![Stewart Hamilton](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Stewart Hamilton
Chief Executive Officer at
MERCURY NZ LIMITED
Net worth: 31 711 $ as of 31/05/2026
Profile
Stewart Hamilton is currently the Chief Executive Officer at Mercury NZ Ltd. and a Director at Rotokawa Generation Ltd. Previously, he served as the Chief Executive Officer & General Manager at New Zealand Aluminium Smelters Ltd. from 2018 to 2021.
Mr. Hamilton holds an MBA from Melbourne Business School and an undergraduate degree from Auckland University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 30/04/2026 | 7,621 ( 0% ) | 31 711 $ | 31/05/2026 |
Stewart Hamilton active positions
| Companies | Position | Start |
|---|---|---|
| MERCURY NZ LIMITED | Chief Executive Officer | 31/08/2024 |
Rotokawa Generation Ltd.
 Rotokawa Generation Ltd. Electric UtilitiesUtilities Owns the generation plant | Director/Board Member | - |
Former positions of Stewart Hamilton
| Companies | Position | End |
|---|---|---|
New Zealand Aluminium Smelters Ltd.
 New Zealand Aluminium Smelters Ltd. AluminumNon-Energy Minerals Manufactures aluminum smelting | Chief Executive Officer | 01/01/2021 |
Training of Stewart Hamilton
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
15
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Mercury NZ Ltd.
 Mercury NZ Ltd. Electric UtilitiesUtilities Generates hydro, geothermal & wind electricity and distributes electricity, gas, broadband and mobile telephone services | Utilities |
Melbourne Business School
 Melbourne Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Auckland University
 Auckland University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
New Zealand Aluminium Smelters Ltd.
New Zealand Aluminium Smelters Ltd. AluminumNon-Energy Minerals Manufactures aluminum smelting | Non-Energy Minerals |
Rotokawa Generation Ltd.
Rotokawa Generation Ltd. Electric UtilitiesUtilities Owns the generation plant | Utilities |
- Stock Market
- Insiders
- Stewart Hamilton
