Oh Tae Hyung is currently the CEO of VITRUV which was established in September 2013. VITRUV is founded by four alumni of Hansung Science High School and Seoul National University and is  led by Oh Tae Hyung, who majored in artificial intelligence and Financial Mathematics at Seoul National University. VITRUV is a startup that develops algorithms to provide a mathematical education system called Mata Math, that is personalized for each individual and is promoting basic mathematics education at Office of Educations nationwide and supporting mathematics education programs that use artificial intelligence. Currently, VITRUV is being used by more than 425 middle and high schools.