Mayim Chaya Bialik (/ˈmaɪɪm biˈɑːlɪk/ MY-im bee-AH-lik; born December 12, 1975) is an American actress, game show host, and author. From 1991 to 1995, she played the title character of the NBC sitcom Blossom. From 2010 to 2019, she played neuroscientist Amy Farrah Fowler on the CBS sitcom The Big Bang Theory, for which she was nominated four times for the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series and won the Critics' Choice Television Award for Best Supporting Actress in a Comedy Series in 2015 and 2017.
In August 2021, it was announced that Bialik would host the primetime version of Jeopardy! After Mike Richards stepped down from hosting the syndicated version of the show later that month, Bialik started concurrently hosting that version as well (sharing duties with Ken Jennings).