Seyun Chang has been studying Materials science & engineering and Industrial management & engineering at POSTECH since 2012. During the college years, in 2014, he studied at University of Illinois as a visiting student. In US, he studied business and public health courses not as his major, but this experience gave inspiration in participating and founding a startup. Seyun likes experiencing and founding problems from different cultures. This being so, he has been to more than 70 cities of 25 different countries. These journeys were not just for fun, he participated various kinds of entrepreneurship programs in Finland, Australia, USA, Japan, China and Singapore etc. He tried to make a startup during the college years with bio and healthcare ideas. In 2016, he found a problem from babies’ fever and parents’ excessive fear about that situation. This idea was Selected by government accelerating program and has been developed. During the program, he met ‘Mobile Doctor Co., Ltd’ which was running fever managing App. Seyun felt that he needed the service part of his item and at the same time ‘Mobile Doctor’ needed a technique guy for developing hardware and research. In order to satisy their common needs, Seyun started working as CTO from Sep,2016. After he participated ‘Mobile Doctor’, the company got the first prize in Alibaba-Alicloud competition, and the prize of ‘The Venture of 2017’ and so on. Also, he started a new startup ‘MiDAS’ as CEO in Dec,2016. This company is researching healthcare big data with machine learning and developing A.I for predicting diseases. This company got the 2nd of A.I. competition in Korea and entered semi-final of the MassChallenge in 2017 season. Nowadays he is doing his best effort to be an fathoming and heartfelt entrepreneur.