ServiceSource International, Inc. announced Brian Delaney, Executive Vice President and Chief Operating Officer, plans to retire effective Jun. 30, 2018. With Delaney’s retirement, the company will be simplifying the organization by naming two regional presidents who will now report to Carrington. Michael Poe, a seven-year veteran of ServiceSource, will assume the role of President Americas, overseeing the company’s operations in the United States and the Philippines. Mike Naughton, with six years of leadership experience at ServiceSource, will assume the role of President EMEA/APJ, overseeing the company’s operations in Europe, Singapore, Malaysia, and Japan. As regional presidents, Poe and Naughton will have full accountability for their regions, including operational delivery, client relationship management, and P&L attainment.