Westside Staff
Niel Visser, PT, DPT
Physical Therapist
Niel Visser was born and raised in South Africa. From a young age he was passionate about sports, and excelled in rugby, track and field, tennis and surfing. His love of sports, and a sustained back injury, would introduce him to physical therapy and lead him to pursue it as a career. After two years in the military and a gap year in Europe, Niel enrolled at the University of Stellenbosch, graduating in 1994 with a Bachelor of Science in Physiotherapy. Seizing an opportunity to work and travel, Niel came to the USA in 1995, and worked in various settings across the country as a PRN therapist. He gained experience working in in-patient rehab facilities, acute/sub-acute care, nursing homes, home health, outpatient orthopedics, sports medicine and work hardening. In 1999 Niel took a position in Spartanburg and became the clinical area coordinator overseeing four outpatient facilities. He co-founded Advanced Therapy Solutions, Inc. in April of 2003 and, with his business partner, Dillen Hartley, has seen their business grow from one clinic and two staff members to 5 locations and 50 employees. Niel received the Butch Buchanan Award for Clinical Excellence from SCAPTA in 2007, in recognition of his contributions and outstanding performance in the practice of physical therapy. In 2014 Niel completed his Doctorate in Physical Therapy with emphasis on Executive Practice Management through Evidence In Motion. He and his team also received the Faculty Favorite Award in the Business Plan Competition. Niel has a special interest in treating spine patients pre- and post-operatively, as well as sports injuries. He enjoys staying up to date on the latest therapy related research. When he is not at work, Niel enjoys playing racquetball, hanging out with family and friends, and following his favorite sports teams.
Jeff Leiszler, PT, SCS, ATC
Clinic Manager, Physical Therapist
Jeff Leiszler, PT, SCS, ATC, is a graduate of both Kansas State and Wichita State Universities. He is recognized as a Board Certified Sports Physical Therapist, a Certified Athletic Trainer, and a member of the Team USA Olympic Medical Network. Jeff has practiced orthopedics and sports medicine for more than 20 years and takes special interest in the wellness and care of the injured athlete. As a member of collegiate and high school athletic training staffs, he enjoys the gratification of assisting athletes of all levels in getting back to their athletic endeavors.
Devika Kumar, PT
Physical Therapist
Devika is a Spartanburg native, graduating from Dorman High School and then Wofford College. She was set on being a physician until she worked as a receptionist at a local physical therapy clinic during school and fell in love with all things physical therapy. Devika started PT school at MUSC in Charleston just two days after graduating from Wofford in 2011. She received a Doctorate in Physical Therapy in 2014. After graduating, Devika worked in an outpatient pediatric setting, first in Savannah and then in Asheville. She moved back to her home town of Spartanburg and joined Advanced Therapy Solutions in August of 2018. Devika loves being an active part of the constantly growing Spartanburg community and supporting local businesses. In her free time, she likes cooking with family and friends, catching up on all the latest shows and being outside with her dog Lucy.
Blake Givens, DPT
Physical Therapist
Blake received her undergrad from the State University of New York in Cortland, NY, with a degree in Physical Education in 2005. After graduation she accepted a position as an aquatic director in the recreation department for the City of Myrtle Beach, SC. Blake held this position for 8 years before returning to school to pursue the advanced degree of Doctor of Physical Therapy from the University of St. Augustine in St. Augustine, FL. Blake graduated in 2015 and joined Advanced Therapy Solutions in 2016. She enjoys working in the outpatient environment and has a passion for aquatic therapy. Blake enjoys being active and spending time with her family.
Kyla Hill, PT, DPT
Physical Therapist
Kyla is originally from Columbus, Ohio. However, her undergraduate degree brought her down to University of South Carolina in 2017 to receive her bachelor’s degree in Exercise Science, with a minor in Psychology. She then circled back to Ohio, attending University of Dayton to earn her Doctor of Physical Therapy title in May of 2024. After finishing her final clinical at ATS Greenville, she moved down to Greenville with her fiancé and soon joined the ATS team in August of 2024. She now works twice a week at the Spartanburg Pediatric clinic and twice a week in Spartanburg outpatient orthopedic clinic. She loves working with patients all along life’s spectrum to help them achieve the best version of themselves! In her free time, you may find her walking or running around the Swamp Rabbit Trail, at Yee-Haw Brewery watching the Gamecocks and Buckeyes games with friends or browsing the endless aisles of Costco for samples and unnecessary home goods!
Lisa Landen, PTA
Physical Therapist Assistant
Lisa Landen earned her Associate in Applied Science with a major in Physical Therapist Assistant in 2011. Upon graduation, she was presented with the Clinical Excellence Award for outstanding clinical performance. Lisa spent her first year in skilled nursing before joining Advanced Therapy Solutions in 2013. She enjoys the outpatient field of therapy and sharing the patient’s enthusiasm as they make progress toward their goals. When Lisa is not at work, she is working hard keeping up with her energetic family. Always on the go, a typical day varies from helping a patient restore motion, strength and balance to playing ball, helping with homework and hanging out with friends and family.
Erin Lowe, PTA
Physical Therapy Assistant
Erin Lowe graduated from Greenville Technical College with and Associates Degree in Health Applied Sciences with focus in Physical Therapist Assistant in November of 2006. Erin also received a Bachelor’s Degree in History with Minor in Political Science from University of South Carolina. Erin has worked in physical therapy for 17 years, ranging from outpatient orthopedics to outpatient pediatrics, nursing home setting and acute care settings. Erin enjoys being a mom to her amazing son, a member of her church, enjoys playing disc golf and being active in the community.
Lena Visser
Lena graduated from the University of Stellenbosch, South Africa, with a Bachelor of Arts degree, and earned a post-graduate diploma from AAA School of Advertising in Cape Town in 1994. She joined her husband, Niel, in the United States in 1995, and together they traveled extensively before settling down in Spartanburg. She worked in the public relations industry for several years before officially joining the ATS team in 2008. Lena manages Accounts Payable and Human Resources for the company. She loves spending time with her husband and two sons, listening to music, reading and traveling when time affords it.
Becky Cash
Intake Coordinator
Becky Lowe joined ATS in December of 2016 as Intake Coordinator at the Spartanburg Westside facility. She graduated from Virginia College with an Associate’s Degree in Applied Science for Medical Office Administration. Becky was on the President’s List and inducted into the National Honors Society. She is also a member of the National Society of Leadership and Success. Becky is mom to two daughters, Jocelyn and Jasmine. In her free time she enjoys movies with her two princesses, and listening to music.
Karla Jordan
Billing Director
Karla joined ATS Westside location as the Billing Director in January 2020. Karla has an extensive background in medical billing with over 15 years’ experience in the field with concentration in revenue cycle management. She was born & raised in Spartanburg; her hobbies include taking walks with her two spoiled dogs Jax & Gracie and spending time with her family & friends.
Kelly Cockrell
Billing Assistant
Kelly Cockrell joined ATS in October of 2016 as Billing Assistant at the Spartanburg Westside facility. She graduated September 2015, from Virginia College of Spartanburg with a Certificate in Medical Billing and Coding. Kelly was on the President’s list from August 2013 to September 2015. Her hobbies are reading and shopping. She hopes to one day travel to Europe, in the meantime she and her husband love to travel here in the U.S. She loves spending all her free time with her husband, daughter and of course her beloved dog, Odie.
