{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "6859",
  "company_name": "エスペック",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6859/executives/ceo/ishida-masaaki/",
  "api_url": "/api/6859/ceo/ishida-masaaki.json",
  "updated": "2026-10-26",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6859/executives/ceo/ishida-masaaki/",
  "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": "ishida-masaaki",
    "name": "石田雅昭",
    "kana": "いしだ　まさあき",
    "surname": "石田",
    "given_name": "雅昭",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "エスペック",
        "from": "1977-04",
        "to": null,
        "roles": [
          {
            "date": "1977-04",
            "role": "入社",
            "event": "入社"
          },
          {
            "date": "2008-06",
            "role": "取締役",
            "board": "取締役"
          },
          {
            "date": "2009-06",
            "role": "常務取締役",
            "board": "取締役",
            "title": "常務"
          },
          {
            "date": "2011-04",
            "role": "代表取締役社長",
            "board": "代表取締役",
            "title": "社長",
            "is_ceo_appointed": true
          },
          {
            "date": "2022-04",
            "role": "代表取締役会長（現在）",
            "board": "代表取締役",
            "title": "会長",
            "current": true
          }
        ]
      }
    ],
    "references": [
      {
        "source": "エスペック 決算説明「presentation2018 2q 01 第2四半期決算説明会」（2018年）",
        "url": null,
        "for": [
          "kana"
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/6859/executives/ceo/ishida-masaaki/",
    "term_start": "2011-04",
    "term_end": "2022-04",
    "api_url": "https://the-shashi.com/api/6859/ceo/ishida-masaaki.json",
    "list_api_url": "https://the-shashi.com/api/6859/ceo.json",
    "predecessor": null,
    "successor": {
      "slug": "arata-satoshi",
      "name": "荒田知",
      "api_url": "https://the-shashi.com/api/6859/ceo/arata-satoshi.json"
    }
  }
}