Bill Prady (born 7 June 1960) is a television writer and producer who has worked on American sitcoms and variety programs, including Married With Children, Dream On, Star Trek: Voyager, Dharma & Greg, and The Gilmore Girls. He began his writing career working for Jim Henson's Muppets. He wrote the Disney Theme Park attractions Jim Henson's Muppet*Vision 3D and Honey, I Shrunk the Audience. He is currently the Executive Producer and co-creator of the CBS sitcom The Big Bang Theory. In 2003, he was a candidate for the office of Governor of California (California recall election, 2003). He is a graduate of the Cranbrook Schools in Bloomfield Hills, Michigan. In 1991, Prady was nominated for an Emmy award for co-writing the posthumous tribute to Jim Henson entitled "The Muppets Celebrate Jim Henson."

Born in Detroit, Michigan. Prady began working in entertainment in 1982 at 'Jim Henson' Productions (then "Henson Associates") in New York. Prady worked on a variety of projects there, including writing for the "Jim Henson Hour" and writing "MuppetVision 3-D." the 3-D Muppet Movie that appears at Walt Disney World in Florida. In addition to his work with the Muppets, Prady has written a number of television specials including the "Presidential Inaugral Celebration for Children, " for which he won a CableAce Award, and "Miss Piggy's Hollywood, " for which he received a WGA award nomination. Prady co-wrote "The Muppets Celebrate Jim Henson", for which he received an Emmy nomination and a WGA award. He was a co-producer and writer for the series "Dream On" on HBO Among his other sitcom credits are "The Cosby Show" and "Married with Children". He served as producer and consulting producer on the NBC series "Caroline in the City"; Prady currently serves as co-executive producer on the ABC series "Dharma and Greg"