TV comedy writer-producer Jeff Greenstein has signed with CAA. Greenstein was executive producer on the Emmy-winning NBC comedy Will & Grace and also spent five years as writer, producer and director on ABC’s Desperate Housewives. More recently, he directed and executive produced the web sitcom Husbands, co-created by Jane Espenson, and wrote and directed the season finale of the BBC comedy Way To Go. He has projects on the works at Showtime and HBO. Greenstein, who was at ICM Partners, started off on HBO’s Dream On, rising from staff writer to showrunner. His other credits include Parenthood, Friends and Partners.