Christie Aschwanden is the lead writer for science at FiveThirtyEight and health columnist for the Washington Post. A finalist for the National Magazine Award, her writing has appeared in Outside; Discover; Smithsonian; and O, The Oprah Magazine. She lives in Colorado.
Allyson Ryan is a native New Yorker whose diverse talents have led to a career in voice-over, theater, TV, commercials, and films. She won an AudioFile Earphones Award for her recording of On the Divinity of Second Chances by Kaya McLaren. She is also a 2017 Society of Voice Arts and Sciences Voice Arts® Award nominee.