Application service provider USinternetworking, Inc. (Nasdaq:USIX), is promoting Andrew Stern, the company's executive vice president and chief operating officer, to chief executive officer. Christopher R. McCleary, the company's co-founder, will continue as chairman of the board of directors and chairman of the newly created executive committee.

In his new post, Stern will add the responsibilities of the USi global network operations and the finance and administration functions to his current responsibilities.

Stern came to USi in July of 1998 as chief financial officer, and helped launch the company's initial public offering in April 1999, raising $145 million for the company. Since June of 1999, Stern has been COO, responsible for the operation of nine business units.

Prior to joining USi, Stern was executive vice president, strategic planning and reinsurance operations of USF & G, an insurance company with over $14 billion of assets. In that role, he had responsibility for roughly 20 percent of USF & G's business as well as all of its merger, acquisition, and corporate marketing activities. Stern was a partner at Booz, Allen & Hamilton, an international management and technology consulting firm from 1987 to 1993.

USinternetworking Inc., with headquarters in Annapolis, Md., keeps its Web site at http://www.usi.net.