How Tough Mudder founder Will Dean lured investors into funding Immersive Gamebox

Without investment, turning a million-dollar idea on paper into a reality is nothing more than a dream. Or at least, that’s usually the case. Tough Mudder, the military-style endurance experience—where contestants looking to test their mental and physical limits can take on 5K to 24-hour muddy obstacle courses that require them to run, jump, crawl, climb and swim—was the exception to…