Hamish Tyrwhitt
Net worth: 867 434 $ as of 31/05/2026
Net worth: 867 434 $ as of 31/05/2026
Hamish Gordon Tyrwhitt currently works at Forum Mondial de L'Economie, as Governor-Infrastructure & Urbanisation Group, The Institution of Engineers Australia, as Member, and Hong Kong Institution of Engineers, as Member.
Mr. Tyrwhitt also formerly worked at Depa PLC, as Group Chief Executive Officer & Executive Director from 2016 to 2019, Asia Resource Minerals Ltd., as Chief Executive Officer & Non-Executive Director in 2015, CIMIC Group Ltd., as CEO, Non-Independent Executive Director & MD from 2011 to 2014, Arabtec Holding PJSC, as Group Chief Executive Officer from 2016 to 2019, Macmahon Holdings Ltd., as Independent Non-Executive Chairman from 2023 to 2025, Design Studio Group Ltd., as Non-Executive Director from 2016 to 2019, CPB Contractors Pty Ltd., as Managing Director from 2007 to 2013, PT Berau Coal Energy, as President Director-Designate in 2015, Jordan Wood Industries, as Non-Independent Non-Executive Director, Leighton Contractors (Asia) Ltd., as Managing Director in 2011, Leighton Asia Ltd., as Managing Director from 2007 to 2012, Leighton Contractors (Malaysia) Sdn.
Bhd., as Director & General Manager, Leighton Welspun Contractors Pvt Ltd., as Managing Director, PT Berau Coal, as President Director-Designate, Habtoor Leighton Group, as Director, The Leighton Group, Inc., as Project Manager, and John Holland Construction Pty Ltd., as Principal.
Mr. Tyrwhitt received his undergraduate degree from The University of Western Australia.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 24/10/2025 | 11,99,605 ( 0.06% ) | 867 434 $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
The Institution of Engineers Australia
The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members | Corporate Officer/Principal | - |
Hong Kong Institution of Engineers
Hong Kong Institution of Engineers Miscellaneous Commercial ServicesCommercial Services Operates as a professional membership organization | Corporate Officer/Principal | - |
Forum Mondial de L'Economie
Forum Mondial de L'Economie Miscellaneous Commercial ServicesCommercial Services Operates as political, business and cultural organizations | Corporate Officer/Principal | - |
| Companies | Position | End |
|---|---|---|
| MACMAHON HOLDINGS LIMITED | Chairman | 24/10/2025 |
| ARABTEC HOLDING | Chief Executive Officer | 15/05/2019 |
| DESIGN STUDIO GROUP LTD | Director/Board Member | 08/05/2019 |
| ASIA RESOURCE MINERALS PLC | Chief Executive Officer | 01/07/2015 |
| BERAU COAL ENERGY TBK PT | Chief Executive Officer | 30/04/2015 |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 21 |
|---|---|
Design Studio Group Ltd.
Design Studio Group Ltd. Home FurnishingsConsumer Durables Manufactures, supplies and installs paneling products, and provision of interior fitting-out services | Consumer Durables |
Depa PLC
Depa PLC Engineering & ConstructionIndustrial Services Engages in the provision of interior design services | Industrial Services |
Asia Resource Minerals Ltd.
Asia Resource Minerals Ltd. CoalEnergy Minerals Explores and mines for coal | Energy Minerals |
CIMIC Group Ltd.
CIMIC Group Ltd. Engineering & ConstructionIndustrial Services Provides engineering, construction and mining services | Industrial Services |
Macmahon Holdings Ltd.
Macmahon Holdings Ltd. CoalEnergy Minerals Provides mining, civil construction and engineering services | Energy Minerals |
CPB Contractors Pty Ltd.
CPB Contractors Pty Ltd. HomebuildingConsumer Durables Provides construction, civil engineering and management services | Consumer Durables |
PT Berau Coal Energy
PT Berau Coal Energy CoalEnergy Minerals Provides coal mining services | Energy Minerals |
The Leighton Group, Inc.
The Leighton Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides geo-technical and environmental services | Commercial Services |
The University of Western Australia
The University of Western Australia Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Arabtec Holding Co. PJSC
Arabtec Holding Co. PJSC Engineering & ConstructionIndustrial Services Provides construction services | Industrial Services |
Forum Mondial de L'Economie
Forum Mondial de L'Economie Miscellaneous Commercial ServicesCommercial Services Operates as political, business and cultural organizations | Commercial Services |
The Institution of Engineers Australia
The Institution of Engineers Australia Miscellaneous Commercial ServicesCommercial Services Operates as a national forum for the advancement of engineering and professional development of members | Commercial Services |
Jordan Wood Industries
Jordan Wood Industries Home FurnishingsConsumer Durables Manufactures & sells wooden furniture | Consumer Durables |
Hong Kong Institution of Engineers
Hong Kong Institution of Engineers Miscellaneous Commercial ServicesCommercial Services Operates as a professional membership organization | Commercial Services |
Leighton Contractors (Asia) Ltd.
Leighton Contractors (Asia) Ltd. Engineering & ConstructionIndustrial Services Provides tunnel, rail and road construction services | Industrial Services |
Leighton Asia Ltd.
Leighton Asia Ltd. HomebuildingConsumer Durables Operates as construction, civil engineering, offshore oil and gas contractor | Consumer Durables |
Leighton Contractors (Malaysia) Sdn. Bhd.
Leighton Contractors (Malaysia) Sdn. Bhd. Engineering & ConstructionIndustrial Services Provides civil engineering construction services | Industrial Services |
Leighton Welspun Contractors Pvt Ltd.
Leighton Welspun Contractors Pvt Ltd. Engineering & ConstructionIndustrial Services Provides industrial construction services | Industrial Services |
John Holland Construction Pty Ltd. | |
PT Berau Coal
PT Berau Coal CoalEnergy Minerals Provides mining and extraction of coal | Energy Minerals |
Habtoor Leighton Group
Habtoor Leighton Group Engineering & ConstructionIndustrial Services Provides engineering and infrastructure construction services | Industrial Services |
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