{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "2804",
  "company_name": "ブルドックソース",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/2804/ceo/",
  "api_url": "/api/2804/ceo.json",
  "updated": "2026-09-19",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/2804/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": 2,
  "ceo": [
    {
      "slug": "ikeda-shoko",
      "name": "池田章子",
      "kana": "いけだ　しょうこ",
      "hometown": "山形県",
      "education": "実践女子大学短期大学部国文学科",
      "education_source": "https://ja.wikipedia.org/wiki/%E6%B1%A0%E7%94%B0%E7%AB%A0%E5%AD%90",
      "prev_role": null,
      "career": [
        {
          "company": "ブルドックソース",
          "from": "1999",
          "to": "2015",
          "roles": [
            {
              "date": "1999",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2017-04",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "html_url": "https://the-shashi.com/tse/2804/executives/ceo/ikeda-shoko/",
      "term_start": "1999",
      "term_end": "2017-04"
    },
    {
      "slug": "ishigaki-hisatoshi",
      "name": "石垣幸俊",
      "kana": "いしがき　ひさとし",
      "origin": "生え抜き（1978年入社）。イカリソース社長を経て社長へ",
      "origin_type": "生え抜き",
      "hometown": "北海道",
      "education": "小樽商科大学商学部経済学科 (1977)",
      "education_source": "https://ja.wikipedia.org/wiki/%E7%9F%B3%E5%9E%A3%E5%B9%B8%E4%BF%8A",
      "prev_role": "専務取締役",
      "career": [
        {
          "company": "ブルドックソース",
          "from": "1978-10",
          "to": null,
          "roles": [
            {
              "date": "1978-10",
              "role": "入社"
            },
            {
              "date": "2000-06",
              "role": "取締役"
            },
            {
              "date": "2008-06",
              "role": "常務取締役"
            },
            {
              "date": "2011-06",
              "role": "専務取締役"
            },
            {
              "date": "2017-04",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2018-04",
              "role": "代表取締役社長執行役員"
            }
          ]
        },
        {
          "company": "イカリソース",
          "from": "2005-09",
          "to": null,
          "concurrent": true,
          "roles": [
            {
              "date": "2005-09",
              "role": "代表取締役社長"
            },
            {
              "date": "2023-06",
              "role": "代表取締役会長執行役員"
            },
            {
              "date": "2024-06",
              "role": "取締役"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": "ブルドックソース生え抜きの社長\n\nソース主力の事業基盤維持とグループ運営を担う"
      },
      "html_url": "https://the-shashi.com/tse/2804/executives/ceo/ishigaki-hisatoshi/",
      "term_start": "2017-04",
      "term_end": null
    }
  ]
}