Mark designs and implements leadership, sales, marketing, customer acquisition and client conversion systems that find and recruit willing buyers for products and services ranging from common everyday to high-end unique and disruptive. He is often invited to speak at entrepreneurial and corporate events because Mark delivers unique, valuable, and pragmatic ideas to grow and succeed. With a deep understanding of international business, he has delivered events in 54 countries. Mark is the author of 13 popular books and sales guides and has authored more than 400 magazine articles. He is a genuine Guerrilla Marketing guru, co-authoring three books with Jay Conrad Levinson, and is a certified Guerrilla Marketing Coach. A renaissance man with many talents, Mark is passionate about leadership, team building, teamwork, sales, and marketing.