Jack Chang, a California native, has been the SAT and TOEFL instructor with Campus since 2018. He is a Columbia graduate (class of 2012), SAT/ACT perfect scorer, and test preparation expert. Jack has 4 years of full-time experience as a private tutor, test-prep coach, and classroom teacher, specializing in SAT, ACT, and TOEFL prep, as well as application essay editing and college admissions consulting. He is also an accomplished writer and author who has achieved perfect scores on the SAT, ACT, and essay sections.

In 2018, he moved to Ho Chi Minh City, and has been working full-time as a test-prep tutor, tutor representative and admissions consultant ever since. His essay editing & college advising services have helped many students get admissions offers to many top universities in the United States.

Although not classically trained in martial arts, Jack Chang has been an avid taekwondo practitioner for over 10 years. In addition, he excelled in several other mixed martial arts, including boxing, Thai muay, and judo.