Meet Our Swim Staff

Kevin Vallario has been a part of the USA National aquatic scene for up to two decades and is a USA Swim Coach. Started summer league swimming at the age of 5 and continued swimming year-round to improve skills. Kevin rose through the ranks of high school swimming and was awarded an athletic scholarship to North Carolina State University. He is a "lifelong swimmer," and has worked with various teams & different ages from 3-month toddlers - 80+ seniors, disabled, triathletes, National & Olympic Trial qualifiers. Kevin is excited to work with anyone to achieve their personal swimming aspirations at QOSTC!

Aaron was drawn to the water at a young age and won the Beijing Middle School Swimming Championship for 4 consecutive years. While in college, studying for his Master’s in Sports Industry Management at Georgetown University, Aaron won various college rowing competitions and was a 3x time winner in the Beijing Flag American Football Championship held by the NFL in China. Aaron fully understands how to help students improve their swimming skills, because he has 30+ years of sports experience. He enjoys working with students from the ages of 3 yr. – 70+ seniors love swimming and sports in an all-round way. Aaron wants everyone to improve their health and fitness at QOSTC! 

Diwen joined QOSTC as a swim instructor earlier this year (2023) and loves to work with young kids and teens to improve their swimming skills. He started his swim training under the guide of professionals in China at the age of 7, and has continued swimming ever since. Diwen has a Master's degree in Sports Management from Georgetown University. He believes sport is an excellent platform to teach discipline, integrity and perseverance to younger generations and wants to help his student not only as a swimmer but as a person. He is excited to work with anyone who wants to embrace the art of swimming.