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Mark "Oz" Geist

Mark "Oz" Geist, Leadership, Teamwork, Inspiration, At the Movies, Safety 13 hour, 13 hours, benghazi, hero, movie, teamwork Mark "Oz" Geist, Leadership, Teamwork, Inspiration, At the Movies, Safety 13 hour, 13 hours, benghazi, hero, movie, teamwork

Mark "Oz" Geist's Books

13 Hours: The Inside Account of What Really Happened in Benghazi by Mark "Oz" Geist