Outside of work in the entertainment field, he is a distinguished guest speaker at Hampshire College and the University of North Carolina School of the Arts, the latter awarding him with an honorary doctorate at their 2012 graduation ceremony.

Rambo got the idea for it while listening to a TV documentary and deciding to make it into a staged reading (while adding notable stars to it).

Rambo would then join the CSI writing team, creating episodes like Who Shot Sherlock?, Kiss-Kiss, Bye-Bye and Still Life.

In 2006, Rambo wrote The Lady With All the Answers,[2][3] a play about the life and work of "Eppie" Lederer, better known as Ann Landers.

Rambo was commissioned by L.A. Theatre Works to write The Tug of War, a 2017 drama about the Cuban Missile Crisis of October 1962.