Cathy (Fondse) first went to Papua New Guinea with New Tribes Mission of Canada in 1987. She joined the Wusuraambya team in the Eastern Highlands of PNG in January 1988.

Andrew & Cathy met in Wusuraambya in 1990, married in 1991, and returned to Wusuraambya as a family of 4 in 1994. They have continued to minister to the Wusuraambyans until the present day, learning the local language, translating Bible lessons and scripture into Wusuraambyan, teaching and discipling believers, and later starting the Wusuraambya Tokples Skul (WTPS) (Wusuraambya local language schools). Their desire is to finish and publish the New Testament before leaving Wusuraambya.