Sung An was born and raised in South Korea and relocated to the USA in 1998. Initially an ESL student, he pursued theological studies at Southwestern Baptist Theological Seminary in Fort Worth, Texas. After graduating from the seminary, he served at a local Korean church in Houston. In 2004, he moved to New Jersey, where he began his ministry at Van Riper Ellis Broadway Baptist Church, progressing through roles such as Korean Assistant Pastor, Youth Pastor, Mission Pastor, and Associate Pastor, before being appointed Senior Pastor in April 2024.

Sung is a sports enthusiast who has actively participated in badminton, racquetball, soccer, hiking, and volleyball and has been an official U.S. grassroots soccer referee since 2017.

Sung is married to Helen, a special education teacher, and they are the proud parents of two children, Hyunjune and Sueyeon.