[1][2] Greenberg was one of White Wolf Publishing's[2] original developers on Vampire: The Masquerade (1991).
[6] After years with White Wolf, he joined Holistic Design, Inc. (HDI),[7][8][9] where he co-created Fading Suns (1996) with Bill Bridges.
In 2007, he began teaching video game design classes at the Art Institute of Atlanta.
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