{
  "spec_version": "4",
  "endpoint": "ceo",
  "stock_code": "3107",
  "company_name": "ダイワボウホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/3107/ceo/",
  "api_url": "/api/3107/ceo.json",
  "updated": "2026-09-18",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/3107/ceo/",
  "source": {
    "ceo": {
      "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"
    }
  },
  "count": 4,
  "ceo": [
    {
      "slug": "kanno-hajime",
      "name": "菅野肇",
      "kana": "かんの　はじめ",
      "hometown": "東京都",
      "education": "慶應義塾大学経済学部 (1965)",
      "education_source": "https://ja.wikipedia.org/wiki/%E8%8F%85%E9%87%8E%E8%82%87",
      "prev_role": null,
      "career": [
        {
          "company": "ダイワボウホールディングス",
          "from": "1991",
          "to": "2008",
          "roles": [
            {
              "date": "1991",
              "role": "取締役社長",
              "is_ceo_appointed": true
            },
            {
              "date": "2005",
              "role": "代表取締役社長"
            },
            {
              "date": "2010-06",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "html_url": "https://the-shashi.com/tse/3107/executives/ceo/kanno-hajime/",
      "term_start": "1991",
      "term_end": "2010-06"
    },
    {
      "slug": "sakaguchi-masaaki",
      "name": "阪口政明",
      "kana": "さかぐち　まさあき",
      "origin": "生え抜き（1971年入社）",
      "origin_type": "生え抜き",
      "hometown": "大阪府",
      "education": "慶應義塾大学法学部政治学科 (1971)",
      "education_source": "https://ja.wikipedia.org/wiki/%E9%98%AA%E5%8F%A3%E6%94%BF%E6%98%8E",
      "prev_role": "取締役常務執行役員",
      "career": [
        {
          "company": "ダイワボウホールディングス",
          "from": "1971-04",
          "to": null,
          "roles": [
            {
              "date": "1971-04",
              "role": "ダイワボウ入社"
            },
            {
              "date": "1991-04",
              "role": "商品開発第一部長"
            },
            {
              "date": "2000-06",
              "role": "取締役"
            },
            {
              "date": "2003-06",
              "role": "常務取締役"
            },
            {
              "date": "2007-06",
              "role": "取締役常務執行役員"
            },
            {
              "date": "2010-06",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2015-06",
              "role": "代表取締役会長"
            },
            {
              "date": "2015-06",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/3107/executives/ceo/sakaguchi-masaaki/",
      "term_start": "2010-06",
      "term_end": "2015-06"
    },
    {
      "slug": "nogami-yoshihiro",
      "name": "野上義博",
      "kana": "のがみ　よしひろ",
      "origin": "生え抜き（1973年入社）",
      "origin_type": "生え抜き",
      "hometown": "福岡県",
      "education": "九州大学経済学部経済学科 (1973)",
      "education_source": "https://ja.wikipedia.org/wiki/%E9%87%8E%E4%B8%8A%E7%BE%A9%E5%8D%9A",
      "prev_role": "取締役専務執行役員",
      "career": [
        {
          "company": "ダイワボウホールディングス",
          "from": "1973-04",
          "to": "2006-01",
          "roles": [
            {
              "date": "1973-04",
              "role": "ダイワボウ入社"
            }
          ]
        },
        {
          "company": "ダイワボウ情報システム株式会社",
          "from": "2006-01",
          "to": null,
          "roles": [
            {
              "date": "2006-01",
              "role": "入社"
            },
            {
              "date": "2006-06",
              "role": "取締役"
            },
            {
              "date": "2008-01",
              "role": "常務取締役"
            },
            {
              "date": "2009-04",
              "role": "代表取締役社長 ダイワボウ常務執行役員 ＩＴインフラ流通事業統括"
            },
            {
              "date": "2009-06",
              "role": "取締役常務執行役員"
            },
            {
              "date": "2011-06",
              "role": "取締役専務執行役員"
            },
            {
              "date": "2015-06",
              "role": "代表取締役社長 社長執行役員",
              "is_ceo_appointed": true
            },
            {
              "date": "2020-04",
              "role": "社長退任（次期社長登用による推定）",
              "is_ceo_retired": true,
              "retirement_basis": "next_ceo"
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": null,
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/3107/executives/ceo/nogami-yoshihiro/",
      "term_start": "2015-06",
      "term_end": "2020-04"
    },
    {
      "slug": "nishimura-yukihiro",
      "name": "西村幸浩",
      "kana": "にしむら　ゆきひろ",
      "origin": "生え抜き（1985年入社）",
      "origin_type": "生え抜き",
      "hometown": null,
      "education": null,
      "prev_role": "取締役専務執行役員",
      "career": [
        {
          "company": "ダイワボウ情報システム",
          "from": "1985-04",
          "to": "2012-06",
          "roles": [
            {
              "date": "1985-04",
              "role": "入社"
            },
            {
              "date": "2006-06",
              "role": "取締役"
            },
            {
              "date": "2012-04",
              "role": "常務取締役"
            }
          ]
        },
        {
          "company": "ダイワボウ",
          "from": "2012-06",
          "to": null,
          "roles": [
            {
              "date": "2012-06",
              "role": "常務執行役員"
            },
            {
              "date": "2017-06",
              "role": "取締役常務執行役員"
            },
            {
              "date": "2018-06",
              "role": "取締役専務執行役員"
            },
            {
              "date": "2020-04",
              "role": "代表取締役社長",
              "is_ceo_appointed": true
            }
          ]
        }
      ],
      "sections": {
        "tenure_summary": "IT流通子会社DIS出身の社長として、繊維からIT機器流通への業態転換を仕上げた。",
        "management_policy": null,
        "initiatives": null
      },
      "html_url": "https://the-shashi.com/tse/3107/executives/ceo/nishimura-yukihiro/",
      "term_start": "2020-04",
      "term_end": null
    }
  ]
}