God called Heidi “to go” while she was in Mexico on a short-term mission trip with her youth group when she was just 13 years old. She went on to Oral Roberts University to earn a degree in Missions. Joel felt called to missions when he first surrendered to God on a mountaintop in Alaska. Joel felt that God would take him to every continent of the world. Joel met Heidi at ORU while earning a degree in International Business.

They joined Go To Nations in January of 2003 and relocated to Burkina Faso to serve as the National Directors where their vision was to reach the most unreached people groups. They formed a partnership with Operation Christmas Child and have reached thousands of children with the Gospel.  More than a decade later, they have raised up a strong, national missionary team that continues to go into the most unreached areas in Western Africa.   


Having returned to the United States, the Hayslips are taking their experiences and strategies in transforming nations through the next generation to the rest of the world, training and equipping missionaries to spread the Gospel through Children's Ministry.