After 22 years with Harris Corp., CFO and Senior Vice President Bryan R. Roub will retire in June; and stepping into his shoes will be Gary L. McArthur.

Roub, 64, joined Harris in 1984 as senior vice president-finance. Prior to joining Harris he was executive vice president of finance for Midland-Ross Corp. He also served as a member of the audit staff of Ernst and Ernst.

The company said McArthur's new role as CFO is effective in March.

McArthur, 45, was previously vice president-finance and treasurer for Harris, which he assumed in 2005. Prior to this position he was vice president-corporate development for the company. McArthur started at Harris in 1997 as a director of corporate development.

Before joining Harris, McArthur was chief financial officer at 3D/EYE Inc. in Atlanta. Prior to this he was executive director of Mexico at Nextel Communications Inc., where he was responsible for Nextel's operations and corporate development efforts in Mexico. He also held positions at Lehman Brothers Inc., Cellcom Corp. and Deloitte & Touche.

Charles J. Greene, 51, will succeed McArthur as vice president-finance and treasurer for Harris.