Robert Skotak

Robert Skotak (born May 17, 1945) is an American filmmaker and visual effects artist, known for his collaborations with director James Cameron. He won two Academy Awards for Best Visual Effects, for ''Aliens'' (1986) and ''Terminator 2: Judgment Day'' (1991), in addition to two BAFTA Awards and a Saturn Award. He is one the founders of the effects studios 4-Ward Productions and Whodoo EFX. Provided by Wikipedia