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Michael Sheridan
Director/Board Member at
Horizon Oil International Ltd.
Net worth: 4 M $ as of 31/07/2026
Profile
Michael Francis Sheridan's current job is as a Director at Horizon Oil International Ltd. Formerly, Mr. Sheridan served as the Chief Executive Officer, Director & MD at Horizon Oil Ltd. from 2018 to 2020.
He also worked as the Chief Financial Officer & Deputy CEO at VHM Ltd. from 2021 to 2024.
Prior to that, he held the position of Commercial Manager at Hutchison Telecommunications (Australia) Ltd. from 2001 to 2003, Ampolex Ltd. from 1995 to 1997, and RGC Ltd. from 1998 to 1999.
In terms of education, Mr. Sheridan obtained an undergraduate degree from The University of Sydney.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
HORIZON OIL LIMITED 1.32% | 19/08/2025 | 2,34,33,289 ( 1.32% ) | 4 M $ | 31/07/2026 |
Michael Sheridan active positions
| Companies | Position | Start |
|---|---|---|
Horizon Oil International Ltd.
 Horizon Oil International Ltd. Oil & Gas ProductionEnergy Minerals Provides petroleum exploration and production services | Director/Board Member | - |
Former positions of Michael Sheridan
| Companies | Position | End |
|---|---|---|
| VHM LIMITED | Director of Finance/CFO | 31/07/2024 |
| HORIZON OIL LIMITED | Chief Executive Officer | 12/02/2020 |
| HUT TEL(AUS)LTD | Corporate Officer/Principal | 01/01/2003 |
RGC Ltd. /AU/
 RGC Ltd. /AU/ Construction MaterialsNon-Energy Minerals Produces mineral sands, gold, base metals and coal | Corporate Officer/Principal | 01/01/1999 |
Ampolex Ltd.
 Ampolex Ltd. Oil & Gas ProductionEnergy Minerals Oil and gas exploration and production | Corporate Officer/Principal | 01/01/1997 |
Training of Michael Sheridan
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
36
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Hutchison Telecommunications (Australia) Ltd.
 Hutchison Telecommunications (Australia) Ltd. Wireless TelecommunicationsCommunications Provides wireless telecommunications services | Communications |
Horizon Oil Ltd.
 Horizon Oil Ltd. Integrated OilEnergy Minerals Explores, develops and produces oil and gas | Energy Minerals |
Ampolex Ltd.
Ampolex Ltd. Oil & Gas ProductionEnergy Minerals Oil and gas exploration and production | Energy Minerals |
The University of Sydney
 The University of Sydney Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
RGC Ltd. /AU/
RGC Ltd. /AU/ Construction MaterialsNon-Energy Minerals Produces mineral sands, gold, base metals and coal | Non-Energy Minerals |
Horizon Oil International Ltd.
Horizon Oil International Ltd. Oil & Gas ProductionEnergy Minerals Provides petroleum exploration and production services | Energy Minerals |
VHM Ltd.
 VHM Ltd. Other Metals/MineralsNon-Energy Minerals Provides rare earth minerals and mineral sands mining services | Non-Energy Minerals |
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