International Speaker, Author, Inventor, Former Professor and Entrepreneur. Dr. Calvin Mackie is an award winning mentor, an internationally renowned motivational speaker, and a successful entrepreneur. His message as a mentor, speaker, and entrepreneur continues to transcend race, gender, ethnicity, religion, and time. Mackie founded the personal development and educational consulting firm, Channel ZerO Group, in 1992 and co-founded an alternative energy company, Golden Leaf Energy, in 2009. Mackie speaks to Fortune 500 Corporations and Institutions across the globe. He is the author of the books: best-selling “A View from the Roof: Lessons for Life and Business” and “Grandma’s Hands: Cherished Moments of Faith and Wisdom”