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Stephen Mikkelsen
Chief Executive Officer at
SIMS LIMITED
Net worth: 4 M $ as of 30/10/2026
Profile
Mr. Stephen Mikkelsen is an Independent Non-Executive Director at Origin Energy Ltd. and a Group Chief Executive Officer, MD & Director at Sims Ltd. He is on the Board of Directors at Origin Energy Ltd., Sims Ltd. and Chartered Accountants Australia & New Zealand.
Mr. Mikkelsen was previously employed as an Executive General Manager-Energy Market Operations by AGL Energy Ltd., a CFO & Executive Officer-Business Development by Snowy Hydro Ltd., and a Chief Financial Officer by Contact Energy Ltd. He received his undergraduate degree from Massey University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SIMS LTD. 0.13% | 22/09/2026 | 248,933 ( 0.13% ) | 4 M $ | 30/10/2026 |
| 29/06/2026 | 10,000 ( 0% ) | 86 038 $ | 30/10/2026 |
Stephen Mikkelsen active positions
| Companies | Position | Start |
|---|---|---|
| SIMS LIMITED | Chief Executive Officer | 30/09/2023 |
| ORIGIN ENERGY LIMITED | Director/Board Member | 17/08/2025 |
Chartered Accountants Australia & New Zealand
 Chartered Accountants Australia & New Zealand Miscellaneous Commercial ServicesCommercial Services Operates as an association for charted accountants and provides accounting services | Director/Board Member | - |
Former positions of Stephen Mikkelsen
| Companies | Position | End |
|---|---|---|
| AGL ENERGY LIMITED | Director of Finance/CFO | 31/10/2012 |
Snowy Hydro Ltd.
 Snowy Hydro Ltd. Electric UtilitiesUtilities Provides hydro electric power services | Director of Finance/CFO | 31/07/2006 |
| CONTACT ENERGY LIMITED | Director of Finance/CFO | 31/12/1999 |
Education of Stephen Mikkelsen
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
65
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Origin Energy Ltd.
 Origin Energy Ltd. Oil & Gas ProductionEnergy Minerals Provides energy exploration, production, power generation and retailing services | Energy Minerals |
Contact Energy Ltd.
 Contact Energy Ltd. Electric UtilitiesUtilities Produces and distributes electricity from hydro & geothermal stations, and distributes natural gas | Utilities |
Sims Ltd.
 Sims Ltd. SteelNon-Energy Minerals Provides metals and electronics recycling solutions | Non-Energy Minerals |
Snowy Hydro Ltd.
Snowy Hydro Ltd. Electric UtilitiesUtilities Provides hydro electric power services | Utilities |
Massey University
 Massey University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
AGL Energy Ltd.
 AGL Energy Ltd. Electric UtilitiesUtilities Generates electricity & gas and provides investment services | Utilities |
Chartered Accountants Australia & New Zealand
Chartered Accountants Australia & New Zealand Miscellaneous Commercial ServicesCommercial Services Operates as an association for charted accountants and provides accounting services | Commercial Services |
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