Mary Burke will challenge Scott Walker in the 2014 election for Wisconsin governor.

The Milwaukee Journal Sentinel reports.

Mary Burke, a former Trek Bicycle Corp. executive and state Commerce secretary, ended months of speculation Monday by announcing in a web video that she is running for the Democratic nomination to challenge Gov. Scott Walker.

As a millionaire, she brings substantial personal money to the race, giving her a leg up in fundraising that delights many Democrats but also provides a potential critique for Republicans.

Here's the video, heavy on the Trek bicycle branding and soft piano music — which of course adds up to the theme of promoting business and ending discord.