ABOUT
Oh Chang-hyeon is a co-founder who established PAFGYM in 2010 and leads 1:1 sessions at the Seocho and Hannam studios. He earned an associate degree in health from Ansan University and a bachelor's in Social Physical Education from Chung-Ang University, holds the NSCA-CSCS, NSCA-CPT, and Sports Instructor Level 2 (Bodybuilding) certifications, and has completed the ACSM-CES course.
He led the space design when Pilates Apgujeong relocated in 2025, and took part in the business agreement between PAFGYM and Kakao Healthcare in January 2026. In interviews he has emphasized a training system that records and manages clients' progress, and he teaches sessions for weight loss and body shaping.
- B.S. in Physical Education, Division of Social Physical Education, Chung-Ang University
- Associate degree in health sciences, Ansan University
- Physical therapist license
- NSCA Certified Strength and Conditioning Specialist (NSCA-CSCS)
- NSCA Certified Personal Trainer (NSCA-CPT)
- Ministry of Culture, Sports and Tourism Sports Instructor Level 3 (Bodybuilding)
- GYMSTICK Level.1(PT, Muscle)
- CEO of PAF GYM (current)
- Former personal trainer at Joy Fitness
- Former personal trainer at Human Active
- Co-author, Ganjimom Project
- ACSM Clinical Exercise Specialist (ACSM-CES) course completed
- Completed KEMA Advance
- Completed Redondo Ball training (XCO · TOGU)
- Completed a course at the Department of Anatomy, Catholic University of Korea
- Completed Korean Red Cross First Aid and CPR course
- Wolfgang Schamberger Special Lecture: The Malalignment Syndrome
- Donald Neumann Special Lecture: Kinesiology of the Musculosketal System
- Ministry of Culture, Sports and Tourism Sports Instructor Level 2 (Bodybuilding)
- GYMSTICK Lv.1 (PT, Muscle)
Which members are a good fit for CEO Oh Chang-hyeon?
- For those who want structured 1:1 strength training with weight loss as the goal
- For those who want to refine their body line and balance more than their weight
- For those who want to be coached while consistently recording their workouts and body changes
Sessions focus on strength training for weight loss and body shaping, with an emphasis on a training system that records and manages each client's progress.
What are CEO Oh Chang-hyeon's education and certifications?
CEO Oh Chang-hyeon co-founded PAFGYM in 2010. He holds bachelor's degrees in both health sciences and physical education, and teaches 1:1 sessions at the Seocho and Hannam studios.
- Associate degree in health sciences, Ansan UniversityA degree in health sciences
- B.S. in Physical Education, Division of Community Sports, Chung-Ang UniversityA degree in physical activity for everyday life
- Physical therapist licenseA license issued by the Ministry of Health and Welfare, held as part of the instructor's background
- NSCA-CSCSA strength and conditioning specialist certification from the National Strength and Conditioning Association (NSCA), verifying the ability to design strength programs scientifically
- NSCA-CPTA personal trainer certification from the National Strength and Conditioning Association (NSCA), verifying the ability to assess and coach general clients one-on-one
- Sports Instructor Level 2 (Bodybuilding)A national qualification from the Ministry of Culture, Sports and Tourism, recognizing the ability to coach exercise centered on weight training
- ACSM Clinical Exercise Specialist (ACSM-CES) course completedAn American College of Sports Medicine (ACSM) course on applying exercise safely for people with health considerations
- GYMSTICK Lv.1(PT, Muscle)A course on coaching strength training with a bar fitted with elastic bands
How does the first session with CEO Oh Chang-hyeon begin?
Rather than starting workouts right away, PAFGYM's first three sessions are filled with consultation and assessment. We check your body with InBody, review your movement with basic exercises, and look at your endurance to set your starting point together. CEO Oh Chang-hyeon uses the first assessment numbers as a baseline, checks how your body changes as sessions continue, and adjusts the exercise plan with you.
- 서울 서초구 효령로77길 14 1층 아이원플러스 111호
- Weekdays 08:00–22:00 (earlier or later by inquiry) / Saturday by inquiry / Closed Sunday
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TRAINER
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