From the top of the world to the caverns of the deep, time and again Marc has journeyed to the edge and returned to tell the tale. His lifelong passion for testing the limits of human, mental and physical capacity have led him in his search for knowledge. But the real quest was in finding the courage, focus and vision to persevere.
"Knowledge is knowing what to say, wisdom is knowing when to say it."
The spellbinding stories of his escapades are inspiring and exhilarating.