Guo Kai
Swim Perfect School was inspired by Guo Kai, father of Coach Crystal, whose remarkable swimming career laid the foundation for the school’s philosophy.
A national team swimmer from 1965 to 1972, Guo Kai achieved outstanding results at the Second National Swimming Games of China and went on to coach the Shandong Provincial Swimming Team. Under his guidance, his athletes won medals in swimming, modern pentathlon, and finswimming at national, Asian, and world championships. His international coaching journey extended to Kuwait, Egypt, and Singapore, where he shared his technical mastery and love for the sport.
Inspired by her father’s legacy, Coach Crystal founded Swim Perfect School to continue his passion for excellence and discipline in the water. Through patience, encouragement, and modern coaching methods, she helps swimmers of all levels develop skill, resilience, and joy in the water.
Yi Wang
An accomplished Age Group Competitive Swimmer. Guided by Coach Guo Kai as his private coach, he began his swim journey at a tender age of 12 months old. He has represented Singapore at the SEA Age Group, ASEAN School Games Competitions with successes.
2014–2017: SNAG Championship
2021–2022: SNAG Championship
2023: SEA AGE (Indonesia)
• Silver medalist in 50m breaststroke
2024: ASEAN School Games (Vietnam)
• Silver medalists in 50m breaststroke
• Bronze medalists in 100m breaststroke
Ariel Ng
2025 Singapore Age Group Female Swimmer MVP.
2022 Singapore Age Group Female Swimmer MVP (8 years old)
An honour awarded to the swimmer with consistent excellence in results over 15 events that span 3 days of intense competition.
Guided by Coach Hin as her private coach, she began her swim journey at a tender age of 6 months old. She recently represented Singapore at the SEA Age Group Competitions.
She is the Singapore Age Group record holder for:
50m Freestyle for Age 8, 9, 10
100m Freestyle Age 10