PHILADELPHIA--(BUSINESS WIRE)--ESIS, Inc. (ESIS®), a third-party claims administration company and part of ACE Group, today announced the appointment of Paul Holden as Vice President and Chief Information Officer. Mr. Holden will have responsibility for the strategic integration of ESIS’ technology infrastructure and will lead the operational support and information delivery teams. He will be instrumental in the ongoing enhancement of ESIS’ distinctive technology tools, with an overall goal to