In 1978, Brett co-founded Chicago's famed Apollo Theater,[1] where he produced over forty-five plays and musicals, including such Jeff Award-winning productions as the Steppenwolf Theatre Company's production of True West, starring John Malkovich and Gary Sinise; Balm in Gilead, featuring Laurie Metcalf; And a Nightingale Sang, with Joan Allen; Appearing Nightly, with Lily Tomlin; and David Mamet's Sexual Perversity in Chicago, with James Belushi.
Brett has produced several plays for the New York stage, including Harry Chapin: Lies and Legends, with Amanda McBroom; and Banjo Dancing, with Stephen Wade.
Following his tenure with The Second City Film & Television, Brett was recruited to be Head of Comedy for Network Live, a partnership of AOL, XM Satellite Radio and AEG.
For Network Live, he produced and recorded over twenty-five hours of stand-up and sketch comedy, featuring such then-emerging talents as Zach Galifianakis, David Cross and The Upright Citizens Brigade.
In 2011, Big Things launched MashPlant.com, the first website developed exclusively for middle school kids who wish to share their video, music, animation, writing, comedy and performance projects.