CTOs on the Move

Circumference Group is a public and private investing platform founded in 2009 by Jeff Fox, former CEO of Endurance International, CEO Convergys Corporation, and COO of Alltel Corporation. We are operators and investors with decades of success running and investing in businesses with a bottom up approach. Across the Circumference Group platform, we engage in public market investing, private co-investing and strategic and operations advisory services. We use our time-tested, operations-based framework, which we call the Core Value Assessment, to drive our research and analytics.