Michael de Castro is the Chief Executive Officer of Interstate Waste Services. Prior to joining
Interstate Waste Services, Mr. de Castro was the Global Operations Director, Americas Merchant Gases for Air Products and Chemicals, Inc., a Fortune 500 Company servicing customers in industrial, energy, technology and health care markets worldwide.

Prior to joining Air Products in 2006 Mr. de Castro spent 14 years with American Ref-Fuel Company, the largest waste-to-energy company in the northeastern U.S. most recently as its Vice President of Operations.

Mr. de Castro received a BS degree in Mechanical Engineering from the University of Alabama in 1984 and an MBA from Boston University in 2002.

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