Guy Raz is the prolific host, creator, and editorial director of three NPR podcasts, including two of its most popular ones: TED Radio Hour and How I Built This. Both are massive hits, heard by more than 14 million people each month around the world. He is also the creator and co-host of the largest kids podcast, Wow In The World. In 2017, Raz became the first person in the history of podcasting to have three shows in the top 20 on the Apple Podcast charts. Margaret J. Krauss from local Pittsburgh NPR , 90.5 WESA, will interview Guy about his work on NPR.