Sage Foster-Lasser is an undergraduate student at the University of Texas at Austin, where she studies psychology and American studies. Grow Grateful is a follow-up to Grow Happy, her first children's book which she also co-authored with Jon Lasser. 

Jon Lasser, PhD, is a psychologist, school psychologist, professor, and associate dean for research in the College of Education at Texas State University. Grow Grateful is a follow up to his first children's book, Grow Happy, also written with Sage Foster-Lasser. Jon Lasser resides in Martindale, Texas. Follow him on Twitter: @JonLasser.

Christopher Lyles has illustrated numerous books for children, including When You Look Out the Window, Grow Happy and Grow Grateful. Inspired by vintage graphics and antique surfaces, he uses collage and mixed media applications to create his art. He lives in Simsbury, CT. Visit him at chrislyles.tumblr.com and follow him on Facebook: @LylesDesigns, Twitter: @ChrisLyles, and Instagram: @ChrisLyles.