{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "4046",
  "company_name": "大阪ソーダ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4046/ceo/",
  "api_url": "/api/4046/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/4046/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": "佐藤存",
      "name": "佐藤存",
      "kana": null,
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "大阪ソーダ",
          "from": "1964-04",
          "to": null,
          "roles": [
            {
              "date": "1964-04",
              "role": "入社"
            },
            {
              "date": "1995-12",
              "role": "企画部長・管理部長・営業企画部長"
            },
            {
              "date": "1996-06",
              "role": "取締役"
            },
            {
              "date": "2000-06",
              "role": "常務取締役"
            },
            {
              "date": "2003-06",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2010-06",
              "role": "代表取締役社長執行役員"
            },
            {
              "date": "2017-06",
              "role": "代表取締役会長"
            }
          ]
        }
      ],
      "term_start": "2003-06",
      "term_end": "2017-06"
    },
    {
      "slug": "terada-kenshi",
      "name": "寺田健志",
      "kana": "てらだ　けんし",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "大阪ソーダ",
          "from": "1988-04",
          "to": null,
          "roles": [
            {
              "date": "1988-04",
              "role": "入社"
            },
            {
              "date": "2012-10",
              "role": "執行役員営業本部化学品事業部長"
            },
            {
              "date": "2014-06",
              "role": "取締役上席執行役員経営戦略本部長"
            },
            {
              "date": "2014-11",
              "role": "取締役上席執行役員機能材事業部長"
            },
            {
              "date": "2015-06",
              "role": "取締役常務執行役員経営戦略本部長"
            },
            {
              "date": "2016-07",
              "role": "取締役常務執行役員機能材事業部長"
            },
            {
              "date": "2017-06",
              "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/4046/executives/ceo/terada-kenshi/",
      "term_start": "2017-06",
      "term_end": null
    }
  ]
}