Jonathan Suttles, MS, PT

Jonathan Suttles, MS, PT

Jonathan Suttles, MS, PT, is the owner and founder of Argonaut Peak Physical Therapy, Inc., PS. He is a practicing physical therapist who earned an undergraduate degree at Old Dominion University in Norfolk, VA, in Sports Medicine. Following a life-long dream, he worked as a paramedic for five years, at which time he decided to further his career in medicine by pursuing physical therapy training. He received his Master’s Degree at Old Dominion University in Norfolk, VA, in Physical Therapy in 1991. He opened Argonaut Peak Physical Therapy on September 18, 2008.

Jonathan is an active member of the American Physical Therapy Association, as well as Washington State Physical Therapy Association. With over 18 years of orthopedic experience, he has multiple specialties in the areas of sports injuries, orthopedics, work simulation, work hardening, work conditioning, and physical capacity evaluations. He enjoys treating the young to the elderly. Jonathan gained expertise in sports-related injuries, as well as post-operative orthopedic cases in many different settings including private practices on the East Coast and in hospitals.

Jonathan’s passion for education inspires patients to maintain recommended exercises that are designed to speed recovery. His priority is to promote precise movements with all exercises prescribed. He wants all of his patients to be able to recover with the least amount of pain but ensure a return to a maximum level of function.

Jonathan is an avid runner and a cyclist. He believes that exercise has many health benefits and wants to be an example to his patients by running and cycling regularly. He also enjoys outdoor activities such as hiking, camping and skiing. He also serves as a deacon in his local church as well as taking the lead on managing a multi-media system during worship services.

Andrea Tierney

Andrea Tierney, DPT, MS, ATC

Andrea received her Undergraduate Degree in Sports Medicine and worked as a high school Athletic Trainer in Michigan. Shortly after that, she completed her Master’s Degree in Biomechanics and applied to Physical Therapy School where she received her Doctorate in Physical Therapy. Andrea began her career as a contract Physical Therapist where she was able to travel to various places practicing in many different settings. She has been treating patients in Ellensburg since her arrival nine years ago.

Originally from Detroit, MI, Andrea is a big city girl with a small-town heart. Her first encounter with a close-knit community was when she moved to Ellensburg. She remembers that the people of Kittitas County were very friendly upon her arrival and welcomed her as their own. Andrea is a current and active member of Kittitas County Search and Rescue where she said she, “is excited to have another opportunity to serve this community.”

Andrea’s specialties are orthopedics and sports medicine, but she is knowledgeable in treating all diagnoses. She is also experienced in analyzing movement patterns. Andrea would like to thank this community for the love and support she has received over the past nine years and she looks forward to continuing to give back through her services.


Grant Lund, DPT

Grant Lund is a physical therapist at Argonaut Peak Physical Therapy. He received his undergraduate Bachelor of Science degree in Clinical Physiology from Central Washington University in 2016 and then worked as a Physical Therapist Aide for two years. Soon after, Grant went to West Coast University in Los Angeles, California where he recently received his Doctorate in Physical Therapy.

Originally from the small-town of Bottineau, North Dakota, Grant joined his five older siblings in Ellensburg where he was able to follow his passion for health and wellness as a Wildcat. At the end of his undergraduate experience, Grant met Jonathan Suttles during a practicum and was inspired to help make a positive impact on the wellbeing of his community through physical therapy. Grant is passionate about helping his patients reach their functional goals efficiently in order for them to live life to its fullest.

Grant enjoys spending time with his family, getting out in nature, camping, hiking, backpacking, mushroom hunting, and snowboarding. He also enjoys running and exploring the vast open forests of Washington state. Grant is looking forward to continuing to learn more about his community and the unique experiences of each of his patients.


Larissa Thomas, PTA

Larissa received her Associate of Science-Physical Therapist Assistant Degree from Mt. Hood Community College in Oregon. She has worked in many different settings and enjoys working with all people to help achieve their goals and return to the things that bring them joy. As a native of the Kittitas Valley she recently moved back with her husband to raise their family in Ellensburg.

Outside of work Larissa enjoys mountain biking, camping, hiking and spending time with her husband, new baby and 5-year-old lab mix.


Jessica Oliver

Jessica Oliver is the Front Office Scheduler / Marketing Liaison for Argonaut Peak Physical Therapy. She received her Bachelor of Arts degree from University of Washington in Sociology and has worked in the healthcare and advertising industries doing marketing and administration work over the past fifteen years. She enjoys helping others and seeing patients improve at each visit.

Jessica recently moved here from Maple Valley and is enjoying the Kittitas Valley. Outside of work, Jessica enjoys spending time with her husband, two kids and her chocolate lab. They enjoying exploring the PNW by camping, hiking, backpacking, fishing, and watching her kids play sports.