Dave joined HyTech in 1983. His microwave experience began in 1969 as a Product Line Manager for the Waveguide Products of Systron-Donner (previously DeMornay Bernardi). His responsibilities included the selling of Waveguide products, the development of their Component Catalog, managing the national and international rep organizations, the development of new products, and all other marketing responsibilities. From 1971 to 1977, Dave also served as Product Line Manager for the Spectrum Analyzer, Sweepers and Microwave Subsystems for Systron-Donner.

By directing all of Systron-Donner Microwave product lines, Dave developed hands-on experience with simple waveguide passive components to sophisticated microprocessor based instrumentation to complex Thick and Thin film Microwave Subsystems. From 1978 to 1980, he helped develop Systron-Donner Microwave. From 1980 to 1983, Dave served as the Systron-Donner Microwave Director of Marketing where he sold subsystems into major programs at Hughes, General Electric, Emerson, ITT, Loral, Westinghouse and the US Navy.  For the period of 1977 to 1978, he was part of the Scientifi