Zig Ziglar was an American author salesman and motivational speaker Ziglar worked as a salesman in a succession of companies In 1968 he became a vice president and training director for the Automotive Performance companyAs a worldrenowned author and speaker Zig had an appeal that transcended barriers of age culture and occupationThrough his sessions he has engaged thousands of audiences and sold millions of books He is considered a versatile authority on the science of human potential His books have been on bestseller lists and have been translated into more than thirtyeight language