{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "1801",
  "company_name": "大成建設",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1801/executives/ceo/minami-koji/",
  "api_url": "/api/1801/ceo/minami-koji.json",
  "updated": "2026-11-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1801/executives/ceo/minami-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": "minami-koji",
    "name": "南幸治",
    "kana": "みなみ　こうじ",
    "surname": "南",
    "given_name": "幸治",
    "origin": "生え抜き。営業部長・建築部長を務め、1957年に取締役、1963年に専務を経て1969年5月末に社長へ",
    "origin_type": "生え抜き",
    "hometown": "山口県",
    "prev_role": "専務",
    "career": [
      {
        "company": "大成建設",
        "from": null,
        "to": null,
        "roles": [
          {
            "date": "1957",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "1963",
            "role": "専務取締役",
            "board": "取締役",
            "title": "専務"
          },
          {
            "date": "1969-05",
            "role": "取締役社長",
            "board": "取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "1975-05",
            "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"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/1801/executives/ceo/minami-koji/",
    "term_start": "1969-05",
    "term_end": "1975-05",
    "api_url": "https://the-shashi.com/api/1801/ceo/minami-koji.json",
    "list_api_url": "https://the-shashi.com/api/1801/ceo.json",
    "predecessor": {
      "slug": "homma-kahei",
      "name": "本間嘉平",
      "api_url": "https://the-shashi.com/api/1801/ceo/homma-kahei.json"
    },
    "successor": {
      "slug": "sugasawa-hideo",
      "name": "菅澤英夫",
      "api_url": "https://the-shashi.com/api/1801/ceo/sugasawa-hideo.json"
    }
  }
}