Mark Chussil is Founder of Advanced Competitive Strategies, Inc. He's a pioneer in business war gaming, an expert in business-strategy simulation, a prolific author of essays on competitive strategy on ACS' website, Competing.com, and Harvard Business Review, and a thought-provoking teacher of strategic thinking. He's helped Fortune 500 companies, in many industries and countries, add billions of dollars to their bottom lines. Mark is also an Adjunct Instructor in the Pamplin School of Business at the University of Portland.