May 3, 2013 | 2139 GMT
Mark Schroeder thrives on challenges, whether living in a mud hut in Zambia with a creek as the only source of water, or sleeping on the ground in the coastal rainforest at the border of Ghana and Ivory Coast while waiting for dawn and the border's opening. Long before he became Stratfor's vice president of Africa analysis, Mark was an undergrad hungry for meaningful and substantial personal growth.