Thomas Reddicliffe

Director/Board Member at GIBB RIVER DIAMONDS LIMITED

75 year

Non-Energy Minerals

Consumer Services

Profile

Thomas Henry Reddicliffe is currently Non-Executive Director at Gibb River Diamonds Ltd. since 2020, Non-Executive Director at West Coast Silver Ltd. since 2025, Executive Director at Sorrento Resources Pty Ltd. since 2019, Technical Director at Kalyan Resources Pty Ltd. since 2013, and Non-Executive Director & Technical Consultant at Greentech Metals Ltd. since 2026.
Former roles include Chief Executive Officer at Merlin Diamonds Ltd. from 2007 to 2011, Chief Executive Officer & Director at Mallee Resources Ltd. in 2011, Executive Director & Technical Director at CGN Resources Ltd., and Exploration Manager at Ashton Mining Ltd. from 1991 to 2000.
Education includes an undergraduate degree from The University of Queensland in 1974 and graduate studies at The University of Western Australia.

Thomas Reddicliffe active positions

Companies	Position	Start
GIBB RIVER DIAMONDS LIMITED	Director/Board Member	2020-03-23
WEST COAST SILVER LIMITED	Director/Board Member	2025-06-09
GREENTECH METALS LIMITED	Director/Board Member	2021-03-23
Sorrento Resources Pty Ltd. Sorrento Resources Pty Ltd. Precious MetalsNon-Energy Minerals Engages in exploration of mineral and provides investment services	Director/Board Member	2018-12-31
Kalyan Resources Pty Ltd.	Chief Tech/Sci/R&D Officer	2012-12-31

All active positions of Thomas Reddicliffe

Former positions of Thomas Reddicliffe

Companies	Position	End
MALLEE RESOURCES	Chief Executive Officer	2011-07-07
MERLIN DIAMONDS LIMITED	Chief Executive Officer	2011-07-07
Ashton Mining Ltd. Ashton Mining Ltd. Construction MaterialsNon-Energy Minerals Engages in the mining and sale of diamonds	Corporate Officer/Principal	1999-12-31
GEOCRYSTAL LTD	Chief Tech/Sci/R&D Officer	-

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Training of Thomas Reddicliffe

Experiences
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Linked companies

Private companies	11
Merlin Diamonds Ltd. Merlin Diamonds Ltd. Other Metals/MineralsNon-Energy Minerals Explores and mines for gold and diamonds	Non-Energy Minerals
Ashton Mining Ltd. Ashton Mining Ltd. Construction MaterialsNon-Energy Minerals Engages in the mining and sale of diamonds	Non-Energy Minerals
The University of Queensland The University of Queensland Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
The University of Western Australia The University of Western Australia Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Mallee Resources Ltd. Mallee Resources Ltd. Other Metals/MineralsNon-Energy Minerals Operates nickel mining projects	Non-Energy Minerals
Gibb River Diamonds Ltd. Gibb River Diamonds Ltd. Other Metals/MineralsNon-Energy Minerals Explores and mines phosphate, gold and iron	Non-Energy Minerals
CGN Resources Ltd. CGN Resources Ltd. Other Metals/MineralsNon-Energy Minerals Operates as an exploration company	Non-Energy Minerals
Errawarra Resources Ltd. Errawarra Resources Ltd. Precious MetalsNon-Energy Minerals Provides gold, silver and nickel exploration & mining services	Non-Energy Minerals
Sorrento Resources Pty Ltd. Sorrento Resources Pty Ltd. Precious MetalsNon-Energy Minerals Engages in exploration of mineral and provides investment services	Non-Energy Minerals
Kalyan Resources Pty Ltd.
Greentech Metals Ltd. Greentech Metals Ltd. Other Metals/MineralsNon-Energy Minerals Provides metals and minerals exploration services	Non-Energy Minerals