John was a Senior Expert in the Strategy Practice of McKinsey & Company, based out of the Washington, DC, office, before joining Olin. He spent most of his 9 years there working with clients on competitive strategy, war gaming workshops and corporate and business unit strategy across a variety of industries and geographies. John helped over 100 clients with war game workshops and developed a set of simulation exercises to help companies understand the challenges of reallocating resources. He was also an adjunct professor at the Robert H. Smith School of Business at the University of Maryland. Prior to joining McKinsey, John assisted major U.S. financial institutions with fair lending compliance as a consultant with Ernst & Young LLP. He also worked as an economic consultant with The Brattle Group, specializing in economic expert testimony in litigation support, including anti-trust and patent infringement cases.