The Environmental Research and Education Foundation (EREF), based in Alexandria, Va., has elected John J. Zillmer, chairman and CEO of Allied Waste Industries, to its board of directors. Zillmer will serve a three-year term, concluding in December 2009.

"I am grateful that John Zillmer is coming onto the board and look forward to benefiting from his expertise," said Kevin Walbridge, chairman of the EREF board and regional vice president of Republic Services, in a press release.