Ben Johnson is the host of Marketplace Tech and the digital-only podcast Codebreaker. He joined Marketplace in 2012 and officially became the host of Marketplace Tech in early 2014. In 2010, he began to work as a freelance web producer at The Takeaway, a national radio show produced out of New York’s WNYC Radio in partnership with WGBH, The New York Times and the BBC. Ben went on to be a freelance radio producer at WNYC, serving as the digital editor for The Takeaway while also doing live and features reporting for the station on everything from Occupy Wall Street to New York's last functioning ship graveyard. While working at WNYC, Ben started blogging for Slate Magazine's breaking news blog, The Slatest.

In 2012, Ben left WNYC to manage a partnership between Slate and YouTube, producing daily breaking news videos and other content for SlateV, the magazine's video department. Ben doesn't like to brag about it, but over the years, he has interviewed Jay-Z, Hillary Rodham Clinton, Luciano Pavarotti, FCC Chairman Tom Wheeler, Josh Homme, Biz Stone, Guy Kawasaki, Col. Chris Hadfield, Neil deGrasse Tyson, Neil Young and more.