[2] Following his graduation from Duke Law, he clerked for Judge Jerry E. Smith of the United States Court of Appeals for the Fifth Circuit for a year.

After four years of entertainment law in Atlanta and New York, he abandoned his legal career to attend USC's Peter Stark Producing Program.

He wrote DisneyToon Studios' Tinker Bell and the Pixie Hollow Games, which premiered on the Disney Channel and the DreamWorks animated feature film Puss In Boots.

He also wrote the live-action body-switching movie Furry Friday for New Line Cinemas[11][12] and created and executive produced a TV pilot for ABC Family called Phys.

[17] Steinberg, together with his writing partner Keetgi Kogan, created the multicam comedy No Good Nick for Netflix which stars Melissa Joan Hart and Sean Astin, released in 2019.