Actress, author, producer and speaker Danica McKellar was first introduced to us as Winnie Cooper on the iconic television classic "The Wonder Years," kicking off a career that has spanned close to four decades and shows no signs of slowing down. McKellar recently co-wrote, executive produced and starred in the romantic comedy "A Cinderella Christmas Ball" and also the upcoming drama "Grounded" on Great American Family network where she is signed to a multi-picture deal, prior to which she starred in over 15 movies for Hallmark Channel. In addition, McKellar was a quarterfinalist on "Dancing with The Stars" and a judge on Fox competition series "Domino Masters."

McKellar graduated Summa cum Laude from UCLA with a degree in Mathematics and contributed original research proving a new math theorem, since dubbed “The Chayes-McKellar-Winn Theorem,” published in Britain's esteemed Journal of Physics. She testified before Congress about the importance of women in math and science and was named “Person of the Week” by ABC World News for her entertaining books tackling math education.

Now a New York Times bestselling author, McKellar’s series of eleven groundbreaking books teach kids and teens how to master mathematical concepts in innovative ways. "The Times Machine," which teaches multiplication and division methods to third and fourth graders using fun cartoons and comic strips, was named an “Amazon Book of the Year.” McKellar's 11th book, "Double Puppy Trouble," was selected as Amazon's "Editor's Pick: Best books ages 3-5." To date, McKellar’s books have sold over 2 million copies worldwide, and her 12th book, "I Love You 100: A Counting Book Full of Love," hits the shelves November 2025.

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