* "The Good Wife" (2009-2016): He was a writer, co-executive producer, and executive producer on this critically acclaimed legal drama.
* "The West Wing" (1999-2006): He was a writer and producer on this political drama, winning an Emmy Award for Outstanding Writing for a Drama Series in 2002.
* "The Newsroom" (2012-2014): He was a writer and co-executive producer on this drama series about a cable news network.
* "The Knick" (2014-2015): He was a writer and executive producer on this historical drama series about a pioneering hospital in New York City.
He also worked on various other projects, including the films "The American President" (1995) and "The Pelican Brief" (1993).
It's important to note that Jeff Ellenburg primarily works behind the scenes, crafting the stories and dialogue for these projects, rather than appearing on screen.