Mike DiSimone
Chief Operating Officer

As Chief Operating Officer, Mike is responsible for operations and individual client/member service across the business and unifying the retirement and custody services and consumer-directed benefits product teams.
Prior to Millennium Trust’s acquisition of PayFlex, where Mike was President & CEO, he served as Vice President of Global Business Solutions at Aetna, where he led employee service delivery functions. Before joining Aetna, Mike held several leadership roles, including COO at Mercer, CFO of HR and Chief Oversight and Control Officer at JPMorgan Chase & Co., General Manager of the HR and Benefits business at Affiliated Computer Services, and Head of Operations at Mellon Financial Corporation.
Mike holds a bachelor’s degree in accounting and a Master of Business Administration in finance from Pace University, and he has completed executive education programs in general management and leadership at Columbia Business School.