Dennis has spent time in and around machine shops, supporting research and manufacturing organizations, since 1961. He first worked in UDRI’s machine shop from 1966 to 1974, then worked in the Engineering Data and Design group until 1977.

From 1978 to 1990 Dennis worked for corporations as an experimental model maker, shop supervisor, and a materials buyer for eight manufacturing plants.

In 1990 Dennis rejoined UDRI as the facilities coordinator, and is still responsible for the operation and maintenance of buildings occupied by UDRI on campus. He accepted responsibility for the machine shop in 1996, and currently supervises three full-time machinists. In 2002 Dennis also assumed the role of safety coordinator for UDRI, serving as a safety point of contact and liaison with the University’s safety office.