Federer said he was involved, in large part, to give back to the game.
Just a few years ago, only a handful of banks were involved in large deals.
In addition to the industrial portfolio, Lehman was also involved in large office deals in Arlington, Va., in May 2007, and Austin, Tex., in June 2007.
Kogalymavia failed a safety inspection in 2014 but reportedly rectified the violations and its planes had not been involved in large crashes before.
One reason for the silence from some in the construction industry might be that sub-contracting chains involved in large development projects are lengthy and complex.
Mr. Paley and his team were given the task of spurring development around transit centers, mostly in suburban areas, and to coordinate the many public agencies and other stakeholders that are often involved in large, privately financed transit improvements.
Denny Strigl, the chief executive of Verizon Wireless, said that Cingular would "come out of the gate strong," but that like all companies involved in large, complex mergers, would face challenges integrating its network with the one operated by AT&T Wireless.
Even with the caveats, the possible identification of a virus involved in large bee die-offs is "exceptionally important," said May Berenbaum, who heads the entomology department at the University of Illinois, Urbana-Champaign, and was not involved in the study.
