{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "9021",
  "company_name": "西日本旅客鉄道",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9021/executives/ceo/sasaki-takayuki/",
  "api_url": "/api/9021/ceo/sasaki-takayuki.json",
  "updated": "2026-11-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9021/executives/ceo/sasaki-takayuki/",
  "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": "sasaki-takayuki",
    "name": "佐々木隆之",
    "kana": "ささき　たかゆき",
    "surname": "佐々木",
    "given_name": "隆之",
    "origin": "生え抜き（1970年日本国有鉄道入社、1987年の分割民営化で西日本旅客鉄道へ）。取締役財務部長・鉄道本部営業部長を歩み、ジェイアール西日本デイリーサービスネット社長、代表取締役副社長・副会長を経て社長へ",
    "origin_type": "生え抜き",
    "hometown": "広島県広島市",
    "prev_role": "代表取締役副会長兼執行役員ＩＴ本部長",
    "career": [
      {
        "company": "西日本旅客鉄道",
        "from": "1994-06",
        "to": "2012-05",
        "roles": [
          {
            "date": "1994-06",
            "role": "財務部長",
            "dept": "財務部長"
          },
          {
            "date": "1995-06",
            "role": "取締役財務部長",
            "board": "取締役",
            "dept": "財務部長"
          },
          {
            "date": "1997-06",
            "role": "取締役鉄道本部副本部長、 鉄道本部営業部長、鉄道本部線区別検討チーム本部長",
            "board": "取締役",
            "dept": "鉄道本部副本部長、 鉄道本部営業部長、鉄道本部線区別検討チーム本部長"
          },
          {
            "date": "1999-06",
            "role": "執行役員鉄道本部副本部長、鉄道本部営業部長",
            "officer": "執行役員",
            "dept": "鉄道本部副本部長、鉄道本部営業部長"
          },
          {
            "date": "2000-06",
            "role": "常勤監査役",
            "board": "常勤監査役"
          },
          {
            "date": "2007-06",
            "role": "代表取締役副社長兼執行役員",
            "board": "代表取締役",
            "title": "副社長",
            "officer": "執行役員"
          },
          {
            "date": "2007-07",
            "role": "代表取締役副社長兼執行役員ＩＴ本部長",
            "board": "代表取締役",
            "title": "副社長",
            "officer": "執行役員",
            "dept": "IT本部長"
          },
          {
            "date": "2009-06",
            "role": "代表取締役副会長兼執行役員ＩＴ本部長",
            "board": "代表取締役",
            "title": "副会長",
            "officer": "執行役員",
            "dept": "IT本部長"
          },
          {
            "date": "2009-08",
            "role": "代表取締役社長兼執行役員",
            "board": "代表取締役",
            "title": "社長",
            "officer": "執行役員",
            "is_ceo_appointed": true
          },
          {
            "date": "2012-05",
            "role": "社長退任（次期社長登用による推定）",
            "title": "社長",
            "event": "退任",
            "estimated": true,
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          }
        ]
      },
      {
        "company": "株式会社ジェイアール西日本デイリーサービスネット",
        "from": "2002-06",
        "to": null,
        "roles": [
          {
            "date": "2002-06",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/9021/executives/ceo/sasaki-takayuki/",
    "term_start": "2009-08",
    "term_end": "2012-05",
    "api_url": "https://the-shashi.com/api/9021/ceo/sasaki-takayuki.json",
    "list_api_url": "https://the-shashi.com/api/9021/ceo.json",
    "predecessor": {
      "slug": "yamazaki-masao",
      "name": "山崎正夫",
      "api_url": "https://the-shashi.com/api/9021/ceo/yamazaki-masao.json"
    },
    "successor": {
      "slug": "manabe-seishi",
      "name": "真鍋精志",
      "api_url": "https://the-shashi.com/api/9021/ceo/manabe-seishi.json"
    }
  }
}