Testimonials
What event hosts and partners say.
Universities, foundations, and global development organizations on what it's like to work with John.
Testimonials
What Audiences Say
Feedback from conference organizers and audience members who have experienced John's presentations.
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John's work is inspirational, with fascinating applications of practical technology. He is a leader in realistic and effective green innovation, with a positive, can-do outlook and a belief that a better future is within our grasp.
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Your enthusiasm was inspiring, and the message informative.
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John Barrie put a vision of a sustainable future into action. It is one thing to say that all people are worthy of dignity and contain great potential, but John makes that vision a reality.