Fitness Instructors

Fitness Instructors

ISA believes in quality when it comes to selection of our fitness instructors. With years of experience in the Sports and Fitness Industry, we assure top standards in both theory knowledge and practical skills. This ensures that all our students are taught by experts of the very industry that they will set foot in.

  • Dominic Ang

    CPT (ACE) | Fitness Trainer | Voice Coach

    “Equal opportunities, equal education” - this is Dominic’s teaching philosophy. He believes that everyone deserves a substantial education and sees great value in equipping his students with knowledge. He teaches with vigor, enthusiasm, and professional while always catering to the needs of his students.

    During his pursuit of an honors degree in Philosophy in New Zealand, Dominic picked up exercise such as gym and zumba as a way to keep healthy and occupied. Also having lived in “Middle Earth” for five years, he spent much of his free time hiking and traversing the countryside. His passion for fitness eventually led him to become an ACE-certified personal trainer and he now hopes to guide and nurture individuals who wish to embark along the same path.

    Dominic is also a fitness trainer at the SAFRA EnergyOne gyms and owns a sole proprietorship “DANG”, which caters for public speaking coaching and events emceeing. Combining his firsthand experiences at the gym along with an engaging and purposeful delivery style, he strives to make learning easy and relatable for everyone. Dominic’s friendly and outgoing personality is well loved by his students.

    Fun fact: Dominic adheres to a strict self-care routine. Apart from working out four times weekly, personal hygiene and appearance are also among his top priorities. “If you can spend that much time and money taking care of your muscles, surely you can do the same for the rest of your body”.

  • Hong Yiying

    Ph. D. | CSCS (NSCA) | CPT (ACE)

    Yiying is a Strength and Conditioning Specialist under NSCA, Master Functional Trainer under FTI, fitness personal trainer under ACE, and a registered Muay Thai coach under the National Registry of Coaches (NROC). She is the founder of Everlearn Academy with services ranging from fitness training, martial art coaching to academic services.

    Previously a research scientist in chemistry, Yiying is especially keen on exploring the science of sports coaching, strength and conditioning, and nutrition. She is passionate about helping people keep fit and stay safe. She believes that exercise and martial art are for everyone, not just the fittest. That’s why she started Everfit Singapore with the mission to empower everyday people to adopt an active lifestyle and become a positive influencer to the world. In 2017, she went to the remote countryside of northwestern China as a volunteer to teach underprivileged kids self-defense skills and physical exercises, as well as first aid and science.

    Hailing from China, Yiying has long been fascinated by martial arts since a young age and has trained in San Da, self-defense, Modern Street Combatives, Catch Wrestling and Muay Thai. She has been trained by the legendary Muay Thai Master Thohsaphon Sitiwatjana (a.k.a. Master Toddy) and was certified by MTIA (Muay Thai International Association) and Thai Ministry of Education as a Kru instructor. She is a martial art instructor at Kapap Academy. She is also a certified instructor of firearm tactical shooting and is joining the SAF Volunteer Corp.

  • Jacquelynne Tan

    CPT (ACE) | Strength Coach | Triathlon | Surfing | Rock Climbing

    Commonly known as Jacq to friends, Jacq has always been an avid athlete, competitor and sport adrenaline junkie. Since school, Jacq has been Sports Captain of the track and field team, once part of the Singapore 4x100m team A-division record holder and a 100m sprint A-Division National team qualifier. That is the beginning of a lifetime of being active – as an adventure racer, half marathoner, triathlete, rock climber and a surfer. After 16 years on a global trotting corporate career in Hong Kong, Dubai, Switzerland and Thailand, she finally returned home to Singapore in 2016 for good.

    Since then, Jacq has been certified as the American Council of Exercise (ACE) Certified Personal Trainer, Functional Training Institute (FTI) Kettlebell Level 1 and 2, Metafit (AUS) High Intensity Interval (HIIT) and is associate teacher at the International Sports Academy (ISA) in Singapore since 2018.

    In 2020, Jacquelynne finally took the leap to leave the corporate world and become a full time Fitness entrepreneur. She is known for her weekend getaways under her business, Rock.Surf.Chill Inc that organises quick trips to neighbouring countries to learn outdoor rock climbing and surfing.

    After being ACE certified in 2017, Jacq has been part of ISA teaching crew that continues to promote the certification and education of enthusiastic fitness and personal trainers. Today she is a Strength Coach for triathletes as well as conduct “Not-for-fainthearted” outdoor HIIT Bootcamp sessions for hyper fit warriors and is better known as Coach “BlackJacq”.

    Jacq is also the Strength coach at Singapore’s Athlete’s Lab where she runs Strength sessions, namely her functional specialisation as a Kettlebell Coach as well as the BlackJacq series of Kettlebell Core, HIIT, Primal Yogi flow and Mobility sessions.

    Fun fact: Jacq indulges in Pork Knuckle, HokkienMee, Durian – her philosophy is just work it off after!

  • Nicholas Choy

    Emergency Medical Specialist | CPT (ACE) | CHC (ACE) | EIMS (ACSM)

    Nicholas is paramedic and educator with 8 years of clinical experience in prehospital, trauma life support and exercise medicine.

    As a fitness specialist, he is passionate about helping families use exercise as a modality to improve and prevent chronic diseases such as diabetes, high blood pressure and depression.

    Since 2018, he has educated over 5000 people from MNC, SME, Universities/schools, healthcare and families on topics ranging from exercise medicine, mental wellness, cardiac life support, paramedicine and first aid.

  • Raymond Wang


    Raymond has a wealth of experience in the sports and fitness industry.

    Apart from obtaining his Master's and Bachelor's in Sports Science and Management from Nanyang Technological University, and a diploma in Pharmaceutical Sciences from Republic Polytechnic, Raymond is also a qualified personal trainer having obtained his certification from American Council on Exercise, as well as a qualified strength and conditioning specialist from the National Strength and Conditioning Association.

    Raymond has a great passion for learning and teaching. He also has a 2-star award in Kayaking from the Singapore Canoe Federation, making him a very well-rounded educator in the ISA. He provides much knowledge in a fun and enjoyable manner, and strongly believes in what he does, thus creating a wonderful learning experience.

  • Stephanie Chu

    CPT (ACE) | Personal Trainer | Cancer Exercise Specialist

    Stephanie is the Co-Founder and Coach of Baseline Fitness, a fitness start-up that provides home-based personal training, senior and recovery exercise programmes and corporate wellness.

    She believes that movement is essential to living an optimal, healthy life and that everyone can improve their fitness and overall well-being by participating in exercise. She also believes that anyone can start exercising at anytime in their lives regardless of their age, activity level, or previous experience with exercise.

    A certified Cancer Exercise Specialist, Stephanie is qualified to work with cancer patients and survivors to create health and fitness programs that suit their individual experiences and will improve their ability to engage in activities of daily living. She is passionate about exercise as medicine and works with various individuals recovering from illness or injury to improve their fitness and well-being.

    Stephanie is also an avid long-distance runner who has participated in events in places such as the United States, Taiwan and Laos. She loves running and believes that it is a great way for people of all ages and fitness levels to keep moving and fit.