Contributing Authors Tien Tzuo, CEO, Zuora @tientzuo Tien Tzuo is the CEO of Zuora, a company he co-founded in 2007. Tien has not only built one of the fastest-growing SaaS companies, he’s also evangelized the shift to subscription- based business models. Before Zuora, he was one of the “original forces” at Salesforce, joining as employee number 11. In his nine years at Salesforce, Tien held a variety of executive roles in technology, marketing, and strategy. He holds a bachelor’s degree in electrical engineering from Cornell University and a master’s in business administration from the Stanford Graduate School of Business. Aaron Ross, Author, Predictable Revenue @motoceo Aaron Ross is the co-author of From Impossible to Inevitable. Aaron is married with 12 children (mostly through adoption), loves motorcycles, and keeps a 25-hour workweek. He’s a keynote speaker, and the best-selling author of Predictable Revenue, called “The Sales Bible of Silicon Valley,” based on an outbound prospecting system that’s created more than $1 billion across Salesforce and other companies. He’s co-founder and chief revenue officer of Carb.io, a pipeline automation software company, and is also the co-founder of predictableuniversity.com.