Reviews & Testimonials
Below, we showcase the authentic experiences and feedback from our valued customers. We believe that hearing directly from those who have benefited from our products or services can provide valuable insights and help you make informed decisions.
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- 4.6/5
based on 23,949 reviews
![Warren Buffett](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Warren%20Buffett.png)
Warren Buffett
CEO Berkshire Hathaway
![Berkshire Hathaway logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Berkshire%20Hathaway%20logo%20white.png)
“‘Influence’ is one of the best business books of all time.”
![Gwyneth Paltrow](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Gwyneth%20Paltrow.png)
Gwyneth Paltrow
Oscar-Winning Actress, CEO goop
![Goop logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Goop%20logo%20white.png)
“This ‘Influence’ is a classic: it delves into how and why influence works and the specific dynamics at play when leading a company.”
![Alex-Hormozi.](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Alex-Hormozi..jpg)
Alex Hormozi
Entrepreneur, investor
![Acquisition.com logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Acquisition.com%20logo%20white.png)
“Influence’ is a must-read for entrepreneurship, sales, and marketing.”
![Tobias Lutke](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Tobias%20Lutke.jpg)
Tobias Lutke
Founder Shopify
![Shopify logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Shopify%20logo%20white.png)
“‘Influence’ is a book that made me a billionaire.”
![Tamsin Henderson](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Tamsin%20Henderson.jpg)
Tamsin Henderson
Owner Copy Kooks
![Copy cooks logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Copy%20cooks%20logo%20white.png)
“I recommend inhaling anything you can get your hands on by Robert Cialdini — books, podcasts, videos. He is the undisputed master of all things persuasion.”
![guy_kawasaki old](https://cialdini.com/hubfs/guy_kawasaki%20old.png)
Guy Kawasaki
Silicon Valley Venture Capitalist
![Canva logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Canva%20logo%20white.png)
“Cialdini is the ‘Godfather of Influence.’ His book is the guiding light for how I conduct business – and in many ways how I live my life.”
![Russell-Brunson](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Russell-Brunson.jpg)
Russel Brunson
Bestselling Author & Founder of ClickFunnels
![Clickfunnels logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Clickfunnels%20logo%20white.png)
"I've been a fan of Dr. Cialdini for 2 decades! His work has had an insane impact on my business and life - thank you!"
![Rory Sutherland](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Rory%20Sutherland.png)
Rory Sutherland
Vice Chairman Ogilvy & Mather
![Ogilvy logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Ogilvy%20logo%20white.png)
“His work in codifying human behavior, has been priceless.”
![Richard Thaler](https://cialdini.com/hubfs/Website%20Upgrade/Headshots%20Testimonials/Business%20Leaders%20and%20Scientists/Richard%20Thaler.jpeg)
Richard Thaler
Professor of Behavioral Science & Economics Nobel Prize Winner
![Chicago University logo white](https://cialdini.com/hubfs/Website%20Upgrade/Company%20logos/White%20logos%20for%20testimonials/Chicago%20University%20logo%20white.png)
“If the President had to have one advisor with him at all times, my nomination would be Bob Cialdini, the world’s most practical social psychologist, and the master of ‘Influence’.”
![](https://cialdini.com/hubfs/blank-profile-picture-g49517687f_640-1.png)