Grow your revenue by understanding why your customers buy.

Nii helps you understand why your customers buy—and why they say no—then uses those insights to improve your product, marketing and sales.

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Thanks for stopping by. I’m glad you’re here. If you’d like to connect, I’d love to hear from you.

Thanks for stopping by. I’m glad you’re here. If you’d like to connect, I’d love to hear from you.

Nii Codjoe
Fractional Growth Advisor

Nii Codjoe
Fractional Growth Advisor

What Experts Say

Photo of Robert Cialdini

Dr. Robert Cialdini

Social Psychologist
Professor Emeritus, Arizona State University
New York Times bestselling author
Worked with Nii at The Cialdini Institute

"Nii Codjoe has a rare ability to see what others miss in human behavior and translate rigorous research into insights that people and organizations can put to work."

Sima S

Sima Sistani

Former WeightWatchers CEO
Board Member, Best Buy
Worked with Nii at WeightWatchers

WeightWatchers

“Nii is a strategic thinker who sees connection between customer needs and business goals.”

Gary Klein

Dr. Gary Klein

Cognitive Psychologist
Chief Scientist, Shadowbox
Bestselling Author of Sources of Power
Hired Nii at ShadowBox

ShadowBox

“Nii sees the underlying structure of problems with unusual clarity. His disciplined judgment has made him a trusted thought partner for me and my team. I learn something new every time we speak.”

Image of Alix P.

Deb Benovitz

Former Chief Insights Officer, WW
Former VP, Consumer Insights, PepsiCo
Managed Nii at WeightWatchers

“Nii is one of the strongest researchers I’ve worked with in my 30-year career.”

What Experts Say

Photo of Robert Cialdini

Dr. Robert Cialdini

Social Psychologist
Professor Emeritus, Arizona State University
New York Times bestselling author
Worked with Nii at The Cialdini Institute

"Nii Codjoe has a rare ability to see what others miss in human behavior and translate rigorous research into insights that people and organizations can put to work."

Sima S

Sima Sistani

Former WeightWatchers CEO
Board Member, Best Buy
Worked with Nii at WeightWatchers

WeightWatchers

“Nii is a strategic thinker who sees connection between customer needs and business goals.”

Gary Klein

Dr. Gary Klein

Cognitive Psychologist
Chief Scientist, Shadowbox
Bestselling Author of Sources of Power
Hired Nii at ShadowBox

ShadowBox

“Nii sees the underlying structure of problems with unusual clarity. His disciplined judgment has made him a trusted thought partner for me and my team. I learn something new every time we speak.”

Image of Alix P.

Deb Benovitz

Former Chief Insights Officer, WW
Former VP, Consumer Insights, PepsiCo
Managed Nii at WeightWatchers

“Nii is one of the strongest researchers I’ve worked with in my 30-year career.”

What Experts Say

Photo of Robert Cialdini

Dr. Robert Cialdini

Social Psychologist
Professor Emeritus, Arizona State University
New York Times bestselling author
Worked with Nii at The Cialdini Institute

"Nii Codjoe has a rare ability to see what others miss in human behavior and translate rigorous research into insights that people and organizations can put to work."

Sima S

Sima Sistani

Former WeightWatchers CEO
Board Member, Best Buy
Worked with Nii at WeightWatchers

WeightWatchers

“Nii is a strategic thinker who sees connection between customer needs and business goals.”

Gary Klein

Dr. Gary Klein

Cognitive Psychologist
Chief Scientist, Shadowbox
Bestselling Author of Sources of Power
Hired Nii at ShadowBox

ShadowBox

“Nii sees the underlying structure of problems with unusual clarity. His disciplined judgment has made him a trusted thought partner for me and my team. I learn something new every time we speak.”

Image of Alix P.

Deb Benovitz

Former Chief Insights Officer, WW
Former VP, Consumer Insights, PepsiCo
Managed Nii at WeightWatchers

“Nii is one of the strongest researchers I’ve worked with in my 30-year career.”

What Experts Say

Photo of Robert Cialdini

Dr. Robert Cialdini

Social Psychologist
Professor Emeritus, Arizona State University
New York Times bestselling author
Worked with Nii at The Cialdini Institute

"Nii Codjoe has a rare ability to see what others miss in human behavior and translate rigorous research into insights that people and organizations can put to work."

Sima S

Sima Sistani

Former WeightWatchers CEO
Board Member, Best Buy
Worked with Nii at WeightWatchers

WeightWatchers

“Nii is a strategic thinker who sees connection between customer needs and business goals.”

Gary Klein

Dr. Gary Klein

Cognitive Psychologist
Chief Scientist, Shadowbox
Bestselling Author of Sources of Power
Hired Nii at ShadowBox

ShadowBox

“Nii sees the underlying structure of problems with unusual clarity. His disciplined judgment has made him a trusted thought partner for me and my team. I learn something new every time we speak.”

Image of Alix P.

Deb Benovitz

Former Chief Insights Officer, WW
Former VP, Consumer Insights, PepsiCo
Managed Nii at WeightWatchers

“Nii is one of the strongest researchers I’ve worked with in my 30-year career.”

FROM NII’S INC. MAGAZINE COLUMN

Discover What Makes People Tick, Click & Buy

Stop leaving sales on the table

Stop leaving sales on the table

Let’s talk about where customers hesitate, what you may be missing, and whether working together makes sense. Book a 30-minute growth call

Inc. Magazine Columnist | Behavioral Researcher | Fractional Growth Advisor

Inc. Magazine Columnist | Behavioral Researcher | Fractional Growth Advisor

Inc. Magazine Columnist | Behavioral Researcher | Fractional Growth Advisor