{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "5232",
  "company_name": "住友大阪セメント",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5232/ceo/",
  "api_url": "/api/5232/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/5232/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": "渡邊穰",
      "name": "渡邊穰",
      "kana": null,
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "住友大阪セメント",
          "from": "1999",
          "to": "2009",
          "roles": [
            {
              "date": "1999",
              "role": "取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2010",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "term_start": "1999",
      "term_end": "2011-01"
    },
    {
      "slug": "sekine-fukuichi",
      "name": "関根福一",
      "kana": "せきね　ふくいち",
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "住友大阪セメント",
          "from": "2010",
          "to": "2019",
          "roles": [
            {
              "date": "2011-01",
              "role": "取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2020",
              "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/5232/executives/ceo/sekine-fukuichi/",
      "term_start": "2011-01",
      "term_end": "2021-06"
    },
    {
      "slug": "諸橋央典",
      "name": "諸橋央典",
      "kana": null,
      "hometown": null,
      "education": null,
      "prev_role": null,
      "career": [
        {
          "company": "住友大阪セメント",
          "from": "2020",
          "to": "2025",
          "roles": [
            {
              "date": "2021-06",
              "role": "取締役社長",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "term_start": "2021-06",
      "term_end": null
    }
  ]
}