{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "4483",
  "company_name": "JMDC",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4483/executives/ceo/matsushima-yosuke/",
  "api_url": "/api/4483/ceo/matsushima-yosuke.json",
  "updated": "2026-10-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4483/executives/ceo/matsushima-yosuke/",
  "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": "matsushima-yosuke",
    "name": "松島陽介",
    "kana": "まつしま　ようすけ",
    "surname": "松島",
    "given_name": "陽介",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "第一生命保険㈱",
        "from": "1995-04",
        "to": null,
        "roles": [
          {
            "date": "1995-04",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "Ａ．Ｔ．カーニー㈱",
        "from": "2001-06",
        "to": null,
        "roles": [
          {
            "date": "2001-06",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "マッキンゼー＆カンパニー",
        "from": "2005-10",
        "to": null,
        "roles": [
          {
            "date": "2005-10",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "㈱ＭＫＳパートナーズ",
        "from": "2007-02",
        "to": null,
        "roles": [
          {
            "date": "2007-02",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "丸の内キャピタル㈱",
        "from": "2008-12",
        "to": null,
        "roles": [
          {
            "date": "2008-12",
            "role": "入社",
            "event": "入社"
          }
        ]
      },
      {
        "company": "ＮＫリレーションズ㈱（現 ノーリツ鋼機㈱）",
        "from": "2012-04",
        "to": null,
        "roles": [
          {
            "date": "2012-04",
            "role": "代表取締役",
            "board": "代表取締役"
          }
        ]
      },
      {
        "company": "エヌエスパートナーズ㈱",
        "from": "2012-07",
        "to": null,
        "roles": [
          {
            "date": "2012-07",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "JMDC",
        "from": "2013-05",
        "to": null,
        "roles": [
          {
            "date": "2013-05",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "ノーリツ鋼機㈱",
        "from": "2013-06",
        "to": null,
        "roles": [
          {
            "date": "2013-06",
            "role": "取締役副社長ＣＯＯ",
            "board": "取締役",
            "title": "副社長",
            "officer": "COO"
          }
        ]
      },
      {
        "company": "JMDC",
        "from": "2013-10",
        "to": null,
        "roles": [
          {
            "date": "2013-10",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2014-10",
            "role": "代表取締役社長退任（非常勤取締役）",
            "board": "代表取締役",
            "title": "社長",
            "event": "退任",
            "part_time": true
          }
        ]
      },
      {
        "company": "㈱ドクターネット",
        "from": "2015-07",
        "to": null,
        "roles": [
          {
            "date": "2015-07",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "㈱PKSHA Technology 社外",
        "from": "2016-06",
        "to": null,
        "roles": [
          {
            "date": "2016-06",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "JMDC",
        "from": "2018-04",
        "to": null,
        "roles": [
          {
            "date": "2018-04",
            "role": "代表取締役社長 兼 ＣＥＯ",
            "board": "代表取締役",
            "title": "社長",
            "officer": "CEO"
          }
        ]
      },
      {
        "company": "メディカルデータベース㈱",
        "from": "2018-06",
        "to": null,
        "roles": [
          {
            "date": "2018-06",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "エヌエスパートナーズ㈱",
        "from": "2020-04",
        "to": null,
        "roles": [
          {
            "date": "2020-04",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "データインデックス㈱",
        "from": "2020-11",
        "to": null,
        "roles": [
          {
            "date": "2020-11",
            "role": "取締役",
            "board": "取締役"
          }
        ]
      },
      {
        "company": "JMDC",
        "from": "2023-06",
        "to": null,
        "roles": [
          {
            "date": "2023-06",
            "role": "代表取締役会長",
            "board": "代表取締役",
            "title": "会長"
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      },
      {
        "company": "㈱カラダノート 社外",
        "from": "2023-10",
        "to": null,
        "roles": [
          {
            "date": "2023-10",
            "role": "取締役（現任）",
            "board": "取締役",
            "current": true
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        ]
      },
      {
        "company": "JMDC",
        "from": "2024-06",
        "to": null,
        "roles": [
          {
            "date": "2024-06",
            "role": "取締役会長（現任）",
            "board": "取締役",
            "title": "会長",
            "current": true
          }
        ]
      }
    ],
    "references": [
      {
        "source": "JMDC 定時株主総会招集通知（2026年6月・取締役候補者のふりがな）",
        "url": null,
        "for": [
          "kana"
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/4483/executives/ceo/matsushima-yosuke/",
    "term_start": "2013-10",
    "term_end": "2023-06",
    "api_url": "https://the-shashi.com/api/4483/ceo/matsushima-yosuke.json",
    "list_api_url": "https://the-shashi.com/api/4483/ceo.json",
    "predecessor": null,
    "successor": {
      "slug": "noguchi-ryo",
      "name": "野口亮",
      "api_url": "https://the-shashi.com/api/4483/ceo/noguchi-ryo.json"
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}