Kai Ryssdal is an American radio journalist and the host of the marketplace. He is currently the host of the marketplace. Before joining Marketplace, Ryssdal was a reporter and substitute host for The California Report, a news, and information program. The program was distributed to public radio stations throughout California by KQED-FM in San Francisco.

The Radio and Television News Directors Association honored him with awards for his radio work. The National Public Radio News Directors Association also honored him.

He also worked as the host of the Marketplace Morning Report, a seven-minute business roundup, as well as the weekend program Marketplace Money.

The marketplace is a business program that airs on weekdays on U.S. public radio stations. He also co-hosts the spinoff podcast Make Me Smart with Molly Wood. The marketplace is produced and distributed by American Public Media.

Ryssdal took over in August 2005, supplanting David Brown. Before hosting Marketplace, he was the host of the Marketplace Morning Report. It was a seven-minute business roundup, as well as the weekend program Marketplace Money.