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Assistant Attorney General for the Environment and Natural Resources Division
Ron Tenpas

Ronald J. Tenpas was named by President George W. Bush as the Assistant Attorney General in charge of the Environment and Natural Resources Division at the U.S. Department of Justice on May 30, 2007, and subsequently confirmed to the position by the Senate.

Mr. Tenpas has worked in the Department for a number of years, serving as Associate Deputy Attorney General; as the United States Attorney for the Southern District of Illinois; as an Assistant United States Attorney and Branch Chief in the District of Maryland; and as an Assistant United States Attorney in the Middle District of Florida in Tampa, Florida, starting in 1997.

As Assistant United States Attorney, Mr. Tenpas personally tried and investigated a variety of matters, including offenses involving narcotics transportation and distribution, violent crime, health care fraud, identity theft, government fraud, other white collar offenses, and public corruption. While in the Deputy Attorney General’s Office, he had oversight responsibilities for litigation matters and litigation policy, including matters related to the Environment and Natural Resources Division as well as several other Department components.

Before joining the Department, he served as a law clerk to the Honorable Louis H. Pollak, U.S. District Court Judge for the Eastern District of Pennsylvania; as a law clerk to Chief Justice William H. Rehnquist, United States Supreme Court; and as a law clerk to the Honorable Howard Holtzmann, judge on the Iran-U.S. Claims Tribunal located in The Hague, The Netherlands. He also was an associate with the Carlton, Fields law firm in Tampa, Florida.

Mr. Tenpas received an International Relations degree from the James Madison College of Michigan State University, graduating with high honors in 1985. He was awarded a Rhodes Scholarship to attend Oxford University where he studied Philosophy, Politics and Economics, receiving a degree in 1987. After Oxford he was awarded a Hardy Cross Dillard Scholarship to attend the University of Virginia Law School from which he graduated in 1990. He served as Editor-in-Chief of the Virginia Law Review and was elected to the Order of the Coif.


Environment and Natural Resources Division

The Environment and Natural Resources Division, which is organized into ten sections, has primary responsibility for litigation on behalf of the United States regarding:

With offices across the United States, the Division is the nation's environmental lawyer, and the largest environmental law firm in the country.



Latest News
May 5, 2008

Water Supply and Storage Company (WSSC), a mutual ditch company and the owner and operator of the Grand River Ditch, has agreed to pay $9 million for damages to natural resources within Rocky Mountain National Park caused by a May 30, 2003, breach of the Grand River Ditch, the Justice Department and National Park Service announced today. (Read more)

May 1, 2008

David Geisen of DePere, Wisc., was sentenced today to four months of home confinement with electronic monitoring for making false statements and misleading the Nuclear Regulatory Commission (NRC) about the quality of past inspections of the reactor-head at the Davis-Besse Nuclear Power Station during the fall of 2001, the Justice Department announced. (Read more)

David G. Williams, a Chief Warrant Officer in the U.S. Coast Guard and the Main Propulsion Assistant for the Coast Guard Cutter RUSH, pleaded guilty today in U.S. District Court in Hawaii to one count of making a false statement, announced Ronald J. Tenpas, Assistant Attorney General for the Justice Department’s Environment & Natural Resources Division and U.S. Attorney for the District of Hawaii Edward H. Kubo Jr. (Read more)

April 30, 2008

Esteban Lopez Estrada, a Mexican national, was sentenced today in U.S. District Court in Denver to 24 months in prison for his participation in the sale and smuggling of sea turtle and other exotic skins and skin products into the United States from Mexico, the Justice Department announced today. (Read more)

April 29, 2008

The National Navigation Company (NNC) pleaded guilty and was sentenced today in U.S. District Court for the District of Oregon for 15 felony charges, the Justice Department announced. The company, based in Cairo, Egypt, admitted to violating the Act to Prevent Pollution from Ships and making false statements to federal officials. (Read more)

Carlos Leal Barragan, of Ciudad Guzman, Mexico, was sentenced today in U.S. District Court for the District of Colorado to serve 16 months in prison and three years supervised release in connection with his sale and smuggling of internationally protected sea turtle skins and sea turtle products from Mexico to the United States, the Justice Department announced. (Read more)

April 24, 2008

A Taiwanese manufacturer and three American corporations will pay a $2 million civil penalty for allegedly importing and distributing approximately 200,000 chainsaws in the U.S. that failed to meet federal air pollution standards, the Justice Department and Environmental Protection Agency announced today. The companies also agreed to spend approximately $5 million on projects to reduce air pollution. (Read more)

April 21, 2008

Holly Refining & Marketing has agreed to spend more than $17 million in new and upgraded pollution controls at its refinery in Woods Cross, Utah, and pay a $120,000 civil penalty, the Justice Department and U.S. Environmental Protection Agency (EPA) announced today. The settlement, which resolves alleged violations of the Clean Air Act by Holly, is expected to reduce air pollution by more than 420 tons of harmful emissions annually. (Read more)

April 15, 2008

Danny M. Chien, a Taiwanese citizen and resident of Shanghai, China, and Style Craft Furniture Co., Ltd., were each indicted today by a federal grand jury in Newark, N.J., on one count of smuggling, announced Ronald J. Tenpas, Assistant Attorney General for the Justice Department’s Environment and Natural Resources Division and Christopher J. Christie, U.S. Attorney for the District of New Jersey. (Read more)



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