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based on 22,543 reviewers

Become A Cialdini Certified Agency

  • The only official Cialdini Certified Agency program
  • Unique framework to boost conversions for your clients
  • Exclusive quality mark to boost your authority
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“As a certified agency, you’ll be able to drive results that benefit all: clients, employees, and your agency.”

- Dr. Robert Cialdini 


What Influential Business Leaders Say

Warren Buffett

Warren Buffett

CEO Berkshire Hathaway

Influence’ is one of the best business books of all time.”


Tobias Lütke

Founder Shopify

“‘Influence’ is a book that made me a billionaire.


Alex Hormozi

Entrepreneur, investor

“Influence’ is a must-read for entrepreneurship, sales, and marketing.”

Gwyneth Paltrow-1-1

Gwyneth Paltrow

Oscar-Winning Actress, CEO goop

“This ‘Influence’ is a classic: it delves into how and why influence works and the specific dynamics at play when leading a company.”


Guy Kawasaki

Silicon Valley Venture Capitalist

“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.”


Tim Ferriss

Lifestyle Expert and Bestselling Author

“I would really encourage people to study books like Influence,’ so you get a fundamental set of principles that you can apply online, offline, to different tools, to direct copy, to complex sales in big organizations…”

gerry allen 2

Gerry Allen

Former Vice President IBM

“I have always been impressed with his integrity, his honesty, his high ethics standards, the way that he conducts his life and his business.”


Joe Polish

Founder Genius Network

The new ‘Influence’ is nothing short of a masterpiece. The writing is both timeless and worth reading immediately.


Tamsin Henderson

Owner Copy Kooks

“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.”


Charlie Munger

Vice Chairman Berkshire Hathaway

“Robert Cialdini has had a greater impact on my thinking than any other scientist.”

Chris Voss

Chris Voss

Wall Street Journal Best-Selling Author

“Anyone who wants their abilities in communication or negotiation to be at their highest level has to read Robert Cialdini's book. Your knowledge base is simply incomplete without it.”

Constance Dierickx 2

Constance Dierickx

The Decision Doctor

“Cialdini is the expert on influence. His research reveals principles that any leader, or any person for that matter, can apply.”

Rory Sutherland-1

Rory Sutherland

Vice Chairman Ogilvy & Mather

“His work, in codifying human behavior, has been priceless.”

Naval Ravikant

Naval Ravikant

Entrepreneur and Angel Investor

Influence’: classic, classic book. Everybody should read it, memorize it, and understand that the way that people influence other people is consistency, liking, authority, social proof, scarcity, and reciprocity.”

Annie Duke-1

Annie Duke

Professional Poker Champion

“Robert Cialdini is a pioneer in translating complex scientific work into a fun and digestible form that the rest of us can understand and benefit from.”

Barry Ritholtz-1

Barry Ritholtz

Chairman and CIO Ritholtz Wealth Management

“Dr. Robert Cialdini has long been recognized as a leading voice in the fields of persuasion, compliance, and negotiation.”

Science-Based Framework To Boost Results

You’ll benefit from a unique framework that combines all insiders’ knowledge on Dr. Cialdini’s Principles of Persuasion with a highly practical, science-based behavioral model. This will enable you to systematically boost the results of your clients in every field – both online and offline. Here are some examples of the results you can expect:

  • More consumer leads

    +22.2% by optimizing a contact form in a highly competitive market (real estate company)

  • More donations

    +30.7% by adjusting the checkout flow (non-governmental organization)

  • More online sales

    +146% by using ‘Science-Based Framework’ with proven behavioral principles (corporate gifts company)

  • More reviews

    +400% by using the Simple Question strategy (e-commerce platform)

  • More business leads

    +328% by using Unity and Social Proof in LinkedIn campaigns (educational institution)

  • More shop floor sales

    +$3,380,000 by optimizing Social Proof on a lead generating website (kitchen company)

Become A Cialdini Certified Agency Read about the impact for your agency

How Industry-Leading Marketeers Benefit

Scott Brandley, DJ Sprague

CEO & CMO, Shopper Approved
A Cialdini Certified Diamond Agency

“The Influence techniques, combined with behavioral design and CRO strategies, contain the secrets to unlocking the gold rush of our time. We’ve changed our entire business because of what we’ve learned.”

