| 1988-1989 | Applications programmer | Macintosh natural language applications. |
| 1986-1988 | Systems programmer | Fourth-generation natural language processing tools including a tree-to-tree transducer for analysis, transfer and synthesis of language translation pairs. Resource engineer in support of all language pairs including string manipulation, storage and lexicon methods employing original tries, binary trees, ISAM, etc. |
| 1982-1985 | Computational linguist and programmer | English to French, Spanish, Italian and Portuguese machine translation software. Solely responsible for English to French. Architect of common transfer stage for all Romance languages. |