Heelee was born and raised in Busan, South Korea. She majored in Theology in undergrad in Seoul, South Korea, and moved to Princeton, Jew Jersey, in2013 to begin her Master of Divinity and Master of Arts in Christian Educationat Princeton Theological Seminary. After completing her Masters in 2018, Heelee began her PhD in Biblical Studies - New Testament - at Princeton Theological Seminary. She just finished her 4th year and is currently taking a leave of absence. Heelee has worked as Christian Educator in various capacities both in South Korea and in the United States since 2008.