Yi-Jian Ngo, Managing Director, leads the Alliance of Angels. A network engineer by training, Yi-Jian stumbled into the startup world when AT&T rebooted its corporate venture fund and recruited him as a founding team member. Working closely with entrepreneurs and helping them build their companies turned out to be such a blast that he continued that work at Microsoft. Most recently, he was a venture capitalist at Sierra Ventures, where he focused on investments in mobile and enterprise/infrastructure software & services from around the world. Yi-Jian holds an MBA from the Johnson Graduate School of Management at Cornell.