Change in Principal Officer
| JENTAYU SUSTAINABLES BERHAD |
| Date of change | 03 Aug 2026 |
| Name | MR BOON JOON SIANG |
| Age | 55 |
| Gender | Male |
| Nationality | Malaysia |
| Type of change | Others |
| Designation | Chief Financial Officer |
| Description | Promotion from Head of Corporate Finance to Chief Financial Officer |
Qualifications
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| Working experience and occupation | Mr Boon Joon Siang ("Mr Boon") started his career as an auditor with Mok and Poon (now known as Crowe), an audit firm in year 1995. He has served on various external and internal audits, due diligence review, share valuation, risk management and corporate finance engagements in various public listed and private limited companies in Malaysia and overseas.
Subsequently, he joined a local conglomerate, Maju Holdings Sdn Bhd in year 2000 and was involved in the negotiation of the MEX highway concession with the Government of Malaysia and raising sukuk programme to fund the construction of the highway. He left the Maju Holdings Sdn Bhd in March 2018. His last position was Head of Group Finance where he responsible for the corporate, treasury and finance functions of the group.
Mr. Boon joined Telekosang Hydro One Sdn Bhd / Telekosang Hydro Two Sdn Bhd ("Telekosang") in year 2019 as Finance Director where he is responsible for the corporate, treasury and finance functions of Telekosang. Mr. Boon departed from Telekosang in November 2025.
Mr Boon joined Jentayu Sustainables Berhad as Head of Corporate Finance since September 2025, his job scope is handling and supporting the funding of the proposed 162 MW hydro power plant project in Sabah.
He is the founder and director of Crane Advisory Sdn Bhd, a boutique financial advisory firm providing financial advisory services for fund raising exercise and corporate advisory services.
He is also a shareholder and director of Cas Bina Sdn Bhd (G7 construction company), Avantex Project Sdn Bhd (project management company) and Avantex Properties group of companies (property development).
He is currently an Independent Non Executive Chairman of UMS-Neiken Group Berhad. He was appointed to the Board on 30 April 2024. |
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| Family relationship with any director and/or major shareholder of the listed issuer | Nil |
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| Any conflict of interests that he/she has with the listed issuer | Nil |
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| Details of any interest in the securities of the listed issuer or its subsidiaries | 5,000 Ordinary Shares |
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| Remarks : |
The Board of Directors had on 3 August 2026, approved the promotion of Mr. Boon Joon Siang to Chief Financial Officer of the Group with effect from 3 August 2026. |
Announcement Info
| Company Name | JENTAYU SUSTAINABLES BERHAD |
| Stock Name | JSB |
| Date Announced | 03 Aug 2026 |
| Category | Change in Principal Officer |
| Reference Number | C04-03082026-00003 |