John Oh has been serving as the senior pastor of SaRang Church in Seoul for 21 years, overseeing a membership growth of over 100,000. He places a strong emphasis on intentional discipleship in the workplace, global networking, and the unification of the two Koreas. He received a Ph.D. from Potchefstroom University and was a Harvard University Fellow. He also currently serves as the president of SaRang Global Academy (SaGA) and as the chairman of the board at Soongsil University. John is married to Nan-young Oh and has two sons, Joseph and Timothy, and two granddaughters, Eden and Ayla.