![Graham du Preez](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>)
Graham du Preez
Director of Finance/CFO at
ISOENERGY LTD.
Net worth: 53 705 $ as of 2026-07-30
Profile
Graham du Preez is currently Chief Financial Officer at IsoEnergy Ltd. since 2022.
Formerly, Chief Financial Officer at Alloycorp Mining, Inc. from 2014 to 2020.
Chief Financial Officer & Executive Vice President at Uranium One, Inc. from 2010 to 2013.
Chief Financial Officer at Buffalo Coal Corp.
from 2019 to 2020 and Chief Financial Officer & Secretary at Buffalo Coal Corp.
from 2016 to 2018.
Chief Financial Officer & Executive Vice President at Harte Gold Corp.
from 2020 to 2022.
Educated at the University of Johannesburg with an undergraduate degree.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ISOENERGY LTD. 0.01% | 2026-06-10 | 5,781 ( 0.01% ) | 53 705 $ | 2026-07-30 |
Graham du Preez active positions
| Companies | Position | Start |
|---|---|---|
| ISOENERGY LTD. | Director of Finance/CFO | 2022-03-02 |
Former positions of Graham du Preez
| Companies | Position | End |
|---|---|---|
| HARTE GOLD CORP. | Director of Finance/CFO | 2022-01-31 |
| BUFFALO COAL CORP. | Director of Finance/CFO | 2020-02-27 |
| ALLOYCORP MINING INC | Director of Finance/CFO | 2019-12-31 |
| BUFFALO COAL CORP. | Director of Finance/CFO | 2018-10-29 |
| URANIUM ONE, INC. | Director of Finance/CFO | 2013-04-07 |
Training of Graham du Preez
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
57
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Harte Gold Corp.
 Harte Gold Corp. Precious MetalsNon-Energy Minerals Produces and explores gold | Non-Energy Minerals |
Alloycorp Mining, Inc.
 Alloycorp Mining, Inc. Other Metals/MineralsNon-Energy Minerals Engages in mining of molybdenum | Non-Energy Minerals |
Uranium One, Inc.
 Uranium One, Inc. Other Metals/MineralsNon-Energy Minerals Explores and develops uranium | Non-Energy Minerals |
University of Johannesburg
 University of Johannesburg Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Buffalo Coal Corp.
 Buffalo Coal Corp. CoalEnergy Minerals Provides coal mining services | Energy Minerals |
IsoEnergy Ltd.
 IsoEnergy Ltd. Other Metals/MineralsNon-Energy Minerals Provides uranium exploration services | Non-Energy Minerals |
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