Jim Hassell is to take the helm as managing director of Sun Microsystems Australasian operations.
The move follows the promotion of Russell Bate to vice president of product sales for Asia Pacific.
Hassell's previous position with Sun was as UK partner sales director overseeing the company's channel program as well as products and services.
Hassell has more than 17 years in the IT industry. Prior to his three years with Sun Microsystems he had spent 12 years with IBM.
"I am delighted to be joining Sun Australia at a time when we are performing strongly and when the market presents so many opportunities," he said in a statement, adding Sun will have to continue working with its partners to help customers adjust to changes within the industry to hold its position in networking.