MEET THE POSITIVE PT STAFF
Jason Whitman DPT
Dr. Jason Whitman received a doctorate in physical therapy from USC, the number one ranked physical therapy program in the nation. He grew up in the Miracle Mile district of Los Angeles, where he attended Loyola High School. After high school, Jason decided to stay in Los Angeles and attend Loyola Marymount University where he received a Bachelors degree in Science for Pre-Physical Therapy with honors. While at LMU, Jason had the unique opportunity of working as an athletic trainer for the Dallas Cowboys. Since graduating from USC with a doctoral degree, Jason has worked at various outpatient orthopedic clinics where he has gained valuable experience. Jason excels in all aspects of manual therapy and exercise. In his free time, Jason is an avid outdoorsman and participates in many different sports and training activities.
Jennifer Rivas-Guillen DPT
Dr. Jennifer Rivas received her doctorate in physical therapy from the University of Southern California. She grew up in the San Fernando Valley where she attended Reseda High School. Jennifer received her bachelor’s degree in Kinesiology with an emphasis in Pre-Physical Therapy from Whittier College. Throughout her four years at Whittier, she ran cross country and track & field. While at Whittier she participated in numerous intramural sports, clubs and honor societies. She also worked in the athletic training room as a student athletic trainer and interned with the Los Angeles Sparks under the supervision of director of sports medicine and head athletic trainer. Following this experience, she was accepted and completed a doctoral degree in Physical Therapy from the number one ranked PT program in the nation, USC. Jennifer enjoys spending time with her family, playing with her dog, hiking, running and going to the beach.
Jennifer Venegas DPT, OCS
Dr. Jennifer Venegas graduated from University of Southern California with her Doctorate in Physical Therapy. After physical therapy school, she was accepted into USC’s prestigious Orthopedic Physical Therapy Residency Program. During this residency she taught first year doctorate students, participating in research for foot and ankle pathologies along with being able to work alongside surgeons at the Kerlan Jobe Santa Monica Orthopedic Group. Jennifer is a licensed and board certified Orthopedic Clinical Specialist. She currently teaches first year students as a faculty member at USC DPT program along with working at Positive PT. Jennifer grew up in the San Fernando Valley where she attended Birmingham High School and completed her bachelor’s degree in Kinesiology with an emphasis in Exercise Science from California State University, Northridge. Jennifer enjoys going to sporting events, running, being outdoors and spending time with friends and family.
Sabir Greenwell DPT, OCS
Dr. Sabir Greenwell received his doctorate in Physical Therapy from USC. He later completed his residency at USC in orthopedics where he treated a wide variety of patients from medically complex to elite athletes. . During his residency he was able to teach in USC’s DPT program and continues to do so to this day.
Sabir is an orthopedic clinical specialist (OCS) and mentor in the USC Orthopedic Residency. He is originally from San Diego and graduated undergraduate school from UC Irvine with a degree in biological sciences. In his down time he enjoys keeping up to date on current research in the field, spending time with his wife, trying new arts and crafts, playing tennis, and practicing Brazilian Jiu Jitsu.
Joshua Kim DPT
Dr. Joshua Kim received his doctorate in physical therapy from the University of Southern California. He made the cross-town rivalry switch over to USC from the University of California Los Angeles where he earned his Bachelor of Science degree in psychobiology. While at UCLA, he had the unique opportunity to work as a student athletic trainer for the women’s indoor and beach volleyball team, as well as the baseball team. Prior to attending UCLA for undergrad, Josh grew up south of the Bay Area in lovely San Jose, CA, where he was first introduced to physical therapy from the various injuries sustained from playing volleyball and basketball year-round. Since then, he has fallen in love with the sport of golf, which led him to become certified through the Titleist Performance Institute as a Medical Provider, which is used to assess a player’s swing characteristics based off a physical readiness screen. In his free time, he loves working on his golf game, volunteering in any capacity, watching (and trying to play) any and all sports, spending time at the beach and trying new restaurants in Los Angeles.
Sara Maredia DPT
Dr. Sara Maredia received her doctorate in physical therapy from the University of Southern California where she gained her experience in working with a vast variety of patient populations. Before that, she attended The University of Texas at Austin where she earned her Bachelor of Science in Kinesiology. During her time at USC, she gained experience in treating baseball athletes, water polo athletes, and many other orthopedic conditions involving the shoulders, knees, low back, neck and general strengthening in the older population. Sara grew up in Houston where she spent many of her earlier years in track and field. She enjoys spending her time trying new foods/desserts, lifting, running, and anything that will get her outdoors.
Samuel Doong DPT
Dr. Samuel Doong graduated from Northwestern University with his Doctorate in Physical Therapy. He grew up in the Southern California region and attended the University of California, Irvine where he received a Bachelors in Cognitive Sciences. From his time at Northwestern University, he has developed a special interest in treating chronic/acute neck, shoulder, back, and knee pains, post op joint replacements, and sports related injuries. In his free time, he enjoys trying new restaurants, running, playing basketball, and live music.
Lindsay Zweben DPT
Dr. Lindsay Zweben received her doctorate in physical therapy from the University of Southern California and earned her Bachelor of Science degree in kinesiology at the University of San Francisco. While at USC, she had the opportunity to work with Dr. Todd Ellenbecker, who specializes in treating patients with upper extremity conditions. She spent this time working with professional baseball, volleyball, and tennis players, as well as working with patients who underwent shoulder replacements and rotator cuff repairs. Lindsay grew up in San Francisco, where she played basketball, soccer, and lacrosse in high school and learned to surf, snowboard, and play tennis as well. In her free time, she enjoys playing guitar, going to concerts, watching sports (especially tennis) and is always on the lookout for new coffee spots in LA.