Danica McKellar

About Danica McKellar

Danica Mae McKellar is an American actress, mathematics writer, and education advocate.

In 1988, McKellar she landed a prominent role in The Wonder Years, an American television comedy-drama that ran for six seasons on ABC. She played Gwendolyn "Winnie" Cooper, the main love interest of Kevin Arnold (played by Fred Savage) on the show.

McKellar has authored several mathematics-related books primarily targeting adolescent readers interested in succeeding at the study of mathematics. Her first book, Math Doesn't Suck: How to Survive Middle School Math without Losing Your Mind or Breaking a Nail, was a New York Times bestseller.

McKellar was named Person of the Week on World News with Charles Gibson for the week ending August 10, 2007. The news segment highlighted her book Math Doesn't Suck and her efforts to help girls develop an interest in mathematics, especially during the middle school years. In January 2014, she received the Joint Policy Board for Mathematics (JPBM) Communications Award. The citation credited her books, blog, and public appearances for encouraging "countless middle and high school students, especially girls, to be more interested in mathematics."

McKellar is of Dutch, French, German, Portuguese, Scottish, and Spanish descent. McKellar is a Christian and regularly attends church services. She cites Candace Cameron Bure as having been a major influence in her life after Bure gave her a copy of the Bible.

As of January 2025, McKellar has amassed 732 thousand Instagram followers.