{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "8174",
  "company_name": "日本瓦斯",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/8174/ceo/",
  "api_url": "/api/8174/ceo.json",
  "updated": "2026-09-18",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8174/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": 3,
  "ceo": [
    {
      "slug": "motoyama-shusaku",
      "name": "本山修策",
      "kana": "もとやま　しゅうさく",
      "origin": "外部出身。島根県副知事から1955年7月の日本瓦斯設立にあたり初代社長へ就任し、1987年まで32年間トップを務めた",
      "origin_type": "外部出身",
      "hometown": null,
      "education": "東京帝国大学法学部 (1931)",
      "education_source": "会社年鑑（1986年版）【役員】「(代)社長 本山修策（東大法6年卒、元島根県副知事）」",
      "prev_role": "島根県副知事",
      "career": [
        {
          "company": "日本瓦斯",
          "from": "1955-07",
          "to": null,
          "roles": [
            {
              "date": "1955-07",
              "role": "代表取締役社長（設立時・初代）",
              "is_ceo_appointed": true
            },
            {
              "date": "1987",
              "role": "社長退任",
              "is_ceo_retired": true,
              "retirement_basis": "history"
            }
          ]
        }
      ],
      "term_start": "1955-07",
      "term_end": "2005-06"
    },
    {
      "slug": "wada-shinji",
      "name": "和田眞治",
      "kana": "わだ　しんじ",
      "origin": "生え抜き（1977年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "専務取締役（営業本部長）",
      "career": [
        {
          "company": "日本瓦斯",
          "from": "1977-03",
          "to": null,
          "roles": [
            {
              "date": "1977-03",
              "role": "入社"
            },
            {
              "date": "2000-06",
              "role": "常務取締役（営業本部西関東支店長）"
            },
            {
              "date": "2001-04",
              "role": "常務取締役（営業本部営業統括兼西関東支店長）"
            },
            {
              "date": "2002-04",
              "role": "常務取締役（営業本部営業統括）"
            },
            {
              "date": "2003-01",
              "role": "常務取締役（営業本部長）"
            },
            {
              "date": "2004-06",
              "role": "専務取締役（営業本部長）"
            },
            {
              "date": "2005-06",
              "role": "代表取締役社長（営業本部長）",
              "is_ceo_appointed": true
            },
            {
              "date": "2006-04",
              "role": "代表取締役社長"
            },
            {
              "date": "2020-06",
              "role": "代表取締役社長執行役員"
            },
            {
              "date": "2022-05",
              "role": "取締役会長執行役員"
            },
            {
              "date": "2022-05",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/8174/executives/ceo/wada-shinji/",
      "term_start": "2005-06",
      "term_end": "2022-05"
    },
    {
      "slug": "kashiwaya-kunihiko",
      "name": "柏谷邦彦",
      "hometown": null,
      "education": null,
      "prev_role": "代表取締役専務執行役員",
      "career": [
        {
          "company": "Ernst＆Young",
          "from": "1999-09",
          "to": "2003-03",
          "roles": [
            {
              "date": "1999-09",
              "role": "入社"
            }
          ]
        },
        {
          "company": "オリックス",
          "from": "2003-03",
          "to": "2012-03",
          "roles": [
            {
              "date": "2003-03",
              "role": "入社"
            }
          ]
        },
        {
          "company": "日本瓦斯",
          "from": "2012-03",
          "to": null,
          "roles": [
            {
              "date": "2012-03",
              "role": "入社"
            },
            {
              "date": "2017-02",
              "role": "常務取締役"
            },
            {
              "date": "2018-04",
              "role": "代表取締役専務"
            },
            {
              "date": "2020-06",
              "role": "代表取締役専務執行役員"
            },
            {
              "date": "2022-05",
              "role": "代表取締役社長執行役員",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": "会計・金融出身の中途入社組として、ガス・エネルギー事業の成長を牽引した。",
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/8174/executives/ceo/kashiwaya-kunihiko/",
      "term_start": "2022-05",
      "term_end": null
    }
  ]
}