Jo A. Kaucher, "Chef Jo," is the head chef and co-owner of the Chicago Diner, the landmark vegetarian restaurant that first opened its doors in 1983. She lives with Chicago Diner president and co-owner Mickey Hornick in Chicago.

Kat Barry is a Michigan native, self-made chef, and founder of her own catering business. She became vegan in 2007. Because plant-based living so profoundly improved her health, she is now passionately committed to educating and inspiring others to do the same. She is the business development specialist at The Chicago Diner.