Known as the father of Guerrilla Marketing, Jay Levinson’s 1984 book, Guerrilla Marketing, was named one of the 100 best business books ever written, with over 21 million sold. His “Guerrilla” concepts, which describe ‘unconventional’ marketing tools used in cases when resources are limited, have influenced marketing so much that his books appear in 62 languages and are required reading in MBA programs worldwide.