Richard Koch is a British author, speaker, and investor, and a former management consultant and entrepreneur. He has written over twenty books on business and ideas, including The 80/20 Principle, about how to apply the Pareto principle in management and life. Koch got an MBA from the Wharton School of the University of Pennsylvania, worked as a consultant at the Boston Consulting Group, and at Bain & Company from 1980 to 1983. In 1983 he co-founded The LEK Partnership, an international strategy consulting firm, with headquarters in London.