By 1982 he and Penny were busy in the pioneer work, and in 1986 he began 11 years of service as a circuit overseer in the United States.
Kopš 1982. gada G. Pīrss kopā ar savu mīļoto sievu Peniju kalpoja par pionieri, un 1986. gadā viņš kļuva par rajona pārraugu ASV.