Brooks and Nina Buser served as missionaries for 13 years among the YembiYembi people in Papua New Guinea. After developing an alphabet in the YembiYembi language, completing a translation of the New Testament, and establishing a church with indigenous elders and deacons, the Busers returned to the U.S. in 2016 to work with Radius International. Brooks is President of Radius International where he and Nina teach courses on language acquisition, Bible translation, parenting and cross-cultural church planting. They have one son, Beau, who is in college, and a dog named Sepik.