Served
- Yung Kwang CRC (2002-2003)
- San Jose New Hope CRC (2000-2001)
- Fountain Valley Korean (1997-2000)
- Leave (1996-1997)
- Korean CRC (1991-1996)
- Asst. Prof., General Assembly (1989-1991)
- CRC: Orange Dongsang (1987-1989)
- US: Orange Dongsan (1986-1987)
- Asst. Prof., General Assembly (1984-1986)
- Han Woori (1983-1986)
- Sae Han (1978-1983)
- Sintein Jeil (1971-1978)
- Hapdong Presb., Korea: Sae Han (1969-1971)