Goffman began his TV writing career in 2002 as a staff writer on The West Wing, where he wrote for several seasons.

One of his episodes of Law and Order: SVU garnered Golden Globe and Emmy nominations for Mariska Hargitay in 2009.

[6][7] He has also served as the showrunner for seasons 1 and 2 on Fox's Sleepy Hollow, as well as an executive producer for CBS's Limitless and USA Network's White Collar.

[9] Goffman also wrote and directed the critically acclaimed feature documentary, Dumbstruck, a film about ventriloquists, which was released in Spring 2011 by Magnolia Pictures.

[11] In 2020, Goffman appeared as a guest on the Studio 60 on the Sunset Strip marathon fundraiser episode of The George Lucas Talk Show.