Harley A. Rotbart, MD, is a nationally renowned pediatrician, parenting expert, speaker, and educator, and has been named to Best Doctors in America for 18 consecutive years. He was a monthly contributor to Parents Magazine, has written for the New York Times and popular parenting blogs, and has made hundreds of media appearances. He coached youth sports from little league through high school levels for many years. He lives in Colorado.

Ken Davidoff has been covering Major League Baseball for 30 years. He served as a baseball columnist at The New York Post for ten years and retains an emeritus status there. He has appeared on ESPN, the MLB Network, YES Network, CNN, and others. A former president of the Baseball Writers Association of America, Ken now works as an adjunct professor at Endicott College in Massachusetts. He lives in New York City.