He is well known for his work on the Fox thriller 24 and the TNT alien-drama Falling Skies.

He wrote segments for HBO's miniseries From the Earth to the Moon, in which he appeared playing a small part as a Grumman engineer.

He created, wrote, and produced the short-lived television series The Lyon's Den.

He wrote the pilot episode of Caprica, but left the series to become the showrunner of Persons Unknown.

[2] In 2012, he joined the second season of the TNT science-fiction Falling Skies as writer, executive producer, and showrunner.