He founded his own production company in 1984, producing movies including Great Balls of Fire!, Brokedown Palace, Johnny Be Good, Donnie Darko, Vision Quest, Limitless, The Wedding Ringer, and Money Train.
In 1990, Fields founded Preview Tech, a firm that partnered with national consumer electronic stores to air studio and network trailers on their in-store television monitors.
[3] Fields partnered with studio chief Ned Tanen at Universal Pictures to oversee the development and production of John Hughes’ directorial debut, Sixteen Candles and The Breakfast Club.
[6] Fields sold Preview Tech 18 months later, turning a small startup investment into a multimillion-dollar acquisition target by New York investment-banking firm of Veronis, Suhler & Associates.
After Preview Tech, he teamed with Jon Peters to develop Rosewood, My Fellow Americans, Ali and he executive produced Money Train.
[4] Fields is involved in a number of projects currently in production, such as a film adaptation of Rob Liefeld's comic, Shrink,[10][11][12][13] a reboot of Look Who's Talking,[14][15] and a remake of Bunny Lake is Missing.