Jonah McDonald is a 15-year Atlanta resident and former Appalachian Trail thru-hiker. An educator, naturalist, and outdoorsman, McDonald has worked at an outdoors outfitter, several Atlanta-area independent schools (where he started and ran wilderness and outdoors programs), is the founder of Sure Foot Adventures, co-founder of Peacebuilders Camp, and now serves as Park Naturalist at Mason Mill Park in Dekalb County. In each of these professional capacities and as a hobby, McDonald has spent countless days exploring metro-Atlanta greenspaces and has compiled an extensive list of natural areas in and around the city.

McDonald is also a storyteller and tour guide. A professional storyteller, McDonald gives performances to groups of all ages. He has developed a Bicycle Tour of the Battle of Atlanta that he conducts by request. His second book, Secret Atlanta: A Guide to the Weird, Wonderful, and Obscure, is published by Reedy Press.