Dean Karnazes exudes life...to the fullest. At age 30, Dean discovered his feet were meant for running unimaginable distances instead of his former wing tipped polished leather shoes of Corporate America. Dean won't taunt you with his stories of his expanding the boundaries of human potential. Instead, Constantine Dean Karnazes (Dean's actual real name) will ask you this trite question in a piercing new way, "Are you happy?"