Khan Academy is an online global education nonprofit launched in 2006 by Sal Khan with the mission to “provide a free world-class education for anyone, anywhere.” After a dozen years, expansion into 40 class subjects, and more than 15 million monthly visitors from 190 countries, Ginny Lee (formerly of Intuit), joins the company to help balance Sal Khan’s aspirational vision with the company’s short-term need for greater focus and prioritization. Harvard Business School professor Bill Sahlman discusses collaboration, balance, and tradeoffs in his case, “Khan Academy 2018.”