He has also written a book about the death of his wife, Joan, from cancer in 2007. This is titled Death for Beginners, published by Patcheny Press in 2011. He lives in Brentwood, California with his three children and stepson.
He was born to Frank Gero (1929–2014), a former theater actor and stage manager who later became a producer, and a homemaker mother in the mid-1950s. He attended Harvard University in the early 1970s graduating with a BA in Writing & Film-making.