Clean Harbors Inc. has appointed James Rutledge as president and chief operating officer.

The Norwell, Mass.-based hazardous waste management company said in a news release that Rutledge, 60, will move to the newly created position from his current role as vice chairman, chief financial officer and treasurer. He will continue as vice chairman.

Clean Harbors also said Robert Gagnon has joined the firm as executive vice president, chief financial officer and treasurer.

“Since his arrival at Clean Harbors in 2005, Jim Rutledge has played an instrumental role in managing the financial and administrative responsibilities of the company through a period of rapid expansion,” said Alan McKim, Clean Harbors chairman and CEO. “His commitment to our long-term vision for Clean Harbors and demonstrated ability to achieve results will be invaluable as we seek to extend our leadership position in the industry.”