{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "1815",
  "company_name": "鉄建建設",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1815/executives/ceo/ito-yasushi/",
  "api_url": "/api/1815/ceo/ito-yasushi.json",
  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1815/executives/ceo/ito-yasushi/",
  "source": {
    "person": {
      "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"
    }
  },
  "person": {
    "slug": "ito-yasushi",
    "name": "伊藤泰司",
    "kana": "いとう　やすし",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "日本国有鉄道",
        "from": "1978-04",
        "to": null,
        "roles": [
          {
            "date": "1978-04",
            "role": "入社"
          }
        ]
      },
      {
        "company": "東日本旅客鉄道株式会社",
        "from": "2003-06",
        "to": null,
        "roles": [
          {
            "date": "2003-06",
            "role": "東京工事事務所上信越工事事務所長"
          },
          {
            "date": "2004-06",
            "role": "同 東京工事事務所長"
          },
          {
            "date": "2006-06",
            "role": "同 理事長野支社長"
          },
          {
            "date": "2008-06",
            "role": "同 執行役員長野支社長"
          },
          {
            "date": "2009-06",
            "role": "同 執行役員建設工事部長 (2012年６月退任）"
          }
        ]
      },
      {
        "company": "",
        "from": "2009-06",
        "to": null,
        "roles": [
          {
            "date": "2009-06",
            "role": "社外取締役"
          },
          {
            "date": "2012-06",
            "role": "取締役常務執行役員鉄道統括室長兼土木本部担当兼建築本部担当"
          },
          {
            "date": "2013-04",
            "role": "取締役専務執行役員鉄道統括室長兼土木本部担当兼建築本部担当"
          },
          {
            "date": "2015-04",
            "role": "取締役執行役員副社長鉄道統括室長兼土木本部担当兼建築本部担当"
          },
          {
            "date": "2015-06",
            "role": "取締役執行役員副社長"
          },
          {
            "date": "2016-06",
            "role": "代表取締役執行役員副社長"
          },
          {
            "date": "2018-06",
            "role": "代表取締役社長執行役員社長 （現任）",
            "is_ceo_appointed": true
          }
        ]
      }
    ],
    "sections": {
      "tenure_summary": null,
      "management_policy": null,
      "initiatives": null,
      "evaluation": null,
      "notable": null
    },
    "html_url": "https://the-shashi.com/tse/1815/executives/ceo/ito-yasushi/",
    "term_start": "2018-06",
    "term_end": null,
    "api_url": "https://the-shashi.com/api/1815/ceo/ito-yasushi.json",
    "list_api_url": "https://the-shashi.com/api/1815/ceo.json",
    "predecessor": null,
    "successor": null
  }
}