"Come and get it, GOT7! Hello, I'm Mark!"
Mark (마크) also known as Tuan Yi-Eun, born on September 4th, 1993, is the oldest of the GOT7 members. He is an American Citizen of Taiwanese descent and lived in Brazil and Paraguay when he was younger before his family moved back to the US. He was in the US in 2010 and came to Korea to train in that year.