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Upside-Down Leadership: A Zoo Veterinarian's Journey to Becoming a Servant Leader

Influence—much more than power and authority—brings the truest significance to a career. But what does influence look like? How do you get it? As Don Janssen discovered, real influence comes through humble, service-based leadership.

Upside-Down Leadership is a groundbreaking book by San Diego Zoo Global’s retired corporate director of animal health. It provides a fresh—and highly practical—approach to leadership. With engaging stories from Janssen’s remarkable veterinary career, eye-opening interviews, and step-by-step advice, this book teaches future leaders from any field how to make a lasting, influential difference in the organization they serve.

"I often use Don as an example of one person who steadily grew his influence as a servant leader and has had such a positive impact on so many lives." —Robin Swift, President, Servant Leadership Institute

"The style of leadership that Don Janssen presents in this book is a cornerstone of the success of San Diego Zoo Global. It is a style of leadership that asks us to listen to our constituents and work to serve their interests. We listened, and we have taken on an international conservation role—serving a world community in an effort to save our beloved species from extinction.” —Douglas Myers, Former President and CEO, San Diego Zoo Global