Seo Ji Yeon, mostly known as Gyeon and born in Daejeon, South Korea, is an actor, singer and host based in Thailand. At the age of eleven, she moved to Thailand for her father's work. In 1998, she made her performing debut in the music video for Raffy-Nancy's "Tell Me Why" (บอกกันได้ไหม). After graduating from Ruamrudee International School Bangkok, she went on to study Business Japanese at Assumption University's Faculty of Arts.

She's currently in a relationship with Thai artist Hunz Isariya Phattharamanop.