Chung Seung Je is a South Korean lecturer, singer, Youtuber and TV personality. He graduated from Yangjae High School and later obtained a bachelor’s degree in Civil Engineering from Kyunghee University. He is a representative lecturer in the field of Mathematics at EBSi and ETOOS Academy, two online institutions who teach students different subjects. He has taught at EBSi since 2009, at ETOOS since 2011, and started teaching at Grow since 2020 and is considered one of the best Math teachers in South Korea. In 2019, he published a book explaining to change our attitude towards Math and in 2020 he made his singing debut as a contestant in "Mr. Trot" performing a song to support high school students preparing for the CSATs but he was eliminated in the first round. He later released a second digital single produced by and featuring 6BAND and has also collaborated with Pengsoo. He has donated all profits from his songs to help students cover tuition or other expenses.
(Source: Korean = Namu Wiki || Translation = MyDramaList)