Steven Warner is a visual effects supervisor. He is best known for his work on blockbuster feature film projects such as Saving Private Ryan (1998), Gladiator (2000), Defiance (2008), and The Martian (2015). In 2016, Steven Warner was nominated at the 88th Academy Awards for his work on the film The Martian in the category for Best Visual Effects. His nomination was shared with Anders Langlands, Chris Lawrence, and Richard Stammers. Description above from the Wikipedia article Steven Warner, licensed under CC-BY-SA, full list of contributors on Wikipedia.