Dr. Sunita Sah wearing a navy blazer and white shirt, standing outdoors with blurred autumn trees in background.

WHO IS DR. SUNITA SAH?

Dr. Sunita Sah investigates what makes us comply. She is a bestselling author, a seasoned public speaker, an award-winning organizational psychologist, and tenured professor at Cornell University who has conducted groundbreaking research on defiance, advice, and influence.

A trained physician, she practiced medicine in the United Kingdom and worked as a management consultant for the pharmaceutical industry. She currently teaches executives, leaders, and students in healthcare and business. Dr. Sah is the bestselling author of Defy, a sought-after international speaker and consultant, advisor to government agencies, and former Commissioner of the National Commission on Forensic Science. Her multidisciplinary research and analyses have been widely published in leading academic journals and media entities including The New York Times, Los Angeles Times, Harvard Business Review, and Scientific American.

Stack of books titled "DEFY" by Dr. Sunita Sah, cover reads "The Power of NO in a World That Demands Yes."

DEFY: The Power Of No In A World That Demands Yes

“A POWERFUL TRANSFORMATIVE READ”

—Daniel H. Pink

“A MUST READ FOR ALL”

—Robert B. Cialdini

“A CULTURE SHIFTING MANIFESTO”

—Jonah Berger

“A POWERFUL BOOK”

—Adam Grant

Dr. Sunita Sah with long black hair, wearing a green shirt and gold jewelry, smiling outdoors with a blurred green background.

MORE ABOUT SUNITA

Dr. Sah is a professor, author, speaker, and consultant who helps executives and leaders make key decisions, think critically, negotiate, and transform their organizations.

Speaker

Dr. Sah engages audiences across business, healthcare, and academia with her inspiring and insightful talks. She delivers keynotes and workshops on various topics, including decision-making, critical thinking, leadership, defiance, and negotiation skills. She has given hundreds of invited talks to businesses, governments, and academic institutions worldwide.

Consultant

Dr. Sah uses her expertise to inform and advise organizations, businesses, and governments on managing conflicts of interest and improving decision-making and negotiating skills with critical thinking and better leadership.

Author

Dr. Sah helps people reclaim their agency and defy the forces that keep us silent and compliant.

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Order DEFY: The Power of No In A World That Demands Yes

Dr. Sah’s definitive book examining how to defy and spreak up when it matters.

Researcher

Dr. Sah is an award-wining interdisciplinary scholar who studies defiance, advice, and influence with the aim of improving outcomes and mitigating inequalities in healthcare and society.

Find all Dr. Sah’s peer-reviewed and academic publications on Google Scholar.