| Recd. by | Great Lakes Presby. | |
| Removed to BPC, Columbus Synod | |
| Recd. by | PrNJ | |
| Mt. Prospect UPCNA, Eighty Four, PA | 1952–1955 |
| Viewcrest Community Ch., Eighty Four, PA | 1955–1956 |
| Covenant BPC, Haddonfield, NJ | 1956–1958 |
| Grace OPC, Westfield, NJ | 1963–1966 |
| Special Lecturer | Westminster Theological Seminary | 1964–1965 |
| Director | Christian Counseling and Educational Foundation | 1965 |
| Assistant Professor | Westminster Theological Seminary | 1966–1970 |
| Associate Professor | Westminster Theological Seminary | 1970–1976 |
| Visiting Professor | Westminster Theological Seminary | 1976–1979 |
| Guest Lecturer | Westminster Theological Seminary | 1980–1982 |