Christopher Gründler, Deputy Director, Office of Transportation and Air Quality, U.S. Environmental Protection Agency Christopher Gründler is the Deputy Director of EPA's Office of Transportation and Air Quality, and directs the National Vehicle and Fuel Emissions Laboratory in Ann Arbor, Michigan. The mission of the Office of Transportation and Air Quality (OTAQ) is to protect public health and the environment by reducing air pollution from motor vehicles, engines, and the fuels used to operate them, and by encouraging business practices and travel choices that minimize emissions. Gründler has held a number of senior leadership positions in the EPA, including Director of the Office of Federal Facilities Enforcement and Director of the Great Lakes National Program Office. He has also served at the U.S. Department of Energy, where he helped create the Department's first environmental audit program. Gründler has served in his current position since 1995 and was awarded the Gold Medal for Exceptional Service, EPA's highest honor.