# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/gregory-jaczko
# Generated: 2026-08-13T03:02:54.355Z

schema: https://schema.org/Person
url: "https://fame.am/person/gregory-jaczko"
name: "Gregory Jaczko"
slug: "gregory-jaczko"
description: "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. 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."
tagline: "Chairman of the U.S. Nuclear Regulatory Commission since 2009"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Gregory_B._Jaczko.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1970-10-29"
livingStatus: "LIVING"
scores:
  popularity:           50.17
  momentum:             21.0096898485043
  historical:           5.805914666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  70
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://en.wikipedia.org/wiki/Gregory_Jaczko"
    title: "Gregory Jaczko"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D8%B1%D9%8A%D8%AC%D9%88%D8%B1%D9%89_%D8%AC%D8%A7%D9%83%D9%83%D9%88"
    title: "جريجورى جاككو"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Gregory_Jaczko"
    title: "Gregory Jaczko"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E6%A0%BC%E9%9B%B7%E6%88%88%E9%87%8C%C2%B7B%C2%B7%E8%B4%BE%E8%8C%A8%E7%A7%91"
    title: "格雷戈里·B·贾茨科"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%DA%AF%D8%B1%DA%AF%D9%88%D8%B1%DB%8C_%DA%98%D8%A7%DA%86%DA%A9%D9%88"
    title: "گرگوری ژاچکو"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B0%E3%83%AC%E3%82%B4%E3%83%AA%E3%83%BC%E3%83%BB%E3%83%A4%E3%83%84%E3%82%B3"
    title: "グレゴリー・ヤツコ"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q513885"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump