{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "9437",
  "company_name": "NTTドコモ",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9437/executives/ceo/oboshi-koji/",
  "api_url": "/api/9437/ceo/oboshi-koji.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9437/executives/ceo/oboshi-koji/",
  "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": "oboshi-koji",
    "name": "大星公二",
    "kana": "おおぼし　こうじ",
    "surname": "大星",
    "given_name": "公二",
    "birthdate": "1932-04-07",
    "origin": "外部出身（日本電信電話からの派遣）。日本電信電話の取締役を経て、移動体通信部門の分社で発足したエヌ・ティ・ティ移動通信網（現NTTドコモ）の初代社長を務めた。値下げで通話料を6年で3分の1に下げ、端末の売り切り制の導入と全国エリアの整備で加入者を年1000万人規模へ伸ばし、iモードの開発を後押ししている",
    "origin_type": "外部出身",
    "education": null,
    "prev_company": "日本電信電話",
    "career": [
      {
        "company": "NTTドコモ",
        "from": "1992",
        "to": null,
        "roles": [
          {
            "date": "1992",
            "role": "取締役社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1998-06",
            "role": "社長退任（次期社長登用による推定）",
            "is_ceo_retired": true,
            "retirement_basis": "next_ceo"
          },
          {
            "date": "1998-06",
            "role": "取締役会長"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/9437/executives/ceo/oboshi-koji/",
    "term_start": "1992",
    "term_end": "1998-06",
    "api_url": "https://the-shashi.com/api/9437/ceo/oboshi-koji.json",
    "list_api_url": "https://the-shashi.com/api/9437/ceo.json",
    "predecessor": null,
    "successor": {
      "slug": "tachikawa-keiji",
      "name": "立川敬二",
      "api_url": "https://the-shashi.com/api/9437/ceo/tachikawa-keiji.json"
    }
  }
}