Stephen and his companion Bill Fisher developed the first voice game for Intellivision, Space Spartans,
in 1981. Many of the basic voice routines that Stephen wrote for Space Spartans were used in all subsequent
games for Intellivoice. After completing Space Spartans, Stephen and Bill were placed on the B-17 Bomber
to assist programmer John Sohl in defining and finalizing the game. He also developed the unreleased
Stephen has worked on several other Mattel Electronics projects, including translating Utopia to
Aquarius Computer. In 1997, he founded, with the Blue Sky Ranger Keith Robinson, Intellivision Productions, Inc.
to keep classic Intellivision games available to old fans and introduce them to new generations.
As Senior Vice President of Software Development, Stephen created the Intellivision emulator for Mac, which
became the basis for most of Intellivision's next releases, including PlayStation 2, Xbox, DS and iPhone.
In July 2017, he assumed the presidency of Intellivision Productions after the death of Keith Robinson.