Richard Duffy

Chief Executive Officer at

Williamson Diamonds Ltd.

Net worth: 172 356 $ as of 2026-05-30

63 year

59 connections

Non-Energy Minerals

Consumer Services

Commercial Services

Profile

Mr. Richard N.
Duffy is a Chief Executive Officer at Williamson Diamonds Ltd. He is on the Board of Directors at Aren Energy Pty Ltd., Natural Diamond Council Ltd., Petra Diamonds US$ Treasury Plc and St. Mary's Foundation.
Mr. Duffy was previously employed as a Chief Executive Officer & Executive Director by Petra Diamonds Ltd. and a Chief Financial Officer & Executive Director by AngloGold Ashanti (Pty) Ltd. He received his undergraduate degree from the University of the Witwatersrand and an MBA from Henley Management College.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
PETRA DIAMONDS LIMITED 0.36%	2025-06-29	1,195,010 ( 0.36% )	172 356 $	2026-05-30

Richard Duffy active positions

Companies	Position	Start
Natural Diamond Council Ltd. Natural Diamond Council Ltd. Miscellaneous Commercial ServicesCommercial Services Provides professional, scientific and technical services	Director/Board Member	-
Petra Diamonds US$ Treasury Plc Petra Diamonds US$ Treasury Plc Other Metals/MineralsNon-Energy Minerals Provides mining services	Director/Board Member	2020-11-29
Williamson Diamonds Ltd. Williamson Diamonds Ltd. Other Metals/MineralsNon-Energy Minerals Operates as a diamond mine	Chief Executive Officer	-
Aren Energy Pty Ltd.	Director/Board Member	-
St. Mary's Foundation	Director/Board Member	-

All active positions of Richard Duffy

Former positions of Richard Duffy

Companies	Position	End
PETRA DIAMONDS LIMITED	Chief Executive Officer	2025-02-16
ANGLOGOLD ASHANTI LIMITED	Director of Finance/CFO	2014-09-30

See the detail of Richard Duffy's experience

Training of Richard Duffy

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	9
AngloGold Ashanti (Pty) Ltd. AngloGold Ashanti (Pty) Ltd. Precious MetalsNon-Energy Minerals Operates as a gold and silver mining and sulphuric acid production company	Non-Energy Minerals
Petra Diamonds Ltd. Petra Diamonds Ltd. Other Metals/MineralsNon-Energy Minerals Engages in diamond mining	Non-Energy Minerals
University of the Witwatersrand University of the Witwatersrand Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Henley Management College Henley Management College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Williamson Diamonds Ltd. Williamson Diamonds Ltd. Other Metals/MineralsNon-Energy Minerals Operates as a diamond mine	Non-Energy Minerals
St. Mary's Foundation
Petra Diamonds US$ Treasury Plc Petra Diamonds US$ Treasury Plc Other Metals/MineralsNon-Energy Minerals Provides mining services	Non-Energy Minerals
Natural Diamond Council Ltd. Natural Diamond Council Ltd. Miscellaneous Commercial ServicesCommercial Services Provides professional, scientific and technical services	Commercial Services
Aren Energy Pty Ltd.