Learn the science of influence and become a better leader.

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Fifteen years ago, Influencer introduced the business world to a bold idea: true leadership depends not on position or personality, but on an understanding of how the world works.

Drawing on 50 years of social science research and the study of leaders around the world, Crucial Influence reveals a method for engaging personal, social, and environmental forces to influence behavior.

Clear, practical, and rich with case studies, this new edition will assist new and experienced leaders at every level as they attempt to do that which defines a leader: influence others.

The third edition of Influencer—now titled Crucial Influence—teaches leaders how to harness personal, social, and environmental forces to influence behavior for good.

Crucial Influence

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Leadership Skills to Create Lasting Behavior Change

"Influencing human behavior is one of the most difficult challenges faced by leaders. This book provides powerful insight into how to make behavior change that will last."

"AN INSTANT CLASSIC. Whether you're leading change or changing your life, this book delivers."

"This book provides a practical approach to lead change and empower us all to make a difference."

Sidney Taurel

Mohammad Yunus

Stephen Covey

Chairman Emeritus, Eli Lilly and Co.

Nobel Peace Prize Winner, Entrepreneur

Author, The 7 Habits of Highly Effective People

The Story Behind the Book

Learn more about the history and research behind Crucial Influence with coauthor Joseph Grenny.

"Influencing human behavior is one of the most difficult challenges faced by leaders. This book provides powerful insight into how to make behavior change that will last."

"AN INSTANT CLASSIC. Whether you're leading change or changing your life, this book delivers."

"This book provides a practical approach to lead change and empower us all to make a difference."

Sidney Taurel

Mohammad Yunus

Stephen Covey

Chairman Emeritus, Eli Lilly and Co.

Nobel Peace Prize Winner, Entrepreneur

Author, The 7 Habits of Highly Effective People

"Influencing human behavior is one of the most difficult challenges faced by leaders. This book provides powerful insight into how to make behavior change that will last."

"AN INSTANT CLASSIC. Whether you're leading change or changing your life, this book delivers."

"This book provides a practical approach to lead change and empower us all to make a difference."

Sidney Taurel

Mohammad Yunus

Stephen Covey

Chairman Emeritus, Eli Lilly and Co.

Nobel Peace Prize Winner, Entrepreneur

Author, The 7 Habits of Highly Effective People

Learn the science of influence and become a better leader.

Fifteen years ago, Influencer introduced the business world to a bold idea: true leadership depends not on position or personality, but on an understanding of how the world works.

Drawing on 50 years of social science research and the study of leaders around the world, Crucial Influence reveals a method for engaging personal, social, and environmental forces to influence behavior.

Clear, practical, and rich with case studies, this new edition will assist new and experienced leaders at every level as they attempt to do that which defines a leader: influence others.