{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "1979",
  "company_name": "大気社",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1979/ceo/",
  "api_url": "/api/1979/ceo.json",
  "updated": "2026-09-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1979/ceo/",
  "source": {
    "ceo": {
      "primary": [
        "有価証券報告書（役員の状況）"
      ],
      "extraction": "EDINET の XBRL から機械抽出した役員表を土台に、雑誌記事・社史・報道で経歴と出自を補完",
      "caveat": "在任区間は career の is_ceo_appointed が正本。退任年月は次の代の就任年月から決まる"
    }
  },
  "count": 7,
  "ceo": [
    {
      "slug": "山本廣",
      "name": "山本廣",
      "kana": null,
      "origin": "生え抜き（1964年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "専務取締役",
      "career": [
        {
          "company": "大気社",
          "from": "1964-05",
          "to": null,
          "roles": [
            {
              "date": "1964-05",
              "role": "入社"
            },
            {
              "date": "1986-04",
              "role": "大阪支社技術部長"
            },
            {
              "date": "1987-04",
              "role": "大阪支社技術部長兼技術企画部長"
            },
            {
              "date": "1987-06",
              "role": "取締役"
            },
            {
              "date": "1993-06",
              "role": "常務取締役"
            },
            {
              "date": "1997-06",
              "role": "専務取締役"
            },
            {
              "date": "2001-04",
              "role": "環境設備事業部長"
            },
            {
              "date": "2001-06",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "term_start": "2001-06",
      "term_end": "2007-01"
    },
    {
      "slug": "中矢義郎",
      "name": "中矢義郎",
      "kana": null,
      "origin": "生え抜き（1963年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "代表取締役副社長",
      "career": [
        {
          "company": "大気社",
          "from": "1963-04",
          "to": null,
          "roles": [
            {
              "date": "1963-04",
              "role": "入社"
            },
            {
              "date": "1984-04",
              "role": "塗装設備事業部技術営業部チーフマネジャー"
            },
            {
              "date": "1985-04",
              "role": "塗装設備事業部次長"
            },
            {
              "date": "1985-06",
              "role": "取締役"
            },
            {
              "date": "1991-06",
              "role": "常務取締役"
            },
            {
              "date": "1997-06",
              "role": "専務取締役塗装設備事業部長兼営業部長"
            },
            {
              "date": "2001-06",
              "role": "代表取締役専務"
            },
            {
              "date": "2003-06",
              "role": "代表取締役副社長"
            },
            {
              "date": "2007-01",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2007-04",
              "role": "代表取締役社長執行役員"
            }
          ]
        }
      ],
      "term_start": "2007-01",
      "term_end": "2010-04"
    },
    {
      "slug": "uenishi-eitaro",
      "name": "上西栄太郎",
      "kana": "うえにし　えいたろう",
      "origin": "生え抜き（1974年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "取締役常務執行役員社長付全社営業推進担当",
      "career": [
        {
          "company": "大気社",
          "from": "1974-04",
          "to": null,
          "roles": [
            {
              "date": "1974-04",
              "role": "入社"
            },
            {
              "date": "2003-06",
              "role": "取締役"
            },
            {
              "date": "2005-04",
              "role": "環境設備事業部大阪支社長"
            },
            {
              "date": "2007-04",
              "role": "取締役上席執行役員環境システム事業部東京第一支店長"
            },
            {
              "date": "2008-04",
              "role": "取締役上席執行役員社長付経営企画担当"
            },
            {
              "date": "2009-04",
              "role": "取締役常務執行役員社長付全社営業推進担当"
            },
            {
              "date": "2010-04",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2013-04",
              "role": "代表取締役会長執行役員"
            },
            {
              "date": "2016-04",
              "role": "取締役会長"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/1979/executives/ceo/uenishi-eitaro/",
      "term_start": "2010-04",
      "term_end": "2013-04"
    },
    {
      "slug": "上山悟",
      "name": "上山悟",
      "kana": null,
      "origin": "生え抜き（1970年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "代表取締役副社長執行役員",
      "career": [
        {
          "company": "大気社",
          "from": "1970-04",
          "to": null,
          "roles": [
            {
              "date": "1970-04",
              "role": "入社"
            },
            {
              "date": "2002-04",
              "role": "塗装設備事業部技術統括部長"
            },
            {
              "date": "2003-06",
              "role": "取締役"
            },
            {
              "date": "2005-04",
              "role": "塗装設備事業部長"
            },
            {
              "date": "2005-06",
              "role": "常務取締役"
            },
            {
              "date": "2006-04",
              "role": "塗装設備事業部長兼営業統括部長"
            },
            {
              "date": "2007-04",
