Here's what you need to know about Kamala Harris' VP pick Tim Walz

Kamala Harris' running mate, Minnesota Gov Tim Walz, will face a national audience that's still getting to know him when he headlines the Democratic National Convention in Chicago on Wednesday night.

Walz wasn't widely known outside of Minnesota before Harris chose him to join her on the Democratic presidential ticket. But they clicked when the vice president interviewed him, and she was impressed by his record as a governor and congressman and the splash he made on TV. His attack line against former President Donald Trump and his running mate, Ohio Sen. JD Vance These guys are just weird spread like a prairie fire.

Since Harris announced her pick, the country has been learning more about the 60-year-old governor and self-described Midwest dad. Here's a look at Walz as he prepares for his biggest speech of the campaign so far:

From teacher to VP pick

The Nebraska native was a geography teacher and assistant football coach at Mankato West High School in southern Minnesota before