The president of Korea University, coming from a long line of educators dating back to the Joseon Dynasty. He is Yoo Euiseo's grandfather. The Go family is known for strict family traditions. He contacted the president's company requesting a meeting, likely to ask the president to help persuade Yoo Euiseo regarding a family issue. His son had eloped with a singer, returned to the family, and later died in an accident along with his second wife and child. The Go family lost both their fourth-generation successor and fifth-generation child they were treating as a successor.
