Testimonials
What Our Clients Say
Hear directly from people who’ve transformed their business with our solutions
Jay Abraham
Founder and President of The Abraham Group
"I can't imagine anybody who's got volatility and the vagaries of the world today are converging and causing complexity and confusion and uncertainty wouldn't be monstrously benefited by the man. His work is impeccable; he's exquisitely clear."
Dr. Graham Edwards
ex-CEO of AECI and Managing Director of African Explosives Ltd
"I knew that I'd found the right guy... our company benefited massively from Alan's input, and I think his professionalism, his passion, and his enthusiasm really made it a pleasure working with him."
Robert Meshew
CTO of Microsoft Global Supply Chain
“The outcome has been nothing short of remarkable… We’ve seen service levels rise by over 5% and inventory levels drop by a quarter billion dollars.”
Dr. Curt Carlson
Former CEO of SRI International in Silicon Valley
"Alan taught me everything I know about the Theory of Constraints, which has been a remarkable journey in learning how to reframe problems and get to their core effectively."
Jason Fladlien
CEO of Rapid Crush and #1 Webinar Expert in the World
"There's only like maybe two, maybe three ways of doing it, so less is more. It's actually easier to go 10x than it is 10%."
Anthony Nathan
Start-up Investor and Co-Founder, TMARA Group
"Alan has had a tremendous effect on us, our business, and the way we do business, as well as the impact we've had in the early-stage startup and investment space."
Kary Bheemaiah
TEDx Speaker and Engagement Manager for Fahrenheit 212s
"I'm very very happy that I met Alan because it really opened up a totally new way of looking at the world which I wouldn't have had if I hadn't met him before"
Nick Sonnenberg
CEO of Leverage and Best Selling Author
"He is world class and an expert in his field.."
Georgious Pallikaridis
VP Sales, Les Olson
"Alan helped me see through leadership, Alan helped me see through how to grow sales, how to grow the organization."
Henry Bosa
CEO of Henpro Solutions and ex-CIO Payments of FMB Banking
"With Alan's help, I've taken action to implement his ideas, and the outcome is amazing."
Sunshine Chapman
CEO of Marketing Sunshine
"Dr. Alan inspired us to look at business and life differently."
David Lykken
Founder of Transformational Mortgage Solutions and Host of "Lykken on Lending"
"I was fascinated with his thoughts and wisdom as he explained the concepts involved with the Theory of Constraints. I quickly saw how this could be a real game changer in dealing with seemingly complex problems facing the mortgage industry..."
Sara Wolfe
Entrepreneur, Investor, Advisor, Podcaster, and Founder of Iconic Women's Collective
“Dr. Barnard helped me realize the powerful difference between being impact-driven and income-driven—and that true success comes from bringing the two into harmony.”
Ragne Sinikas
Founder of the World Women Conference and Awards WWCA
“Dr. Barnard’s insights into why good people make bad decisions and how to find simplicity in complexity were absolutely eye-opening—and his work is already creating extraordinary results for our community.”
Seth Page
Chief Operations Officer and Co-Founder of throughput.ai
“Dr. Barnard is one of the most active, insightful, and inspiring advisory board members I’ve ever worked with—his ability to challenge assumptions and expand vision is second to none.”
Daniella Princi
Psychologist
“The Odyssey program provides a powerful framework to move from emotional reaction to conscious, rational decision-making—a true breakthrough for anyone facing recurring challenges.”
Sayumi Ishibashi
President of Japan Uniflow
“Dr. Barnard’s guidance through the Odyssey program transformed how I approach business and life. His dedication and responsiveness continue to inspire our whole team.”
Henry Camp
CEO of IDEA LLC
“Alan is a brilliant thinker and innovator—one of the few people I’ve seen challenge Eli Goldratt, pioneer new tools like Harmony, and tackle projects no one else dares to take on.”
Ana Maria Conde
Service Manager in Edu1st Columbia
“Alan has been a guiding voice in my life, reminding me of what I can achieve when I focus on the right things. His mentorship and belief in me have shaped who I am today.”
Dr. Barry Morgenstern
Board Certified Behavior Analyst
“Alan’s ProConCloud has helped me—and countless others—tackle personal, professional, and business challenges with clarity and confidence.”
Debi Roberts
CEO, Ollie Foundation
“Through his guidance and the ProConCloud, Alan empowers individuals to make better, faster decisions when it truly matters, even in life-altering situations.”
Suzanne Ravenall
Founder and CEO of The Ravenall Institute and The Effectiveness Company
“Alan’s willingness to help others, his passion, insight, and genuine heart have always been absolutely extraordinary to me.”
Larry Perlov
Chief Executive Officer of Illumiti
“Working directly with Alan and Eliyahu Goldratt on the Random House project left a deep impact on my thinking and the way I’ve worked ever since.”
