Catherine Church at Oyens (1982-1986), St. Patrick Church in Estherville (1986-1993), Sts. Peter and Paul Church in West Bend (1993-1994), Holy Rosary Church in Fort Dodge (1994-2000), St. Joseph Church in Schaller (2000-2001) and St. Michael Church in Kingsley (2001-2008). Father Topf retired at Marian Hall in Sioux City in 2008.For several years Father Topf was a member of the St. Joseph Education Society, whose focus was monitoring funds for seminarian education. Later, for nine years, he was a member of the Priests’ Pension Board, a group that administers benefits for retired and infirm priests. Also, for a short period he helped resolve marriage cases in the Diocesan Tribunal. Father Topf enrolled in training to become a spiritual director. For more than two decades, he provided monthly spiritual direction for persons in the diocese, a ministry which included work at the Broom Tree Retreat Center in the Diocese of Sioux Falls.