They joined World Indigenous Missions (WIM) in 1985 and graduated from King's Way Missionary Institute (a Spanish-language school in McAllen, Texas) in May. 1986. They then moved to Tamazunchale in the central Mexican state of San Luis Potosi and trained with WIM missionaries Chuck and Mary Nell Hall.
In April. 1987. Wally & Diane moved two hours north to Cd. Valles. where they reside today. Soon afterwards, the Halls left for further schooling and gave them the responsibility for the area churches. They felt the need to provide the pastors and leaders with the tools and continued training to effectively lead their churches.
God also gave them the vision to plant a church in the city of Valles. The Valles church will celebrate its 23nd anniversary in January. 2017.