Meet the key people who are leading Mike Bloomberg's digital campaign to topple Donald Trump

• Mike Bloomberg started secretive ad agency Hawkfish to aid in his presidential campaign, and it's packed with people from the worlds of politics, advertising, and technology.
• To beat Donald Trump, the Bloomberg campaign has hired widely from companies like Facebook, Google, and ad agencies.
• Business Insider identified 17 people in key roles in and around Hawkfish, including former Facebook CMO Gary Briggs, who is leading it.
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Hawkfish is the digital agency launched by 2020 presidential candidate Mike Bloomberg. It's considered central to his campaign to topple Donald Trump and help the Democratic party catch up to the GOP in terms of running a data-driven campaign.

Led by former Facebook CMO Gary Briggs, it's packed with people from the worlds of politics, advertising, and technology.

Bloomberg has nearly bottomless pockets to wage a campaign - he's spent more than $400 million already - but he's also been pummeled after a dismal performance at his first debate February 19, where rivals pounced on his company's use of nondisclosure agreements with female staff alleging harassment and his support of stop-and-frisk policies when he was mayor of New York City.

Through its reporting, Business Insider identified 17 people in key roles in and around Hawkfish.

The campaign wouldn't comment for this story on the record, and all the people named declined to comment or did not respond to requests for comment.

Here are the people to know, listed alphabetically.