Dan O'Keefe (writer)
Dan O'Keefe is an American television writer and producer, who has worked on such shows as Seinfeld, The Drew Carey Show, The League, Silicon Valley, and Veep.
As a television writer, O'Keefe was responsible for popularizing the holiday Festivus on the 1997 Seinfeld episode "The Strike". Festivus had been invented in the 1960s by O'Keefe's father, editor and author Daniel O'Keefe.
In 2005, Dan O'Keefe published an official book about the holiday and its history, titled The Real Festivus.
He lives in Los Angeles and graduated from Harvard College in 1990. He is the brother of composer Laurence O'Keefe.
