Perry Marshall is the founder of Natural Code, LLC and author of Evolution 2.0: Breaking The Deadlock Between Darwin and Design. He is also one of the world’s most expensive and sought-after business consultants. Clients seek him for his capacity to integrate many disparate fields: engineering, biology, chaos theory, mathematics, physics, art and psychology. He has launched two online revolutions. In Pay Per Click advertising, he pioneered many of today’s best practices and wrote the world’s best selling book on internet advertising, The Ultimate Guide to Google AdWords. More recently, he’s applied the 80/20 Principle to more facets of business than any other author, being the first to expand on 80/20 as an infinite fractal law of nature. 80/20 is the central lever for nearly every profitable strategy in sales, marketing and business. His book 80/20 Sales & Marketing is required reading in many growing companies. Works also include the bestseller Ultimate Guide to Facebook Advertising (Entrepreneur Press, 2nd Edition 2014), Evolution 2.0: Breaking the Deadlock Between Darwin and Design (BenBella, 2015), Ultimate Guide to Local Business Marketing (Entrepreneur Press, 2016) and Industrial Ethernet (ISA, 2nd Edition).