Yanok first worked in
stand-up comedy at the
hungry i in
San Francisco and was an actor in theatre. He went on to produce
The Kallikaks, which ran for five episodes as a
mid-season replacement in August 1977. Yanok won two
Primetime Emmy Awards for Outstanding Writing in a Comedy, Variety or Music and Outstanding Comedy Series in 1974 and 1976, in recognition of his work on
Lily and
Lily Tomlin. He also received two nominations, one of which was for
Outstanding Comedy Series in 1976 for his work on
Welcome Back, Kotter. Yanok relocated from
Los Angeles to
Nashville, Tennessee, during the 1990s to serve as writer, producer, and director of
Prime Time Country. During his time there, he was co-writer of the
IMAX film
Twang, researcher for
Judge Judy, and teacher of television writing at
Watkins College of Art and
Screenwriters University. Yanok later published his first novel in 2017, titled
Romeo in Shubert Alley. ==Personal life==