Barry Z. Z. Posner

The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations

von James M. M. Kouzes & Barry Z. Z. Posner

The 25th anniversary edition of the bestselling business classic, completely revised and updated

For more than 25 years, The Leadership Challenge has been the most trusted source on becoming a better leader,...

The Leadership Challenge Workbook

von James M. M. Kouzes & Barry Z. Z. Posner

Based on Jim Kouzes and Barry Posner's classic book The Leadership Challenge, this Workbook will be your hands-on guide for improving your ability to put into action the Five Practices of Exemplary Leadership®...