{
  "spec_version": "5",
  "endpoint": "director",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/outside-directors/yamagata-toshiki/",
  "api_url": "/api/directors/yamagata-toshiki.json",
  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/outside-directors/yamagata-toshiki/",
  "source": {
    "person": {
      "primary": [
        "コーポレート・ガバナンス報告書（社外取締役の属性・独立役員）",
        "有価証券報告書（役員の状況・略歴）",
        "招集通知・臨時報告書（選任議案の賛成比率）"
      ],
      "extraction": "各社の最新の CG 報告書と有報の役員の表から機械抽出し、漢字の氏名＋生年月で会社をまたいで名寄せ",
      "caveat": "兼務先は最新の断面（有報の役員の表が最新から 400 日以内）。経歴の行ごとの出典は refs が sources の id を指す"
    }
  },
  "person": {
    "slug": "yamagata-toshiki",
    "name": "山形俊樹",
    "last_name": "山形",
    "first_name": "俊樹",
    "romaji": "Yamagata Toshiki",
    "last_name_romaji": "Yamagata",
    "first_name_romaji": "Toshiki",
    "birth": "1958-05",
    "directorships": [
      {
        "stock_code": "3202",
        "company_name": "ダイトウボウ",
        "role": "取締役",
        "start_at": "2021-03",
        "end_at": null,
        "independent": null,
        "attribute": "他の会社の出身者",
        "votes": [
          {
            "month": "2024/6",
            "ratio": 95.3
          },
          {
            "month": "2025/6",
            "ratio": 96.84
          },
          {
            "month": "2026/6",
            "ratio": 93.51
          }
        ],
        "company_html_url": "https://the-shashi.com/tse/3202/"
      }
    ],
    "career": [
      {
        "ym": "1982-04",
        "kind": "民間",
        "org": "長谷工コーポレーション",
        "stock_code": "1808",
        "role": "入社",
        "current": false,
        "row_text": "株式会社長谷工コーポレーション入社",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "1988-06",
        "kind": "大学・研究",
        "org": "Claremont Graduate University",
        "stock_code": null,
        "role": "Drucker School of Management 経営学修士（MBA）修了",
        "current": false,
        "row_text": "米国 Claremont Graduate University, Drucker School of Managementにて経営学修士（MBA）修了",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "1997-09",
        "kind": "民間",
        "org": "長谷工ハワイ・インク",
        "stock_code": null,
        "role": "副社長",
        "current": false,
        "row_text": "長谷工ハワイ・インク 副社長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2004-10",
        "kind": "民間",
        "org": "サンダンス・リゾート",
        "stock_code": null,
        "role": "入社",
        "current": false,
        "row_text": "株式会社サンダンス・リゾート入社",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2009-07",
        "kind": "民間",
        "org": "サンダンス・リゾート",
        "stock_code": null,
        "role": "代表取締役社長",
        "current": false,
        "row_text": "同社代表取締役社長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2015-04",
        "kind": "民間",
        "org": "蒼設備設計",
        "stock_code": null,
        "role": "代表取締役社長",
        "current": false,
        "row_text": "株式会社蒼設備設計代表取締役社長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2016-04",
        "kind": "民間",
        "org": "マイスターエンジニアリング",
        "stock_code": null,
        "role": "代表取締役社長",
        "current": false,
        "row_text": "株式会社マイスターエンジニアリング代表取締役社長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2018-07",
        "kind": "民間",
        "org": "ボルテックス",
        "stock_code": null,
        "role": "業務本部 ソリューション統括部 統括部長",
        "current": false,
        "row_text": "株式会社ボルテックス業務本部 ソリューション統括部 統括部長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2019-12",
        "kind": "民間",
        "org": "ボルテックス",
        "stock_code": null,
        "role": "執行役員業務本部本部長",
        "current": false,
        "row_text": "同社執行役員業務本部本部長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2020-07",
        "kind": "民間",
        "org": "ボルテックス",
        "stock_code": null,
        "role": "執行役員事業統括本部本部長",
        "current": false,
        "row_text": "同社執行役員事業統括本部本部長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2021-06",
        "kind": "民間",
        "org": "ダイトウボウ",
        "stock_code": "3202",
        "role": "取締役",
        "current": true,
        "row_text": "ダイトウボウ取締役（現任）",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2023-01",
        "kind": "民間",
        "org": "ボルテックス",
        "stock_code": null,
        "role": "執行役員人事本部本部長",
        "current": false,
        "row_text": "株式会社ボルテックス執行役員人事本部本部長",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2024-01",
        "kind": "民間",
        "org": "ボルテックス",
        "stock_code": null,
        "role": "常勤監査役",
        "current": true,
        "row_text": "同社常勤監査役（現任）",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2025-05",
        "kind": "民間",
        "org": "ボルテックス投資顧問",
        "stock_code": null,
        "role": "非常勤監査役",
        "current": true,
        "row_text": "株式会社ボルテックス投資顧問非常勤監査役（現任）",
        "refs": [
          "r1"
        ]
      },
      {
        "ym": "2026-04",
        "kind": "民間",
        "org": "ボルテックス・フィナンシャル・パートナーズ",
        "stock_code": null,
        "role": "非常勤監査役",
        "current": true,
        "row_text": "株式会社ボルテックス・フィナンシャル・パートナーズ非常勤監査役（現任）",
        "refs": [
          "r1"
        ]
      }
    ],
    "sources": [
      {
        "id": "r1",
        "type": "有価証券報告書",
        "title": "有価証券報告書",
        "by": "ダイトウボウ",
        "date": "2026-06-23",
        "url": null,
        "note": "役員の状況"
      }
    ],
    "api_url": "https://the-shashi.com/api/directors/yamagata-toshiki.json",
    "list_api_url": "https://the-shashi.com/api/directors.json",
    "html_url": "https://the-shashi.com/outside-directors/yamagata-toshiki/"
  }
}