Transitions.

Bill Burke, 34, was named president and chief executive of Portland, ME-based Resort Sports Network, a privately held omnimedia company. Prior to RSN, Burke was president of TBS Superstation.

* Matthew M. Breyne, 42, was named president and chief executive of Scottsdale, AZ-based The FINOVA Group, a financial services company with assets of nearly $13 billion. Breyne succeeds Samuel L. Eichenfield, who has retired.

* James Dimon, 44, was named chairman and chief executive of Chicago, IL-based Bank One Corp., a bank holding company with assets of more than $265 billion. Dimon, formerly president of Citigroup, replaces Verne G. Istock, who had been acting chief executive since December 1999.

* Robert Burton, 61, was named chairman, president, and chief executive of Tampa, FL-based Walter Industries, a $1.6 billion homebuilder. Burton, who most recently served as chairman, president, and chief executive of World Colour, steps in following the resignation of Kenneth Hyatt.

* David A. Gust, 40, was named chief executive of Megachannels.com, a subsidiary of the Orlando, FL-based Internet entertainment broadcaster MegaMedia Networks. Gust most recently served as vice president of marketing and new ventures at Hard Rock Caf[acute{e}] International.

* Donald K. Hunt, 52, was named president and chief executive, effective July 2, 2000, of Sysco Food Services of Central Pennsylvania, an operating company of the $18.5 billion foodservice distributor and marketer Sysco. Hunt, currently executive vice president of the operation, succeeds Thomas H. Russell, 52, who has been appointed president and chief executive of Bitter Sysco Food Services.

* Norman F. Johnson, 51, was named chairman, president, and chief executive of Rockford, IL-based CLARCOR, a manufacturer and marketer of mobile, industrial, and environmental filtration products with nearly $500 million in annual revenues. Johnson succeeds Lawrence E. Gloyd, who has retired.

* Fred J. Kleisner, 55, was named chief executive of Dallas, TX-based Wyndham International, a $2.5 billion hotelier. Kleisner, succeeds James D. Carreker, who resigned that post and remains chairman.

* John Loughlin, 43, was named president and chief executive of the PRIMEDIA Magazine and Internet Group, the newly created division of New York, NY-based PRIMEDIA, a $1.7 billion diversified media and information company. Loughlin, former president of Meredith Corp.'s Broadcast Group, will oversee the integration of the consumer magazine operations and new media businesses.

* William Lansing, 41, was named chief executive of NBC Internet, a San Francisco, CA-based online company owned by the television network. Lansing, a former chairman of Fingerhut Cos., succeeds Chris Kitze who becomes vice chairman.

* John C. Macatee, 49, was named president and chief executive of BarPoint.com, a mobile commerce web site. Loeb, former president and COO of Office Depot, succeeds Leigh M. Rothchild who remains Chairman of the Board.

* Michael Pepe, 45, was named president and chief executive of London-based Time Inc. International, a division of the $4.7 billion media company Time. Pepe, former president and chief operating officer of Time Warner Digital Media, will oversee all of the company's overseas magazine publishing activities.

* John E. Rooney, 57, was named president and chief executive of Chicago, IL-based U.S. Cellular Corp., a wireless telecommunications provider with more than $1.5 billion in annual revenues. Rooney, succeeds Don Nelson, who has retired.