{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "jp-ibm",
  "company_name": "日本アイ・ビー・エム",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/jp-ibm/executives/ceo/kitashiro-kakutaro/",
  "api_url": "/api/jp-ibm/ceo/kitashiro-kakutaro.json",
  "updated": "2026-10-29",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/jp-ibm/executives/ceo/kitashiro-kakutaro/",
  "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": "kitashiro-kakutaro",
    "name": "北城恪太郎",
    "kana": "きたしろ　かくたろう",
    "surname": "北城",
    "given_name": "恪太郎",
    "hometown": null,
    "education": "慶應義塾大学工学部",
    "prev_role": "副社長",
    "career": [
      {
        "company": "日本アイ・ビー・エム",
        "from": "1967",
        "to": null,
        "roles": [
          {
            "date": "1967",
            "role": "入社",
            "event": "入社"
          },
          {
            "date": "1972",
            "role": "米カリフォルニア大学大学院修士課程修了"
          },
          {
            "date": "1986",
            "role": "常務",
            "title": "常務"
          },
          {
            "date": "1993-01",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1999-12",
            "role": "代表取締役会長",
            "board": "代表取締役",
            "title": "会長"
          },
          {
            "date": "1999-12",
            "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"
          },
          {
            "date": "2003",
            "role": "経済同友会代表幹事"
          }
        ]
      },
      {
        "company": "IBMアジア・パシフィック",
        "from": "1999-12",
        "to": null,
        "roles": [
          {
            "date": "1999-12",
            "role": "ゼネラルマネジャー",
            "dept": "ゼネラルマネジャー"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/jp-ibm/executives/ceo/kitashiro-kakutaro/",
    "term_start": "1993-01",
    "term_end": "1999-12",
    "api_url": "https://the-shashi.com/api/jp-ibm/ceo/kitashiro-kakutaro.json",
    "list_api_url": "https://the-shashi.com/api/jp-ibm/ceo.json",
    "predecessor": {
      "slug": "shiina-takeo",
      "name": "椎名武雄",
      "api_url": "https://the-shashi.com/api/jp-ibm/ceo/shiina-takeo.json"
    },
    "successor": {
      "slug": "otoshi-takuma",
      "name": "大歳卓麻",
      "api_url": "https://the-shashi.com/api/jp-ibm/ceo/otoshi-takuma.json"
    }
  }
}