Arthur J. Gallagher & Co. announced two leadership promotions in its employee benefit division. Mr. James W. Durkin, Jr., currently President of Gallagher's employee benefits division, will assume the newly created position of Chairman of Gallagher's employee benefit division. In this role, Jim will focus his time developing the next generation of leadership at the company and supporting the division's continued business momentum priorities. Reporting to Jim as President will be Mr. William F. Ziebell. Bill is currently a regional leader in the benefits division and will assume Jim's day-to-day management for the employee benefit consulting and brokerage business across the United States and internationally.