              "role": "取締役常務執行役員塗装システム事業部長"
            },
            {
              "date": "2009-04",
              "role": "取締役専務執行役員塗装システム事業部長"
            },
            {
              "date": "2010-04",
              "role": "代表取締役副社長執行役員"
            },
            {
              "date": "2013-04",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "term_start": "2013-04",
      "term_end": "2017-04"
    },
    {
      "slug": "芝利昭",
      "name": "芝利昭",
      "kana": null,
      "origin": "生え抜き（1968年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "代表取締役副社長執行役員",
      "career": [
        {
          "company": "大気社",
          "from": "1968-04",
          "to": null,
          "roles": [
            {
              "date": "1968-04",
              "role": "入社"
            },
            {
              "date": "2008-04",
              "role": "執行役員環境システム事業部海外統括準備室長兼技術統括部副統括部長兼工事購買室長"
            },
            {
              "date": "2009-04",
              "role": "上席執行役員環境システム事業部技術統括部長"
            },
            {
              "date": "2012-04",
              "role": "常務執行役員環境システム事業部長"
            },
            {
              "date": "2012-06",
              "role": "取締役常務執行役員環境システム事業部長"
            },
            {
              "date": "2013-04",
              "role": "取締役専務執行役員環境システム事業部長"
            },
            {
              "date": "2015-04",
              "role": "取締役副社長執行役員環境システム事業部長"
            },
            {
              "date": "2016-04",
              "role": "代表取締役副社長執行役員"
            },
            {
              "date": "2017-04",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "term_start": "2017-04",
      "term_end": "2019-04"
    },
    {
      "slug": "kato-koji",
      "name": "加藤考二",
      "kana": "かとう　こうじ",
      "origin": "生え抜き（1978年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "代表取締役副社長執行役員",
      "career": [
        {
          "company": "大気社",
          "from": "1978-04",
          "to": null,
          "roles": [
            {
              "date": "1978-04",
              "role": "入社"
            },
            {
              "date": "2005-06",
              "role": "取締役"
            },
            {
              "date": "2007-04",
              "role": "環境システム事業部長付"
            },
            {
              "date": "2009-04",
              "role": "執行役員環境システム事業部技術企画部長"
            },
            {
              "date": "2010-04",
              "role": "常務執行役員環境システム事業部長兼技術企画部長"
            },
            {
              "date": "2010-06",
              "role": "取締役常務執行役員環境システム事業部長兼技術企画部長"
            },
            {
              "date": "2012-04",
              "role": "取締役常務執行役員経営企画本部長兼環境担当兼経営企画室長"
            },
            {
              "date": "2013-04",
              "role": "取締役常務執行役員経営企画本部長兼ＣＳＲ担当"
            },
            {
              "date": "2014-04",
              "role": "取締役常務執行役員管理本部長兼ＣＳＲ担当"
            },
            {
              "date": "2016-04",
              "role": "取締役専務執行役員管理本部長兼ＣＳＲ担当"
            },
            {
              "date": "2017-04",
              "role": "代表取締役副社長執行役員管理本部管掌"
            },
            {
              "date": "2018-04",
              "role": "代表取締役副社長執行役員"
            },
            {
              "date": "2019-04",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/1979/executives/ceo/kato-koji/",
      "term_start": "2019-04",
      "term_end": "2023-04"
    },
    {
      "slug": "osada-masashi",
      "name": "長田雅士",
      "kana": "おさだ　まさし",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "大気社",
          "from": "1983-04",
          "to": null,
          "roles": [
            {
              "date": "1983-04",
              "role": "入社"
            },
            {
              "date": "2007-04",
              "role": "執行役員環境システム事業部企画室長"
            },
            {
              "date": "2009-04",
              "role": "常務執行役員企画本部長兼環境担当兼経営企画室長"
            },
            {
              "date": "2009-06",
              "role": "取締役常務執行役員企画本部長兼環境担当兼経営企画室長"
            },
            {
              "date": "2012-04",
              "role": "取締役常務執行役員環境システム事業部中部支店長"
            },
            {
              "date": "2015-04",
              "role": "Taikisha（Singapore） Pte.Ltd. 社長"
            },
            {
              "date": "2019-04",
              "role": "理事塗装システム事業部海外統括部長"
            },
            {
              "date": "2020-04",
              "role": "常務執行役員経営企画本部長"
            },
            {
              "date": "2021-04",
              "role": "専務執行役員環境システム事業部長"
            },
            {
              "date": "2021-06",
              "role": "取締役専務執行役員環境システム事業部長"
            },
            {
              "date": "2023-04",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2024-04",
              "role": "代表取締役社長執行役員兼事業開発本部長"
            },
            {
              "date": "2025-04",
              "role": "代表取締役社長執行役員"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/1979/executives/ceo/osada-masashi/",
      "term_start": "2023-04",
      "term_end": null
    }
  ]
}