of Science in Interdisciplinary Studies (Business and Education) from Liberty University in 2014. I am so excited to be the Patient Care Coordinator. I have absolutely loved reconnecting with the children and family members from my time here before and am looking forward to meeting new friends as well. As the Patient Care Coordinator I am dedicated to supporting and implementing our goal of encouraging collaboration between children’s families and the therapists, teachers, and other professionals involved in their care while making a positive impact on families and the Columbia community. Lisa has been back with Team Therapy since June 2021 and was here for 4 years before that. It’s great to have her back!
Leslie M. McKenzie, MSP, CCC-SLP
Leslie (founder) graduated from Clemson University with a Bachelor of Arts degree in Elementary Education and earned her Masters in Speech-Language Pathology from the University of South Carolina. She founded Team Therapy in November 2009 with hopes of creating a family-centered practice that focuses on parent-driven goals and the success of children in their natural environments. Leslie loves spending time with her family and taking fun outdoor trips. She has recent training in the development of social skills, management of meltdowns, and pediatric trauma, and she especially enjoys feeding therapy and working with communication devices.
Michelle Robertson, Administrative Specialist
Michelle graduated from Texas A&M University with a Bachelor of Arts in Environmental Design. She worked as an administrative assistant at Temple Baptist Church in Ruston, LA for 18 years. Michelle began working for Team Therapy in April of 2018. Michelle and her husband have two boys and two beautiful grandchildren. She enjoys traveling, spending time with family, exploring the outdoors, and facetiming with her grandchildren
Kaylyn Mitchell, Administrative Specialist
Kaylyn, a native of the Columbia area, brings over 15 years of dedicated experience in the childcare field to Team Therapy. Her career has been deeply rewarding, built upon forming genuine bonds with families and actively supporting children as they learn and grow. She is passionate about creating a supportive and nurturing environment for everyone who walks through our doors. At home, Kaylyn is a proud mom to two sweet children she adores spending time with. Her family loves getting outside, being creative, and participating in community events. In her free time, you can find Kaylyn making art, playing basketball, or exploring new recipes. She is so happy to be part of the Team!
Tonya Johnson, OTR/L
Tonya graduated from the Medical University of South Carolina with a degree in Occupational Therapy in 1994. She has worked with children in outpatient, home, and educational settings. She has completed the 8 week training in Bobath/Neuro-Developmental Treatment for children with cerebral palsy, and in 2000, she became certified to administer and interpret the Sensory Integration and Praxis Test (SIPT). Tonya also is certified for the fitting of SAEBOflex splint for upper extremity recovery following stroke. She has additional training to facilitate the use of sensory diets, the Alert Program, Astronaut Training, and Therapeutic Listening. In her spare time, Tonya enjoys watching college football, baking cakes and pies, and spending time with her family and dogs. Tonya has been working with Team Therapy since August 2011!
Rachel Watson, OTR/L
Rachel has been working with Team Therapy since March of 2017. She graduated from Milligan College with her Bachelor of Science in Human Performance and Exercise Science in 2012. She then went on to obtain a Master of Science in Occupational Therapy degree from Milligan College in 2014. Rachel has worked with a variety of pediatric patients, particularly children with autism, in the private practice setting since 2015 and loves the joy and energy that working with the pediatric population brings to her life. Rachel is passionate about facilitating children’s development through play and has recently completed trainings in Therapeutic Listening and self-regulation strategies for children with autism, ADHD, and sensory disorders. In her free time, Rachel enjoys playing the drums, hiking and exploring outdoors, and spending time with family and friends.
Mary Holland Regenovich, OTR/L, SIPT
Mary Holland Regenovich graduated from Wofford College with a Bachelor’s degree in Psychology. She then graduated from MUSC with a Master’s degree in Occupational Therapy. Mary Holland has worked in various pediatric settings including clinics, hospitals, and schools. She is SIPT certified and has done additional training to facilitate the use of the Astronaut Training and the Therapeutic Listening programs. Mary Holland loves spending time with her family, taking vacations to the mountains, and playing tennis.
