Casella Waste Systems, Rutland, Vt., has hired John Quinn as its new chief financial officer, senior vice president and treasurer. Quinn was the senior vice president of finance for Phoenix-based Allied Waste.

"John has an outstanding record of accomplishment, spanning over twenty-one years as a finance leader in the solid waste industry," said John Casella, chairman and CEO of Casella, in a press release. "John's broad experience in capital markets, strategic planning, and all facets of solid waste financial management will be a strong addition to our team."