{
  "spec_version": "5",
  "endpoint": "ceo-person",
  "stock_code": "5074",
  "company_name": "テスホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/5074/executives/ceo/yamamoto-kazuki/",
  "api_url": "/api/5074/ceo/yamamoto-kazuki.json",
  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/5074/executives/ceo/yamamoto-kazuki/",
  "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": "yamamoto-kazuki",
    "name": "山本一樹",
    "kana": "やまもと　かずき",
    "hometown": null,
    "education": null,
    "prev_role": null,
    "career": [
      {
        "company": "テス・エンジニアリング株式会社",
        "from": "1993-04",
        "to": null,
        "roles": [
          {
            "date": "1993-04",
            "role": "入社"
          },
          {
            "date": "2009-07",
            "role": "取締役東京支店長兼東日本営業本部長"
          },
          {
            "date": "2010-04",
            "role": "取締役東京支店長兼営業本部長"
          }
        ]
      },
      {
        "company": "テス・テクノサービス株式会社（現当社）",
        "from": "2012-08",
        "to": null,
        "roles": [
          {
            "date": "2012-08",
            "role": "取締役"
          }
        ]
      },
      {
        "company": "エナジーアンドパートナーズ株式会社",
        "from": "2013-01",
        "to": null,
        "roles": [
          {
            "date": "2013-01",
            "role": "代表取締役"
          }
        ]
      },
      {
        "company": "テス・エンジニアリング株式会社",
        "from": "2014-07",
        "to": null,
        "roles": [
          {
            "date": "2014-07",
            "role": "取締役経営企画室長"
          },
          {
            "date": "2017-07",
            "role": "取締役企画本部長"
          }
        ]
      },
      {
        "company": "テスホールディングス",
        "from": "2018-04",
        "to": null,
        "roles": [
          {
            "date": "2018-04",
            "role": "専務取締役管理本部長"
          },
          {
            "date": "2022-09",
            "role": "代表取締役社長（現任）",
            "is_ceo_appointed": true
          }
        ]
      }
    ],
    "sections": {
      "tenure_summary": null,
      "management_policy": null,
      "initiatives": null,
      "evaluation": null,
      "notable": null
    },
    "html_url": "https://the-shashi.com/tse/5074/executives/ceo/yamamoto-kazuki/",
    "term_start": "2022-09",
    "term_end": null,
    "api_url": "https://the-shashi.com/api/5074/ceo/yamamoto-kazuki.json",
    "list_api_url": "https://the-shashi.com/api/5074/ceo.json",
    "predecessor": {
      "slug": "ishiwaki-hideo",
      "name": "石脇秀夫",
      "api_url": "https://the-shashi.com/api/5074/ceo/ishiwaki-hideo.json"
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    "successor": null
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}