Rachel Bowling, OTR/L
Rachel earned my Bachelor of Science in Exercise Science from the University of South Carolina in 2023 and went on to complete my Master of Science in Occupational Therapy at Lenoir-Rhyne University in 2025. My passion for working with children began during my time as a camp counselor, where I had the opportunity to support kids of all ages and backgrounds and discovered a love for helping others reach their goals. This interest continued to grow through shadowing experiences, internships, and pediatric fieldwork completed during my undergraduate and graduate studies. Outside of work, I enjoy spending time with friends and family, taking walks, cooking and baking, and relaxing at the beach.
Caley Donaldson, OTR/L
Caley earned her Bachelor’s degree in Health Science and Biology at Frostburg State University and went on to complete her Master’s degree in Occupational Therapy at Lenoir-Rhyne University. She has a passion for working in pediatrics and enjoys the fun, engaging atmosphere while helping children build foundational skills that support lifelong learning. Caley values collaborating with families to support meaningful goals that carry over into daily routines. Outside of work, Caley enjoys spending time with her family, gardening, cooking, baking, and relaxing with her two dogs.
Mary Huth, MS, CFY-SLP
Mary earned her Bachelor of Arts in Public Health from the University of South Carolina in 2023 and went on to receive her Master of Science in Speech-Language Pathology from the Medical University of South Carolina in 2025. With a lifelong love for working with children, Mary discovered a deep passion for supporting kids and their families during her graduate studies. Her final externship at Team Therapy provided invaluable hands-on experience and mentorship, further strengthening her clinical skills and commitment to the field. Outside of work, Mary enjoys reading, spending time at the beach, traveling, and making memories with her family and friends.
Kathleen Whelan, MSP, CCC-SLP
Kathleen graduated from the University of South Carolina with a Bachelor and a Masters degree in Elementary Education. After teaching a variety of elementary grades, Kathleen received her Masters in Speech Language Pathology from Florida State University. Before joining Team Therapy, she worked with pediatric patients with a variety of speech and language disorders in the home health setting. Kathleen has completed continuing education classes on Childhood Apraxia of Speech, Picture Exchange Communication Systems, and pediatric feeding. Kathleen enjoys college tailgating, spending time with her two sons (especially at the beach), and playing with her goldendoodle puppy, Maisie.
Caroline H. Hill, MSP, CCC-SLP
Caroline graduated from Furman University with a Bachelor of Arts degree and a double major in Education and Religion in 2015. She then went on to receive her Master’s degree in Speech Pathology from the University of South Carolina. Caroline completed a specialization track while in graduate school to work with individuals with hearing loss. Caroline has worked in the pediatric setting since graduating from USC in 2017 and enjoys leading social groups, pursuing AAC devices for patients, working with children of all ages, and connecting with families to encourage speech and language development. In her spare time, Caroline enjoys spending time with her husband, her new baby boy, her family (including Ms. Britt!), and her dog. Caroline loves taking weekend trips to the beach or mountains and enjoying the beauty of both places!
Elizabeth “Bunny” D. Monahan, M.S. CCC-SLP
Elizabeth, known as Bunny, graduated from The University of Mississippi in Oxford, MS with a Bachelor of Science in Communication Sciences and Disorders in 2019. Following this, she received her Master’s degree in Communication Sciences and Disorders from Georgia Southern University in Savannah, Georgia in 2021. Since graduating, Bunny has earned her CCC’s through ASHA and developed interests in the following areas: pediatric feeding, early language development, AAC device usage, and phonological disorders. At home, Bunny enjoys spending time with her family, being outdoors, and cooking new recipes. She is very excited to join Team Therapy!
Katie Croft, MSP CCC-SLP
Katie graduated from Valdosta State University in 2015 with her bachelors degree in Communication Sciences and Disorders. She then graduated with her masters degree in Communication Sciences and Disorders in 2019. Since then, she has worked at a private practice, elementary and middle schools, and worked in teletherapy for schools. She has a love for working with kids! She is happy to be a part of our team!
