James Nestor has written for Scientific American, Outside Magazine, Men's Journal, National Public Radio, The New York Times, and more. His book, Deep: Freediving, Renegade Science, and What The Ocean Tells Us About Ourselves, was a finalist for the PEN American Center Best Sports Book of the Year and a BBC Radio 4 Book of the Week. Nestor has appeared on dozens of national radio and television shows, including ABC's Nightline, the CBS Morning News and NPR. He lives and breathes in San Francisco. More at mrjamesnestor.com.