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Anthony O’Sullivan
Corporate Officer/Principal at
TMC THE METALS COMPANY INC.
Net worth: 9 M $ as of 2026-06-29
Profile
Anthony O’Sullivan is Executive Director at Earth Fortune Ltd. He is Chief Development Officer at DeepGreen Metals ULC since 2017 and at TMC the metals co., Inc. since 2021.
Former roles include Chief Executive Officer at Sasak Minerals Pty Ltd. from 2017 to 2019, Non-Executive Director at PLC Resources Ltd. from 2020 to 2024, Chief Operating Officer at Nautilus Minerals, Inc. from 2005 to 2012, Principal & Owner at International Resource Management Corp.
in 2017, and Vice President-Exploration at Quantum Pacific Exploration SA from 2014 to 2017.
Education includes undergraduate and graduate degrees from The University of Western Australia.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-01 | 2,025,667 ( 0.47% ) | 9 M $ | 2026-06-29 |
Anthony O’Sullivan active positions
| Companies | Position | Start |
|---|---|---|
| TMC THE METALS COMPANY INC. | Corporate Officer/Principal | 2021-09-08 |
DeepGreen Metals ULC
 DeepGreen Metals ULC Other Metals/MineralsNon-Energy Minerals Produces clean metals from seafloor polymetallic nodules | Corporate Officer/Principal | 2017-07-24 |
Earth Fortune Ltd.
 Earth Fortune Ltd. Other Metals/MineralsNon-Energy Minerals Operates as a mining, exploration and development company seeking to mine and process base metal deposits | Director/Board Member | - |
Former positions of Anthony O’Sullivan
| Companies | Position | End |
|---|---|---|
| PLC RESOURCES LIMITED | Director/Board Member | 2024-01-24 |
Sasak Minerals Pty Ltd. | Chief Executive Officer | 2019-11-30 |
International Resource Management Corp.
 International Resource Management Corp. Financial ConglomeratesFinance Provides investment services for oil and gas industry | Corporate Officer/Principal | 2017-06-30 |
Quantum Pacific Exploration SA | Corporate Officer/Principal | 2016-12-31 |
| NAUTILUS MINERALS INC. | Chief Operating Officer | - |
Training of Anthony O’Sullivan
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
20
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
DeepGreen Metals ULC
DeepGreen Metals ULC Other Metals/MineralsNon-Energy Minerals Produces clean metals from seafloor polymetallic nodules | Non-Energy Minerals |
The University of Western Australia
 The University of Western Australia Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nautilus Minerals, Inc.
 Nautilus Minerals, Inc. Precious MetalsNon-Energy Minerals Engages in the exploration of ocean floor for copper, gold, silver and zinc deposits activities | Non-Energy Minerals |
International Resource Management Corp.
International Resource Management Corp. Financial ConglomeratesFinance Provides investment services for oil and gas industry | Finance |
Earth Fortune Ltd.
Earth Fortune Ltd. Other Metals/MineralsNon-Energy Minerals Operates as a mining, exploration and development company seeking to mine and process base metal deposits | Non-Energy Minerals |
Sasak Minerals Pty Ltd. | |
Premier1 Lithium Ltd.
 Premier1 Lithium Ltd. Other Metals/MineralsNon-Energy Minerals Engages in mineral exploration activities | Non-Energy Minerals |
TMC the metals co., Inc.
 TMC the metals co., Inc. Other Metals/MineralsNon-Energy Minerals Operates as a deep-sea minerals exploration company focused on the collection, processing and refining of polymetallic nodules | Non-Energy Minerals |
Quantum Pacific Exploration SA |
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