Steve De Furia was an engineer at E-mu Systems who contributed to the Proteus series — sample-playback synthesizers and sound modules that brought E-mu's vast sound library to a wider market in the late 1980s and 1990s.

The Proteus modules offered ROM-based orchestral, ethnic, and synthetic sounds in 1U rack units that became studio workhorses. De Furia's work helped optimize the playback engine and sound mapping that made the Proteus line accessible to composers, producers, and live performers who needed reliable, immediate sounds.

The Proteus platform extended E-mu's legacy beyond custom sampling into curated preset libraries, anticipating the rompler workstations that would dominate the following decade.

Notable products: E-mu Proteus series.