Rocco Surace
CPA and Partner at The Bonadio Group
“Few have continued developing the Theory of Constraints body of knowledge like Alan Barnard. His work has truly enriched the world.”
Natasha Devon, MBE
Mental Health Campaigner, Best-Selling Author
“Dr. Alan’s insights on the science of decision-making have helped thousands of young people make tough life choices with confidence.”
Lenka Keenhen
Co-Founder EarnMoreWorkLess
“In one day, I was able to solve a business decision that had frustrated me for a year — thanks to Dr. Alan Barnard’s One Day Odyssey and the Harmony Decision Maker app.”
Dr. Hadi Nosseir
Chief Stretegist, Elysiam GLobal
“Using the ProConCloud method, I was able to make a tough decision in hours — leaving corporate life for entrepreneurship — with clarity and confidence.”
Amir Roggel
Innovation Leader, Intel Corporation
“The Odyssey workshop was the most cost-effective and useful decision-making tool I’ve seen in many years.”
Scott Henderson
Studio Director at BBC
“Harmony has helped our team implement major changes in record time — and motivated us to tackle projects we’d never prioritized before.”
Faye
Project Manager with Aerospace company
“Harmony helped us focus on what truly matters, avoid multitasking, and achieve our goals more successfully.”
Tamio Ishibashi
Executive Vice President, Daiwa House Group
“Alan is like a mentor — he shows that even the toughest challenges aren’t impossible.”
Eli Schragenheim
Author and Theory of Constraints Expert
“I’m amazed at how you’ve turned simulation skills into a powerful decision-making tool for management.”
Rudi Burkhard
Strategy Advisor and Theory of Constraints Expert
“Alan has this unique ability to trigger insights — just a short chat with him can unlock the solution.”
Craig Collins
CEO of Granite WMS (Warehouse Management Systems)
“I never leave a conversation with Alan without learning something new.”
Kevin Lueders
VP Global Technical Delivery Darktrace and ex-Sr. Director Cisco Systems
“Alan once told me, ‘You can choose to be right, or you can choose to be happy — and being right is vastly overrated.’ It’s wisdom that has shaped my life ever since.”
Leandro Samuels
CEO of Samuels Group
“You’ve built a global legacy in social impact and humanitarian work, and I’m grateful to have walked beside you in pursuing those visions and dreams.”
Julia Plieva
CEO of Apple Consulting
“Every interaction with Dr. Alan Barnard brings fresh insights and lasting value — in work and in life.”
What Our Clients Say
Hear directly from people who’ve transformed their business with our solutions
Jay Abraham
Founder and President of The Abraham Group
"I can't imagine anybody who's got volatility and the vagaries of the world today are converging and causing complexity and confusion and uncertainty wouldn't be monstrously benefited by the man. His work is impeccable; he's exquisitely clear."
Dr. Graham Edwards
ex-CEO of AECI and Managing Director of African Explosives Ltd
"I knew that I'd found the right guy... our company benefited massively from Alan's input, and I think his professionalism, his passion, and his enthusiasm really made it a pleasure working with him."
Robert Meshew
CTO of Microsoft Global Supply Chain
“The outcome has been nothing short of remarkable… We’ve seen service levels rise by over 5% and inventory levels drop by a quarter billion dollars.”
Dr. Curt Carlson
Former CEO of SRI International in Silicon Valley
"Alan taught me everything I know about the Theory of Constraints, which has been a remarkable journey in learning how to reframe problems and get to their core effectively."
Jason Fladlien
CEO of Rapid Crush and #1 Webinar Expert in the World
"There's only like maybe two, maybe three ways of doing it, so less is more. It's actually easier to go 10x than it is 10%."
Anthony Nathan
Start-up Investor and Co-Founder, TMARA Group
"Alan has had a tremendous effect on us, our business, and the way we do business, as well as the impact we've had in the early-stage startup and investment space."
Kary Bheemaiah
TEDx Speaker and Engagement Manager for Fahrenheit 212s
"I'm very very happy that I met Alan because it really opened up a totally new way of looking at the world which I wouldn't have had if I hadn't met him before"
Nick Sonnenberg
CEO of Leverage and Best Selling Author
"He is world class and an expert in his field.."
Georgious Pallikaridis
VP Sales, Les Olson
"Alan helped me see through leadership, Alan helped me see through how to grow sales, how to grow the organization."
Henry Bosa
CEO of Henpro Solutions and ex-CIO Payments of FMB Banking
"With Alan's help, I've taken action to implement his ideas, and the outcome is amazing."
Sunshine Chapman
CEO of Marketing Sunshine
"Dr. Alan inspired us to look at business and life differently."
David Lykken
Founder of Transformational Mortgage Solutions and Host of "Lykken on Lending"
"I was fascinated with his thoughts and wisdom as he explained the concepts involved with the Theory of Constraints. I quickly saw how this could be a real game changer in dealing with seemingly complex problems facing the mortgage industry..."
