Raising Positive Kids in a Negative World About the Author The late Zig Ziglar was a motivational speaker, teacher and trainer who traveled the world over delivering his messages of humor, hope and encouragement. As a world renowned author and speaker, Zig had an appeal that transcended barriers of age, culture and occupation. From 1970 until 2010, he traveled over five million miles across the world delivering powerful life improvement messages, cultivating the energy of change. Recognized by his peers as the quintessential motivational ge nius of our times, Zig Ziglar's unique delivery style and powerful messages earned him many honors and today he is still considered one of the most versatile authorities on the science of human potential.