Meet Our Staff

Joseph Zeleznock

MSPT, Owner/Operator

Joe is owner and operator of FitLife, as well as a Licensed Physical Therapist. Joe received his Bachelor's Degree from the University of Massachusetts at Amherst in Exercise Physiology. After graduation, he gained experience as an exercise physiologist in numerous outpatient physical therapy settings. From these experiences, his passion grew to open his own center that would provide comprehensive care for the patient and fitness member alike. He later moved to Pennsylvania and completed his Master's Degree in Physical Therapy from Neumann College. Throughout graduate school, Joe managed a wellness center which afforded him the opportunity to gain experience operating a full wellness center including fitness, aquatics and rehabilitation. Joe remains passionate about opening many FitLife facilities which include both fitness and rehabilitation under one roof, guided by highly trained staff while providing the best in customer service. 

Emily Conrad

PT, DPT, PT Clinic Director

*Bio and photo coming soon!

Kathryn Holz

PT, DPT

Kat attended Duquesne University in Pittsburgh, where she dual majored in Biology and Health Sciences. Kat also earned her Doctorate in Physical Therapy from Duquesne, where she started a club to re-home gently used assistive devices to those in need. Kat is certified in LSVT for the treatment of Parkinson's, but her ultimate passion is pelvic health and pelvic health education. She recently returned to the Philadelphia area following graduation and is excited to join the Mt. Airy community. Outside of the clinic, Kat enjoys hiking, thrifting, and listening to live music.

Zong Sheng Tan

PT, DPT

Zong Sheng Tan (Jack) is a physical therapist with a passion for helping people of all ages recover, perform, and thrive. He graduated Summa Cum Laude from Stockton University with a degree in Biology in 2020 before earning his Doctor of Physical Therapy degree from Boston University in 2024. His education and training blend a strong scientific foundation with a deep commitment to patient-centered care. Jack spent his early formative years in Singapore, where he developed a unique global perspective on healthcare and culture. During this time, he also served in the mandatory Singapore Armed Forces for 2 years, an experience that instilled in him the value of discipline, teamwork, and resilience - principles he now applies in his clinical practice. Having play rugby in high school, Jack knows firsthand the importance of injury prevention, strength training, and recovery. He has worked with a wide variety of patients, from post-surgical individuals to athletes aiming to optimize performance. His approach is rooted in evidence-based practice and a compassionate style that makes rehab feel like a partnership. Outside of the clinic, Jack is an active member of the Pennsylvania Dragonboat Club, where he trains and competes in this dynamic, team-oriented sport. He also volunteers as a screener for the Philadelphia Asian American Film Festival, combining his passion for the arts with his commitment to giving back to the community. Having recently reloacted to the area and eager to explore all it has to offer, Jack is open to recommendations for local attractions, dining spots, or unique activities. Any suggestions would be greatly appreciated!

Ethan Dupre

PT, DPT

*Bio and photo coming soon!

Tyra Woods

Physical Therapist Assistant/Personal Trainer

Tyra earned her Bachelor of Science Degree from Hampton University in May 2019. Following graduation, she began her career in physical medicine as a Physical Therapy Rehab Technician at a local nursing home and rehabilitation center in the West Philadelphia area. She later decided to further her education at Harcum College, earning her Physical Therapist Assistant Degree in May 2022. During her time at Harcum, she became an active member of the American Physical Therapy Association where she served as the Northeast Region Student Liaison in 2021. Tyra has over 18 years of dance experience and pre-professional ballet training, studying under multiple profound dance companies such as School of Dance Arts, Philadanco, The Philadelphia Ballet, Joffrey Ballet School, Alvin Ailey American Dance Theatre and Hampton University's Terpsichorean Dance Company. She has a passion for muscle recovery techniques and assisting her patients in their journey to restoring functional movement independence. In 2021, Tyra was inspired by her own fitness journey to help others reach their own goals through personal training. She is eager to create customized personal training programs for members in FitLife's fitness center! Contact her to schedule your session! Tyra is a zealous dog lover and enjoys dog sitting in her free time, as well as going to the gym and indulging in DIY home improvement projects.

Zia Nicholson

Exercise Physiologist

*Bio and photo coming soon!