Sara Wolfe
Entrepreneur, Investor, Advisor, Podcaster, and Founder of Iconic Women's Collective
“Dr. Barnard helped me realize the powerful difference between being impact-driven and income-driven—and that true success comes from bringing the two into harmony.”
Ragne Sinikas
Founder of the World Women Conference and Awards WWCA
“Dr. Barnard’s insights into why good people make bad decisions and how to find simplicity in complexity were absolutely eye-opening—and his work is already creating extraordinary results for our community.”
Seth Page
Chief Operations Officer and Co-Founder of throughput.ai
“Dr. Barnard is one of the most active, insightful, and inspiring advisory board members I’ve ever worked with—his ability to challenge assumptions and expand vision is second to none.”
Daniella Princi
Psychologist
“The Odyssey program provides a powerful framework to move from emotional reaction to conscious, rational decision-making—a true breakthrough for anyone facing recurring challenges.”
Sayumi Ishibashi
President of Japan Uniflow
“Dr. Barnard’s guidance through the Odyssey program transformed how I approach business and life. His dedication and responsiveness continue to inspire our whole team.”
Henry Camp
CEO of IDEA LLC
“Alan is a brilliant thinker and innovator—one of the few people I’ve seen challenge Eli Goldratt, pioneer new tools like Harmony, and tackle projects no one else dares to take on.”
Ana Maria Conde
Service Manager in Edu1st Columbia
“Alan has been a guiding voice in my life, reminding me of what I can achieve when I focus on the right things. His mentorship and belief in me have shaped who I am today.”
Dr. Barry Morgenstern
Board Certified Behavior Analyst
“Alan’s ProConCloud has helped me—and countless others—tackle personal, professional, and business challenges with clarity and confidence.”
Debi Roberts
CEO, Ollie Foundation
“Through his guidance and the ProConCloud, Alan empowers individuals to make better, faster decisions when it truly matters, even in life-altering situations.”
Suzanne Ravenall
Founder and CEO of The Ravenall Institute and The Effectiveness Company
“Alan’s willingness to help others, his passion, insight, and genuine heart have always been absolutely extraordinary to me.”
Larry Perlov
Chief Executive Officer of Illumiti
“Working directly with Alan and Eliyahu Goldratt on the Random House project left a deep impact on my thinking and the way I’ve worked ever since.”
Rocco Surace
CPA and Partner at The Bonadio Group
“Few have continued developing the Theory of Constraints body of knowledge like Alan Barnard. His work has truly enriched the world.”
Natasha Devon, MBE
Mental Health Campaigner, Best-Selling Author
“Dr. Alan’s insights on the science of decision-making have helped thousands of young people make tough life choices with confidence.”
Lenka Keenhen
Co-Founder EarnMoreWorkLess
“In one day, I was able to solve a business decision that had frustrated me for a year — thanks to Dr. Alan Barnard’s One Day Odyssey and the Harmony Decision Maker app.”
Dr. Hadi Nosseir
Chief Stretegist, Elysiam GLobal
“Using the ProConCloud method, I was able to make a tough decision in hours — leaving corporate life for entrepreneurship — with clarity and confidence.”
Amir Roggel
Innovation Leader, Intel Corporation
“The Odyssey workshop was the most cost-effective and useful decision-making tool I’ve seen in many years.”
Scott Henderson
Studio Director at BBC
“Harmony has helped our team implement major changes in record time — and motivated us to tackle projects we’d never prioritized before.”
Faye
Project Manager with Aerospace company
“Harmony helped us focus on what truly matters, avoid multitasking, and achieve our goals more successfully.”
Tamio Ishibashi
Executive Vice President, Daiwa House Group
“Alan is like a mentor — he shows that even the toughest challenges aren’t impossible.”
Eli Schragenheim
Author and Theory of Constraints Expert
“I’m amazed at how you’ve turned simulation skills into a powerful decision-making tool for management.”
Rudi Burkhard
Strategy Advisor and Theory of Constraints Expert
“Alan has this unique ability to trigger insights — just a short chat with him can unlock the solution.”
Craig Collins
CEO of Granite WMS (Warehouse Management Systems)
“I never leave a conversation with Alan without learning something new.”
Kevin Lueders
VP Global Technical Delivery Darktrace and ex-Sr. Director Cisco Systems
“Alan once told me, ‘You can choose to be right, or you can choose to be happy — and being right is vastly overrated.’ It’s wisdom that has shaped my life ever since.”
Leandro Samuels
CEO of Samuels Group
“You’ve built a global legacy in social impact and humanitarian work, and I’m grateful to have walked beside you in pursuing those visions and dreams.”
Julia Plieva
CEO of Apple Consulting
“Every interaction with Dr. Alan Barnard brings fresh insights and lasting value — in work and in life.”