Amanda (Bryan) Wongnirattisai is a 2002 graduate of Ozark Christian College and a 2004 graduate of Missouri Southern State University. She was called to the mission field in high school and was invited by a missionary to spend a summer at the Lisu Bible Institute (LBI) in Chiang Dao, Thailand. Amanda grew to love the Lisu people and returned to LBI in 2006.
While teaching at LBI, Amanda met one of the LBI alumni, a village pastor named Yoha (John) Chwa, whose Thai name is Nipon Wongnirattisai. Yoha and Amanda married on July 4, 2009, and served in Yoha's village of Saingam. Yoha and Amanda are raising their nephew Benjamin and have four other children, Johnny, Rosibeth, Gracie, and James.
Yoha and Amanda are now serving in Mae Hong Son Province of Northwest Thailand, where they are pastoring the village church of Doi Pilou. They have plans to work with other local pastors on a new church plant in the city of Pai. They are also building a ministry center in Pai, where they will do community development through agriculture training and an English language program for school-aged children. With New International since 2009.