David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.
In his years at NPR, David has covered science's discoveries and its darker side, including the Northeast blackout, the anthrax attacks and the collapse of the New Orleans levees. He has also reported on energy issues, particularly nuclear and climate change.
David has won awards from the American Association for the Advancement of Science, the American Physical Society and the Institute of Electrical and Electronics Engineers.
Andy Carvin (andycarvin.com, @acarvin on Twitter) leads NPR's social media strategy and is NPR's primary voice on Twitter, and Facebook, where NPR became the first news organization to reach one million fans. He also advises NPR staff on how to better engage the NPR audience in editorial activities in order to further the quality and diversity of NPR's journalism.
During his time at NPR, Carvin has been interviewed on numerous NPR programs, including Morning Edition, All Things Considered, Talk of the Nation, Tell Me More and The Diane Rehm Show, as an expert on Internet policy and culture and related topics.