Kousha Navidar is a host, writer, and producer. At WNYC, he regularly guest-hosts The Brian Lehrer Show and All of it With Alison Stewart.

Outside of WNYC, Kousha is also a host on Crash Course, one of the world’s best-known educational YouTube channels with 17M+ subscribers, aiming to make high-quality educational videos available to everyone for free. Kousha also co-hosts Climate One, a weekly radio show and podcast focused on climate solutions and distributed on more than 90 stations around the country.

Previously, Kousha was Head of Content at Samsung. There, he led digital strategy and production within the company’s division focused on innovation and corporate investment. Kousha has also had a career as a speechwriter, writing in the Obama Administration for the SBA Administrator and developing speeches with thought leaders around the world.

At PBS and WGBH, he helped launch the national show Point Taken, where he developed a companion YouTube series to reach younger viewers typically outside PBS's viewership. While getting his Masters, he launched Bad News, a YouTube series that examined pressing public policy issues for young audiences.

Born in Iran and immigrating to New York City at a young age, Kousha has had the pleasure of living across the United States, from Durham to Miami to San Francisco, and other places in between. Kousha graduated with a Master of Public Policy from Harvard University's Kennedy School of Government and a Bachelor of Arts from Duke University.