Jente Kamphuis

CEO, VIP Marketing
A Cialdini Certified Gold Agency

“Applying the Cialdini Institute's science-based framework leads to astounding conversion boosts. More importantly, it enables us to let our customers and employees win again and again.”

Stefan van Ballegooie

Team Lead Digital Transformation

“Finally! A systematic approach that is both science-based and practically applicable. This not only boosts our results over a wide variety of products and disciplines, but also enhances our expertise and job satisfaction.”

Join The Elite Of Cialdini Certified Agencies

This science-based framework is a unique opportunity for any agency seeking a proven approach to structurally improving their results. Whether you aim for immediate sales growth or lasting client and employee relationships, this program will get you there.

  • Win more pitches

  • Attract new clients

  • Extend client lifecycle

  • Add revenue streams

  • Win the war on talent

  • Motivate your employees

  • Increase proposal acceptance

  • Win more negotiations

Become A Cialdini Certified Agency

Created By World-Renowned Experts


Dr. Robert Cialdini

Dr. Cialdini is known globally as the foundational expert in the science of influence and its ethical application.

His seven Principles of Persuasion have become a cornerstone for people serious about increasing their influence. The results of his scientific research, his sold-out keynotes, and his bestselling books have earned him a worldwide reputation and the label of "Godfather of Influence". Ask 100 of the world’s top CEOs and entrepreneurs (including Elon Musk, Mark Cuban, and Jeff Bezos), and the book they most frequently mention is 'Influence.'*

* Research by The Ways to Wealth, January 2022.



Dr. Gregory Neidert

Dr. Gregory Neidert is a Board member of the Cialdini Institute. He has conducted research with Dr. Cialdini and is the director for Influence at Work.

As a professor of psychology and C-level organizational consultant, Dr. Neidert has worked with hundreds of clients in business, non-profit, and government. To help them successfully apply the Principles of Persuasion, he developed the Core Motives Model of Social Influence, which Dr. Cialdini regards as “indispensable in understanding why and how to most effectively apply the Principles of Persuasion.”

Bas Wouters

Bas Wouters is Co-Founder and the CEO of the Cialdini Institute. He has been a confidant of Dr. Cialdini for years, both personally and in business.

After generating millions in sales as an entrepreneur, Wouters became a world-class expert in persuasion and behavior design. In his bestselling and award-winning book Online Influence he combines Dr. Cialdini’s work with that of other renowned behavior experts. Dr. Cialdini asked Wouters to become CEO of the Cialdini Institute “because of the unique set of qualities he has as a persuasion expert, successful businessman, and close friend.”

3 Levels To Boost Your Authority


Full agency support & program
Accreditation to use Silver badge

Starting from 6 Cialdini Certified Practitioners


Full agency support & program
Accreditation to use Gold badge

Starting from 12 Cialdini Certified Practitioners


Full agency support & program
Accreditation to use Diamond badge

Starting from 12 Cialdini Certified Practitioners


Indispensable Power Skill

Research from LinkedIn shows that persuasion is one of the top 5 in-demand power
in today’s professional workplace.

Contact Us

Science-based framework

To boost results

Agency-wide benefits

For sustainable business growth

Official certificates

Signed by Dr. Cialdini

Official quality mark

Silver, Gold or Diamond

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The Proven Value Of Comprehensive Training

“A study found that when companies offer comprehensive training programs, they have
218% higher income per employee than companies without formalized training.
These companies also enjoy a 24% higher profit margin.”

What Scientists Say

Daniel Kahneman

Daniel Kahneman

Emeritus Professor of Psychology
Nobel Prize Winner

“Bob Cialdini is a great observer, and keen observations have been the key to some of his great work... It’s really inspiring to look at his work.”

