From 1992 to 1994 Jeffrey was a writer on the series “Dream On” which was created by David Crane and his future Friends co-creator Marta Kauffman. From 1994 to 1995 he was a writer and co-producer on “Mad About You.” From 1995 to 1998 he was a writer and producer on “The Naked Truth.” From 2002 to 2006 he was a consulting producer on the series “Half & Half” which he also created. From 2006 to 2007 he was a writer, executive producer and creator on “The Class”. David Crane co-created the show. In 2011 David and Jeffrey co-created the Matt LeBlanc comedy “Episodes” which aired 41 episodes over five seaons. He has been nominated for four Primetime Emmy Awards, a BAFTA Award, and two Writers Guild of America awards.