Chairman
Gerard Burggraf
Founder and Chairman of IMA INVEST PARIS since 2020. French entrepreneur with over 30 years of experience in industrial investment and mining project development in sub-Saharan Africa.
Our Team
Experts at every link in the chain
A Franco-Belgian-Angolan leadership team with over 30 years of experience in African and European diamond markets.
Our Team
Manager, DENGIN Angola
Denis Fornes
Manager of the Angolan subsidiary DENGIN. Over 15 years of presence in Angola, received in audience by the Secretary of State for Mines. Thorough command of African and European commercial networks.
Mining Expert, GIA
Alain Eggermont
Alluvial mining expert, operating within DENGIN on the Kwanza River. GIA (Gemological Institute of America) graduate, the world reference in gemology.
Institutional Relations
Hélder de Barros
Former United Nations official. In charge of institutional, diplomatic and government relations in Angola. Direct point of contact with the mining authorities.
Diamond Dealer, Antwerp
Robert Burggraf
Diamond dealer active for over 30 years within the Antwerp Diamond Club, the world's largest rough diamond trading hub. Guarantor of the optimal marketing of the production.
01 / Field visit · Angola
IMA INVEST's leadership in the field in Angola
With over 30 years of experience in the African diamond industry, IMA INVEST operates in partnership with Naji Abi Moslh of ANGODIALA, a key player in the Angolan mining sector. A continuous on-site presence ensures operational rigor and extraction quality.
02 / Antwerp · A.D.C. Building
Robert Burggraf at the heart of the global diamond market
A member of the Antwerp Diamond Club for over 30 years, Robert Burggraf is based in the world's largest rough diamond trading hub. This presence in Antwerp gives IMA INVEST privileged access to institutional buyers and the optimal marketing of every stone extracted and cut.
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