Richard Thaler

Richard Thaler

Professor of Behavioral Science
Economics Nobel Prize Winner

“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’.”

Betsy Levy Paluck

Betsy Levy Paluck

Professor of Psychology and Public Affairs

“’Influence’ will continue to clarify and inspire the art and science of persuasion for years to come.”

Angela Duckworth

Angela Duckworth

University of Pennsylvania

“Not only is he a world-class psychologist, he is a world-class human being.”

Adam Grant

Adam Grant

Professor of Management and Psychology

“Without Bob Cialdini, I would not be a psychologist.”

Daniel Shapiro

Daniel Shapiro

Founder Harvard International Negotiation Program

“Whether you seek to boost sales, strike a better deal, or improve your relationships, ‘Influence’ offers scientifically tested principles that can change your life.”

Dorie Clark

Dorie Clark

Executive Education Professor

“‘Influence’ is a modern business classic that has profoundly shaped the fields of marketing and psychology.”

Noah Goldstein

Noah Goldstein

Professor of Management and Organizations

“When people find out that Bob Cialdini was my mentor, the most common response is: ‘Bob Cialdini is my hero.’ He is everything we hope to be as academics and frankly as people.”

Katherine Milkman

Katherine Milkman

Professor of Psychology

“Bob Cialdini is unquestionably one of the greatest social psychologists of the last century.”


American Psychological Association

“Robert Cialdini has been the go-to psychology expert in marketing since his best-selling book ‘Influence’.”

Peter Killeen

Peter Killeen

Emeritus Professor of Psychology

“Bob has always imbued his work with ethical principles. He’s always sought and found good reasons – economic reasons – for being ethical.”

Mark Schaller

Mark Schaller

Professor of Psychology

“Bod has always had a real skill and a talent for connecting the science to stuff that real people – even if they’re not academics – actually care about.”

Richard E- Petty-1

Richard E. Petty

Professor of Psychology

“Bob’s work represents the very best of social psychology, combining both basic theory and conceptual along with an important application to the real world.”

Todd Rogers

Todd Rogers

Professor of Public Policy

“Future generations of psychologists will benefit and take inspiration from the approach that Bob uses to develop research ideas and ultimately study them.”

Nancy Gonzales

Nancy Gonzales

University Provost

“Distinguished scholar, tremendous mentor, researcher, educator… Bob has truly been a scientist to emulate in so many ways.”

Trusted By Leading Enterprises Around The World

Contact Us

We’re happy to help you, whatever your question. For substantive questions, our Chief Commercial Officer, Jente Kamphuis, will contact you. 

Jente Kamphuis - Circle Image
Jente Kamphuis
Chief Commercial Officer


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Any Last Questions Before You Contact Us?

Here’s a list of questions we often receive, as well as the answers to them.
If your question is not on the list, feel free to reach out to our Solutions Team.

Each module has multiple instructional videos, followed by a 10-question quiz. This quiz is primarily a learning exercise: the instant feedback will help you better understand the most important lessons from the module. You can answer the questions as many times as you want, until you get all the answers right. So, no stress!

The final exam consists of two parts. After you’ve completed all modules belonging to the part you’re working on, you’ll receive an invitation to take its exam. Both online exams are approximately 1 hour in length, and you can take them whenever and wherever you want.

To pass the exam, you need to answer 70% of the questions of each of the two parts correctly. No worries: if you prepare thoroughly, we’re confident you’ll make it. If you don’t pass the first time, you can still take two additional exams ($ 97 each) for both parts.

You’ll follow the same modules on the Principles of Persuasion that the Cialdini Influence Practitioner program offers (modules 1–10). However, that’s only half of your learning program. You’ll also follow a high-level coaching program with instructional videos (modules 11–12) and coaching by Dr. Cialdini’s Faculty members. 

Please fill in the contact form on this page and one of our program consultants will be happy to assist you.