
Tim Reid
Host of Small Business Big Marketing
I'd suggest dropping everything to read and apply the learnings from David's book.

Simon Bowen
Creator of The Genius Model®
David has done to the systems of business what Michael Gerber has done to the psychology of business.

Rhamy Alejeal
CEO of People Processes
Many books have workflows you can follow, but this one teaches you how to systemise your business without all the stress (and crazy time commitment) most business owners experience when trying to grow.

Peter Carruthers
Author of CrashProof your Business
The strategy and tactics the book details offer a pathway to take command of each crucial facet of any business.

Paul Dunn
Chairman of B1G1
Oh my Goodness — here’s a book that has everything — yes everything for you to create an amazing business.
Pick it up. Do it. Change your business and your life. Simple as that.

Mike Rhodes
Founder & CEO of WebSavvy.com.au
SYSTEMology is going to show you why YOU are the worst person to create the systems that you know deep down you need, how to create them with minimal time and how to ensure they actually get used!

Mike O’Hagan
Entrepreneur and Investor
Dave’s book SYSTEMology is about “how to systemise”. It's the practical follow on to the E-Myth. He has nailed it – a MUST READ for anyone wanting to grow their business.

Michael E. Gerber
Author of The E-Myth Revisited
This book is extraordinary. David is also a systems thinker, a creator of the first order, an entrepreneur who has done what I write about, not once, but several times. Read it. Relish it. But most important, DO it!

Meryl Johnston
Founder and CEO of Bean Ninjas
I can see this book providing real value to business owners and helping them to work less and be happier.

Kerry Boulton
Founder and CEO, The Exit Strategy Group
My unequivocal recommendation is that every entrepreneur and business owner must have this outstanding workbook and implement it!

Jon Ferrara
Founder and CEO of Nimble.com
This book will help you identify the critical systems that are required to scale your business and will guide you through the process of systems creation and implementation.

Joe Fier
Co-host of Hustle and Flowchart Podcast
David’s book is perfect for any sized business and skill level. We can all use SYSTEMology to unpack our minds so we don’t become our own bottleneck.

Jack Daly
Author, Serial Entrepreneur and CEO
SYSTEMology, provides every business owner the recipe to building their business playbook. What Michael Gerber started, David Jenyns completed.

Gino Wickman
Author of Traction and Entrepreneurial Leap
SYSTEMology is a must for any business owner and their leadership team. It provides a powerful, practical, and simple way for systemising your business.

Dr. Sabrina Starling
Author of The 4 Week Vacation
In SYSTEMology, David Jenyns provides a clear, easy to follow system for creating systems in your business. The best part: you will discover that it does not have to be YOU creating the systems.

Dale Beaumont
CEO & Founder of Business Blueprint
This book by David Jenyns is the new standard for building systems... If you're a business owner, I suggest you own it and start reading it today.

Alexi Neocleous
CEO and Co-Founder of Fubbi.co
The pittance you'll invest in a copy of his book will pay you back hundreds and thousands of times. I highly recommend it.