| Positions Held | Dates | Department | Institution |
| Part-time Postdoc | 2005-present | CECM | Simon Fraser Univ. |
| Mathematics Developer | 1999-present | Math Group | Waterloo Maple Inc. |
| Teaching Assistant | 1997-1999 | Mathematics | Simon Fraser Univ. |
| Research Assistant | 1997-1999 | Mathematics | Simon Fraser Univ. |
| Insurance Programmer | 1994-1997 | Info .Serv. | B.C. Automobile Assoc. |
| Teaching Assistant | 1991-94 | Mathematics | Simon Fraser Univ. |
| Research Assistant | 1990-93 | Mathematics | University of B.C. |