Dan Koeppel is an author and freelance columnist. He has written columns for The New York Times Magazine and Popular Science.Previously, Koeppel was the editor of the Mountain Bike magazine, where he still writes the "Hug the Bunny" column. He was also a commentator for the NPR program "Marketplace." His first book, "To See Every Bird on Earth," was published in 2005. His second book, "Banana: The Fate of the Fruit That Changed the World," was published in 2007. His third book, "Every Minute Is a Day: A Doctor, an Emergency Room, and a City Under Siege," was published in 2021.Koeppel organizes bigparadeLA, an annual public walk in Los Angeles.