Your Therapists | ThreeLakesPT 2025

Leslie Hartman, MPT | Owner, Lead Physical Therapist

Leslie first became interested in physical therapy after suffering several knee injuries while competing as an upper level equestrian in high school and college.

She studied at the University of Delaware where she earned a B.S. degree in fitness management in 1994 and then went on to study physical therapy and earn her MPT in 1997.

Her interest and history in sports naturally led her to gravitate towards sports medicine and upon graduation she moved to Baltimore and worked in several top orthopedic and sports medicine therapy clinics. She expanded her clinical knowledge through multiple continuing education courses and increased her specialty training in the area of the foot and ankle, the knee and the shoulder. As a therapist, Leslie enjoys empowering her patients to help themselves. She uses a holistic approach to enable patients to reach their goals and to restore and maintain a healthy and active lifestyle.

In March of 2013, Leslie and her family moved to Austin. When not at work, Leslie can be found playing outdoors with her husband and two kids, exploring the Austin area, walking her dog, or cycling. She loves trying Austin’s many restaurants, hiking the trails, and being on the lake.

Danielle Shotwell, DPT, OCS | Physical Therapist

Danielle obtained her undergraduate degree in Kinesiology from San Diego State University and earned her Doctorate in Physical Therapy at Chapman University in Orange County, California where she graduated with honors in 2012. There, she participated in research focused on the progression of postural abnormalities in school-aged children. She recently became a board certified Orthopedic Clinical Specialist through the American Board of Physical Therapy Specialties.

Danielle’s interest in physical therapy stemmed from a fascination with human movement which evolved over years of performing and teaching dance. She has worked primarily in outpatient orthopedic and sports medicine settings and is passionate about teaching patients how to move properly in order to unload injured tissues for return to full function. Danielle enjoys working with patients with varying pathologies and has a special interest in lower extremity alignment control and functional stabilization of the shoulder. She finds joy in encouraging patients along the path toward their goals, while using an evidence based approach to treatment.

Danielle and her husband moved to Austin from the Bay Area in 2015 and welcomed a baby girl in the summer of 2016. Outside of work, Danielle enjoys spending time with her family, exploring Austin’s restaurants and trails, participating in her church community, and paddle boarding on the lake.

Liz Sampsell, DPT | Physical Therapist

Originally from Colorado, Liz completed her Bachelor of Science in Sport and Exercise Science and Nutrition at the University of Northern Colorado in 2011. She worked in Healthcare Marketing for senior living and memory care facilities for 8 years before finally deciding to pursue being a physical therapist as a career change. Dr. Sampsell completed her Doctorate in Physical Therapy at the University of St. Augustine for Health Sciences in Austin, TX in 2022.

Liz has worked in various outpatient clinics, since then, with experience treating orthopedic, neurological, and pediatric conditions. She has a special affinity for working with those with chronic pain and incorporating pain neuroscience education into treatments. She is skilled in working with vestibular patients including those with vertigo or balance impairments, post-concussive syndrome, as well as cervical orthopedic conditions. She enjoys treating a varied orthopedic caseload and all diagnoses.

Liz chose to become a physical therapist to help people return to the activities that provide their lives with meaning and enrichment. She views her role as a physical therapist as essentially guiding people’s bodies through healing themselves. She leads with compassion and hopes to empower her patients at Three Lakes Physical Therapy

In her free time, Liz enjoys riding her bike, taking Krav Maga classes, taking dance classes, and adventuring with her dog on various jaunts around town.

Trey Trentham, DPT, OCS | Physical Therapist

Trey earned his Bachelor of Science in Kinesiology and Health from the University of Texas at Austin in 2018 and went on to complete his Doctorate of Physical Therapy at the University of St. Augustine for Health Sciences in 2022. He continued his advanced training through the Evidence in Motion Orthopaedic Residency program and became a Board Certified Orthopaedic Clinical Specialist in 2024.

As a former physical therapy aide, Trey worked closely with a team of brilliant therapists who inspired him through their mentorship, kindness, and clinical skills. That early experience shaped his approach to patient care and solidified his decision to pursue a career in physical therapy. Trey enjoys working with a wide variety of patients and conditions and takes pride in giving individuals the tools and knowledge they need to confidently manage their musculoskeletal health. He has a particular passion for helping those with chronic pain find relief through movement.

Trey was born and raised in Greenville, Texas and moved to Austin from Dallas in 2012. Since then he has built a life in central Texas, meeting his partner, getting married, buying a home, and welcoming much of his immediate family to the area. When he is not in the clinic, Trey enjoys running the Ann and Roy Butler Hike and Bike Trail, strength training, traveling with family, exploring Austin’s restaurants, and relaxing with his chihuahua Canela. He also loves movies and television, so be sure to ask him what he is currently watching.

Get to know our dedicated Patient Care Coordinators who ensure seamless care coordination for our clients.

Ana Ramirez

Ana is an Austin native who holds a Bachelor's Degree in Exercise and Sports science and has a strong appreciation for the healthcare field. She loves contributing to the smooth flow of the clinic while ensuring patients feel valued and cared for throughout their visit. Outside of work, Ana enjoys spending quality time with her friends and family. Her favorite hobbies include exercising and discovering new spots around the city.

Ashley Hammack

Ashley has a background in health and wellness and found her place on the administrative side of healthcare—where organization, communication, and patient support come together to make a difference. She enjoys being part of a team that helps people feel better, and takes pride in making each patient’s experience smooth and welcoming. When Ashley is not in the clinic, she can be found in her garden or baking sourdough from scratch.

Our Exercise Technicians