ABB said its chairman, Jürgen Dormann, 62, would take on chief executive duties immediately.
Mr. Jordan gave up his executive duties with the Wizards and donned their uniform in 2001.
Mr. Ross denied that the catalyst for his firm's new executive duties was difficulties in fund-raising.
Mr. Asper gave up his executive duties at CanWest earlier this year, though he continued as chairman of CanWest's board.
Jordan signed a two-year, $2.1 million deal last year after stepping down from his executive duties with Washington.
Fulfills executive duties if in no other way by keeping Philip Moeller perennially young and Lee Simonson perennially gloomy.
He will be succeeded by Anshu Jain, head of the investment bank, and Jürgen Fitschen, head of regional management worldwide, who will share chief executive duties.
Marcel Smits, the chief financial officer, who has been handling the chief executive duties in her place, will continue to do so until a new chief is named.
Mr. Hadi assumed some executive duties after the signing of the deal in November, but Mr. Saleh retains most of his powers, officials say.
Anshu Jain, head of the investment bank, and Jürgen Fitschen, another member of the management board, will share chief executive duties.
