![Grant Dempsey](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>)
Grant Dempsey
Director/Board Member at
SIMS LIMITED
Profile
Grant A. Dempsey is an Independent Non-Executive Director at The a2 Milk Co. Ltd. since 2025 and at Sims Ltd. since 2024.
Former roles include Independent Non-Executive Director at Mission Australia from 2010 to 2019, Independent Non-Executive Director at Megaport Ltd. from 2025 to 2026, Chief Financial Officer at Alumina Pty Ltd. from 2019 to 2022, Chief Financial Officer at TPG Telecom Ltd. from 2022 to 2023, and Head-Investment Banking at JPMorgan Securities Australia Ltd. from 2007 to 2017.
Education includes an undergraduate degree from the University of Melbourne.
Grant Dempsey active positions
| Companies | Position | Start |
|---|---|---|
| SIMS LIMITED | Director/Board Member | 22/04/2024 |
| THE A2 MILK COMPANY LIMITED | Director/Board Member | 01/09/2025 |
Former positions of Grant Dempsey
| Companies | Position | End |
|---|---|---|
| MEGAPORT LIMITED | Director/Board Member | 29/05/2026 |
| TPG TELECOM LIMITED | Director of Finance/CFO | 13/11/2023 |
| ALUMINA | Director of Finance/CFO | 31/01/2022 |
Mission Australia
 Mission Australia Services to the Health IndustryHealth Services Provides family, community, employment, housing and early learning services | Director/Board Member | 01/01/2019 |
JPMorgan Securities Australia Ltd.
 JPMorgan Securities Australia Ltd. Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | 01/02/2017 |
Training of Grant Dempsey
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
38
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Alumina Ltd.
 Alumina Ltd. AluminumNon-Energy Minerals Operates as a holding company whose subsidiaries interest in mining, refining and smelting aluminum | Non-Energy Minerals |
The a2 Milk Co. Ltd.
 The a2 Milk Co. Ltd. Food: Meat/Fish/DairyConsumer Non-Durables Owns and commercializes a2 brand milk and related products | Consumer Non-Durables |
Sims Ltd.
 Sims Ltd. SteelNon-Energy Minerals Provides metals and electronics recycling solutions | Non-Energy Minerals |
University of Melbourne
 University of Melbourne Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
JPMorgan Securities Australia Ltd.
JPMorgan Securities Australia Ltd. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Mission Australia
Mission Australia Services to the Health IndustryHealth Services Provides family, community, employment, housing and early learning services | Health Services |
Megaport Ltd.
 Megaport Ltd. Data Processing ServicesTechnology Services Provides Network-as-a Service services | Technology Services |
TPG Telecom Ltd.
 TPG Telecom Ltd. Wireless TelecommunicationsCommunications Provides telecommunications services | Communications |
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