Andy Cowan is an American television writer, producer, podcast host, voiceover artist, and jazz performer whose net worth has not been publicly reported. He is best known for writing the celebrated Seinfeld episode “The Opposite” and contributing as a writer to Cheers, and for his 2025 Quill Award-winning podcast The Neurotic Vaccine.
Updated March 2026: According to IMDb, Andy Cowan’s most recent credits include new episodes of The Neurotic Vaccine podcast announced for 2026, following the show’s win at the 2025 Quill Podcast Awards for Best Comedy Podcast.
Andrew Glenn Cowan grew up and was educated in the United States. His birthdate is not publicly available, though his career timeline places him as a writer active in Hollywood from the late 1980s onward. He settled in the Santa Monica and Los Angeles area of California, where he built his career in television writing. He is also trained as a jazz musician, an artistic pursuit he has maintained alongside his writing career.
Cowan began his television writing career in the late 1980s and early 1990s, landing writing credits on NBC’s critically acclaimed sitcom Cheers, where he contributed three episodes. He then joined the writing staff of Seinfeld as a writer and program consultant, working on 17 episodes in total. His most notable contribution was writing “The Opposite” (Season 5, Episode 22, 1994), considered one of the series’ most iconic episodes, in which George Costanza decides to do the opposite of every instinct he has. The episode is regularly cited in rankings of the greatest Seinfeld episodes and the best-written television episodes of all time.
Cowan subsequently joined the writing staff of 3rd Rock from the Sun. Both Cheers and Seinfeld appear on the Writers Guild of America’s list of the 101 Best Written TV Series. Cowan won a CableACE Award for Best Writing for the Showtime special 6 Minutes. He was listed in Who’s Who in America in 2017, recognizing a Lifetime Achievement in his field.
In recent years, Cowan has hosted The Neurotic Vaccine, a comedy podcast. The show won the 2025 Quill Podcast Award for Best Comedy Podcast, per IMDb. He has also published a memoir, Banging My Head Against the Wall, with a foreword by Jay Leno, and performs regularly as a jazz musician. He continues working as a voiceover artist and humor columnist.
Andy Cowan is based in the Santa Monica and Los Angeles area of California. Personal details including marital status, family, and relationships are not publicly available. He has maintained an active professional profile across multiple creative disciplines — writing, performance, music, and digital media — throughout a career spanning more than three decades.
Andy Cowan’s net worth has not been publicly reported by any major financial publication. His income sources over a career of more than 30 years include television writing credits on Cheers, Seinfeld, and 3rd Rock from the Sun; voiceover work; podcast hosting and production; jazz performances; and book sales. No verified estimate is available.
Andy Cowan co-wrote “The Opposite” (Season 5, Episode 22, 1994), one of Seinfeld‘s most celebrated episodes, in which George Costanza resolves to act against every instinct he has — leading to unexpected success. Cowan worked on Seinfeld as a writer and program consultant for a total of 17 episodes, per Wikipedia.
Andy Cowan has writing credits on three landmark television series: Cheers (NBC, 3 episodes), Seinfeld (NBC, 17 episodes as writer and program consultant), and 3rd Rock from the Sun (NBC, staff writer). Both Cheers and Seinfeld appear on the WGA’s list of the 101 Best Written TV Series of all time.
Andy Cowan won a CableACE Award for Best Writing for the Showtime special 6 Minutes, and his podcast The Neurotic Vaccine won the 2025 Quill Podcast Award for Best Comedy Podcast. He was also listed in Who’s Who in America in 2017 for Lifetime Achievement in his field, per IMDb.
Andy Cowan hosts The Neurotic Vaccine, a comedy podcast that won the 2025 Quill Podcast Award for Best Comedy Podcast. New episodes for 2026 have been announced. The show reflects Cowan’s career-long focus on observational humor and his background in writing for some of television’s most successful comedy series.