In October 2010 Phillips was announced as CEO of Infor, the world's third largest provider of enterprise applications and services, and the world's largest privately owned software company. He was joined by several high-ranking Oracle executives. Within four months of being hired, he led Infor's $2 billion acquisition of Lawson Software, a competitor focused on the health care industry, and continued Infor's acquisitions at the rate of two or more per year. In October 2011, Phillips moved Infor's headquarters from the Atlanta suburb of Alpharetta, Georgia to New York City's Silicon Alley.