De Beers Group


The world's leading diamond company, with unrivalled expertise in the exploration, mining and marketing of rough diamonds driving it forward since 1888.





Org chart

Al Cook

Riaan Burger
CEO, Namdeb
Willy Mertens
CEO, Debmarine Namibia
Siobhán Duffy
CEO, Element Six
Thembinkosi Madondo
CEO, Managed Operations
Sandrine Conseiller
CEO, De Beers Brands
Tom Johnson
General Counsel
Kevin Smith
EVP, Corporate Affairs & Strategy
Alessandra Berridge
Executive Vice-President, Commercial and Partnerships
Paul Rowley
Executive Vice-President, Diamond Trading
Ryan Perry
Executive Vice President
Andrew Maatla Motsomi
Managing Director, Debswana
Burger Greeff
Executive Head, Technical
Malebogo Mpugwa
Executive Head – Human Resources
Alexandra Zimmer
Principal Transformation & Sustainability
Jamie Clark
Head Of Global Operations, De Beers Institute Of Diamonds
Benson Wu
Business Operations Director APAC
Olivia Cook
Logistics Manager
James Heath
COO De Beers Jewellers | De Beers Forevermark