{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "3153",
  "company_name": "八洲電機",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/3153/executives/ceo/seimiya-shigeki/",
  "api_url": "/api/3153/ceo/seimiya-shigeki.json",
  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/3153/executives/ceo/seimiya-shigeki/",
  "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": "seimiya-shigeki",
    "name": "清宮茂樹",
    "kana": "せいみや　しげき",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "当社",
        "from": "1993-04",
        "to": null,
        "roles": [
          {
            "date": "1993-04",
            "role": "入社"
          }
        ]
      },
      {
        "company": "八洲環境エンジニアリング㈱",
        "from": "2018-09",
        "to": null,
        "roles": [
          {
            "date": "2018-09",
            "role": "取締役を兼任"
          }
        ]
      },
      {
        "company": "",
        "from": "2019-04",
        "to": null,
        "roles": [
          {
            "date": "2019-04",
            "role": "交通システム本部長"
          },
          {
            "date": "2020-04",
            "role": "執行役員 交通システム本部長"
          },
          {
            "date": "2022-04",
            "role": "上席執行役員 事業統括本部長"
          },
          {
            "date": "2023-04",
            "role": "社長 兼 ＣＯＯ",
            "is_ceo_appointed": true
          },
          {
            "date": "2023-06",
            "role": "代表取締役社長 兼 ＣＯＯ"
          },
          {
            "date": "2024-12",
            "role": "代表取締役社長 兼 グループＣＯＯ(現任)"
          }
        ]
      }
    ],
    "sections": {
      "tenure_summary": null,
      "management_policy": null,
      "initiatives": null,
      "evaluation": null,
      "notable": null
    },
    "html_url": "https://the-shashi.com/tse/3153/executives/ceo/seimiya-shigeki/",
    "term_start": "2023-04",
    "term_end": null,
    "api_url": "https://the-shashi.com/api/3153/ceo/seimiya-shigeki.json",
    "list_api_url": "https://the-shashi.com/api/3153/ceo.json",
    "predecessor": {
      "slug": "ota-akio",
      "name": "太田明夫",
      "api_url": "https://the-shashi.com/api/3153/ceo/ota-akio.json"
    },
    "successor": null
  }
}