Peter Drucker was an Austrian-American management consultant, academician, author and a self-defined “social ecologist”. Peter is among the best known and most influential thinkers on the matter of management theory and practices. Born in Vienna, after completing his education at the local gymnasium he moved to Germany, where he started working as a journalist, concurrently studying law in private, receiving his doctoral degree from the University of Frankfurt. Thereafter, he moved first to London and then to the USA, becoming a naturalized citizen of the United States in 1943. Starting his career in the USA as an advisor to British banks and a correspondent to several journals and newspapers he soon switched to academics, continuing to write all along. However, it was in his role as a management consultant that he reached his peak. It started with an invitation from General Motors to analyze its organizational structure, resulting in his 1946 book, ‘Concept of the Corporation’, which offers assessment of large corporations as social institutions. Later he served as consultant to many well-known corporations, governmental departments as well as non-governmental organizations; all the while continuing to teach and write. Working almost till the end, he died at the age of ninety-five in Claremont, USA.