| CFM | OPC, Ghinda, Eritrea | 1974–1976 |
| CFM | OPC, Beirut, Lebanon | 1977–1979 |
| Stated Supply | Grace OP Chapel, Centerville, TN | 1979–1981 |
| Teacher | Centerville Christian School, Centerville, TN | 1979–1981 |
| Recd. by | Tennessee Valley Presby., PCA | 1981–1981 |
| Professor | Graham Bible College, Bristol, TN | 1981–1982 |
| MTW, Faculty | Daystar University College, Nairobi, Kenya | 1982–1987 |
| MTW | France | 1999–2002 |
| Adjunct | Vanderbilt University, Nashville, TN | 2005–2006 |
| Professor, Theological Faculty | LCC International University, Klaipeda, Lithuania | 2007 |
| Adjunct | Vanderbilt University, Nashville, TN | 2009–2010 |