Kristen Hanna, SLPA
Kristen graduated from Columbia College with a Bachelor of Arts degree majoring in Speech-Language Pathology and minoring in Early Childhood Education. Kristen plans to achieve her Master’s Degree in Speech-Language Pathology very soon! Kristen has gained a great deal of experience in her clinical internships treating children of all ages and abilities in a clinic and school setting. She has also earned 10 years of work experience with children ranging from birth to 14 years of age as a camp counselor, preschool teacher and special education preschool teacher. Kristen loves being an SLPA and finds it so rewarding to work with children and their families who bring so much joy and fulfillment to her life. Little people are her people! Kristen loves to facilitate learning through positive relationships and play. She enjoys being a part of children’s growth as they achieve speech-language milestones that help them become successful communicators! When children are in her care, she is committed to doing everything within her skill sets to help support their educational journey. Outside of therapy, Kristen enjoys snuggling up with her dogs, reading a good book, crocheting, adventuring, and spending time with her friends and family.
Carolena Cardona, SLPA
Carolena first attended Orangeburg-Calhoun Technical College and earned an Associates Degree in Paralegal. After her son was born, she went back to school to pursue a degree in healthcare. She graduated in 2023 with a Bachelor of Arts degree in Speech-Language Pathology from Columbia-College. She is eager to further her education and plans to apply to graduate school soon. In the past, she has had experience working as a preschool teacher at Orangeburg Prep Child Development Center and experience in a private practice during clinical rotations. Her current areas of interest are working with children that have Autism Spectrum Disorder and language delays. Outside of work she enjoys spending time with her toddler son and boyfriend. She considers herself a “foodie” and is always on the lookout for a local gem to dine in and loves to travel. She is THRILLED to be a part of Team Therapy and make a positive impact in the lives of so many sweet and wonderful children!
Caitlin Pfeiffer, M.S. CCC-SLP
Caitlin studied psychology in undergrad and then graduated from Idaho State University with a master’s degree in Communication Sciences and Disorders in 2015. She has worked in a variety of private pediatric clinics and enjoys working closely with families and fellow therapists to ensure each child is receiving the best care and support. Caitlin enjoys working with all types of kiddos, especially early language learners and loves to focus on pre-literacy/ literacy skills in sessions. In her off time, she enjoys homeschooling her three children and spending time exploring nature or traveling with her husband, kiddos, and dog.
Rebecca Friedman, MA, CCC-SLP
Rebecca graduated from the College of Charleston in 2017 with a Bachelor of Arts in Public Health. In 2022, she earned a Master of Arts in Speech Pathology and Audiology from South Carolina State University. Since then, Rebecca has specialized in pediatric care and completed TOTS: Tethered Oral Tissues Specialty Training. She is passionate about helping patients achieve their speech, language, and feeding goals while supporting caregivers. Outside of work, Rebecca enjoys spending time with her family and traveling. She is thrilled to join Team Therapy and looks forward to working with you!
Rebecca Bragdon, MSP, CCC-SLP
“Becky” graduated from Clemson University with a Bachelor of Arts degree in Elementary Education. After working as an Early Interventionist and a special education preschool teacher, Becky earned her Masters of Speech Language Pathology degree from the University of South Carolina. Becky has experience working in pediatric outpatient clinics, hospitals, schools, and home health. She is also certified in Beckman oral-motor techniques. In her off-time, Becky enjoys spending time with her friends and family, listening to music, reading, playing with her dogs, and eating any food she doesn’t have to cook!
Valerie McDonald, MSP, CCC-SLP
Valerie graduated with a Bachelor of Arts degree in Speech Correction from Columbia College and earned a Master’s of Speech Pathology at the University of South Carolina. Before joining Team Therapy, Valerie worked primarily in the public schools with children of all ages who had speech and language delays and disorders. She also has experience in other settings such as early intervention, private therapy, home health and skilled nursing facilities. Her interests and experience in the speech therapy field include speech sound disorders, receptive and expressive language deficits, autism and fluency disorders. Outside of therapy, Valerie enjoys nature, gardening, music, reading, traveling near and far and cooking. She also prioritizes spending time with her family, friends and cat.
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