Lessons In Leadership Package Author:Peter F. Drucker Foundation for Nonprofit Management, Max De Pree, Frances Hesselbein, Peter F. Drucker, The Peter F. Drucker Foundation Lessons from a legand! Over the span of his 60-year career, Peter F. Drucker has worked with many exemplary leaders in the nonprofit sector, government, and business. Here, he presents inspirational portraits of five outstanding leaders, showing how each brought different strengths to the task, and shares the lessons we can learn from their appr... more »oaches to leadership. Help your group recognize their own particular strengths in leadership. Learn to: