Peter F Drucker

Peter F. Drucker (1909–2005) was an Austrian-born American management consultant, educator, and author whose writings laid the philosophical and practical foundations of modern management theory, including concepts like management by objectives and the knowledge worker.[1][2] He authored 39 books, such as 'The Practice of Management' (1954) and 'Management: Tasks, Responsibilities, Practices' (1973), and taught at institutions like New York University and Claremont Graduate University, influencing generations of executives and leaders.[3][6]