A world renowned professional speaker, Dr Jack Groppel has shared the platform with world figures ranging from former Presidents George Bush and Gerald Ford to Secretary of State Colin Powell and actor Christopher Reeve. Dr. Groppel is an internationally recognized authority and pioneer in the science of human performance and an expert in fitness and nutrition.
I watched the GoogleTalks 1 hour presentation by Tony Schwartz, co-author of The Power of Full Engagement. His presentation is much better, more in depth and he's a better speaker in the sense that I didn't feel as much that he was just trying to sell me a new philosophy.
karibuboo 3 years ago