Gregory Jaczko
Chairman of the U.S. Nuclear Regulatory Commission since 2009 · United States · On the map · Scientists · Born 1970 · age 56
Gregory B. Jaczko is a physicist who is the 13th and former chairman of the U.S. Nuclear Regulatory Commission (NRC) from 2009 to 2012.
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While at the NRC, he voted against the opening of new nuclear plants; an inspector general report found that he sought unilaterally and improperly to block the Yucca Mountain nuclear waste repository project from advancing. After leaving the NRC, Jaczko called for a global ban on nuclear power.