"Jeff Thull's 'Prime' process plays a key role in helping companies and their customers cross the chasm with disruptive innovations. It has built into its core the high-integrity communications and depth of commitment necessary to ensure customers succeed with game-changing initiatives."

"There's a powerful message in this book for senior executives: If your margins are eroding and your organization is trapped in the conventional sales paradigm, 'Mastering the Complex Sale' has the road map and Jeff Thull is an excellent guide. He has captured the essence of selling in today's turbulent times. A must-read for your entire organization."

"The Prime Process cuts across all trading entities, multiple cultures, geographic borders and functional disciplines. 'Mastering the Complex Sale' is a clear approach to successfully bringing together the multiple perspectives of sophisticated sales processes. It is required reading for any complex business, whether local or global."

"'Mastering the Complex Sale' is a masterpiece! It's street smart and research backed and full of real-life practical advice on how to move all the chess pieces in the complex sales game. You'll walk away with not only the 'what' and the 'how' of the complex sale, but also discover how to build the mental stamina it takes to compete at the top."

"'Mastering the Complex Sale' lays out the most significant business and sales strategy to come along in years. It is clearly leading-edge thinking. As a technology innovator, we see it as a must. Read it and win!"

"Jeff Thull's leading-edge thinking has contributed to a change in our fundamental approach to sales and marketing and has had a significant impact on our bottom line. 'Mastering the Complex Sale' and the Prime Process is a prescription for global success!"

"Thull's clear and distinctive advice provides the reader with a real-world road map for maximizing results in high-stakes sales. Diagnostic Business Development takes today's consultative sales person's game to the next level. This book is mandatory for those looking to gain a true competitive advantage and distinguish themselves from the competition."

"Jeff 's approach to creating and keeping win-win customer relationships has been nothing short of life transforming. Today we only invest in companies that agree to adopt the Prime philosophy and process."

"Thull's insight into 'business think' vs. 'sales think' will bring you exceptional credibility. 'Mastering the Complex Sale' is a must-read for today's competitive landscape in the financial services arena."

"We've ingrained the Prime Process in our culture around the globe and it's clearly a sustainable competitive advantage-I write this endorsement with some reluctance as I don't want my competitors to have this advantage. In 30 years of reading books and attending seminars to continue my professional growth, there are only a handful that I can say made a difference. Jeff Thull's 'Mastering the Complex Sale' is one of them."

"We have found the Prime Process invaluable. It provides a blueprint superior to all other methodologies we have tried. We particularly like the high integrity approach. 'Mastering the Complex Sale' is a must-read for everyone selling capital equipment or supporting someone who does."

"Jeff 's approach to the complex sale is both accurate and insightful, and for any sales organization that embraces and puts 'Mastering the Complex Sale' into practice, the models and strategies of the Prime Process will bring them a tremendous business advantage."

"Approaching the complex sale as a decision process, not a sales process, takes customer focus, win-win and mutual respect to a new level. The Prime Process is clearly the way to do business."

"If you're tired of being the 'unpaid consultant' and engaging in countless 'dry runs,' Thull's 'Mastering the Complex Sale' shows you how to cut through the clutter and cut to the chase. This book gives you everything you need to transition from conventional to complex sales. A real adventure!"

"Jeff Thull presents a philosophical approach to the sales process required to master high-dollar complex sales situations that is unlike any other that I have seen."

"'Mastering the Complex Sale' is the most enlightened approach you will find to address the complexities of today's business world, clearly a balanced approach to business and personal success."

"'Mastering the Complex Sale' will open your eyes to the ways of today's market, giving you a new perspective of the sales cycle and the opportunities available to those willing to embrace change."

"Jeff Thull has done a brilliant job of capturing a straightforward and immensely lucrative way for you to get a handle on complex sales. He takes you to the heart of creating measurable value for your customers, resulting in increased margins and customer loyalty."

"A roadmap for graduating from messenger of information to mentor of customers, 'Mastering the Complex Sale' will be devoured by sales professionals - people who seek not only career success but personal fulfillment from their high calling."

"In today's tough technology climate the stakes are high for every opportunity. 'Mastering the Complex Sale' is a blueprint for understanding how to increase your customers' awareness of their business issues by managing the decision process, a winning formula that should be utilized on every sales call. It's not only thought provoking but right on the mark. This is the future of high-stakes selling."