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Jack Christianson
Jack Christianson is an emerging American author with interests in themes of espionage, the military, science, politics, and spirituality. An accomplished speaker, teacher, and con...lihat lebih banyakJack Christianson is an emerging American author with interests in themes of espionage, the military, science, politics, and spirituality. An accomplished speaker, teacher, and consultant to governments and multinational corporations on matters of risk management, strategy, and counterterrorism, he is also an avid outdoorsman, hunter, and martial artist.lihat lebih sedikit