Wednesday, February 21, 2018

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Our team

Organisation chart of SEM

Chief Executive Officer

Fabrice Nze-Bekale:Appointed Chief Executive Officer of SEM in August 2011, Fabrice Nze-Bekale has built an international career in corporate finance while working with large banking and telecom groups.

In charge of the Corporate & Investment Banking operations at Citibank in Gabon, he joined Celtel International as Group Corporate Finance Manager. He dealt with the financing of the group’s capital structure within its various entities in Sub-Saharan Africa. He organized the recapitalization of the capital structure of a dozen of subsidiaries up to US$1.5 billion, and notably the listing of Celtel Gambia on the Lusaka Stock Exchange.

Fabrice then joined Standard Bank Plc’s Global Telecoms & Media department in London, where he advised the industry’s major players such as MTN Group, Orascom Telecom Holdings and Portugal Telecom with regard to their activities in Africa.

Fabrice has a Master in Finance & Financial Engineering from Paris-Dauphine University (France) and an MBA from the London Business School (United Kingdom).

Chief Operating Officer

Tafsir Camara: Specializing in Business Management and Finance, Tafsir Camara graduated in Economics & International Finance from Paris-Sorbonne University (France). He spent most of his career with Shell, the multinational oil company.


Upon completion of his studies, Tafsir joined the office of the international firm, Ernst & Young, in Conakry (Guinea) as an auditor. In 1998, he was recruited by Shell as an auditor in the finance department before being promoted Assistant to the West and Central Africa Regional Finance Manager at their office in Accra (Ghana). His responsibilities included management audit and budget planning. In 2001, after acting as Finance Manager for Shell’s subsidiary in Togo, he managed the financial part of the entry of Shell into the distribution market of the Congolese oil industry (Republic of Congo). After holding positions as Finance Manager of Shell’s subsidiaries in the Republic of Congo and in Gabon, in 2004, he was appointed Finance Manager and member of the board of directors of Shell’s subsidiaries in Guinea.

In 2010, he joined BHP Billiton, the Australian multinational mining company, as Finance and Commercial Manager of the group’s manganese subsidiary in Gabon.

Tafsir has been SEM’s Chief Administrative Officer since 2013.

Senior Business Development & Strategy Manager

Bareja Youmssi: Dr. Bareja Youmssi has held the position of Senior Business Development & Strategy Manager at SEM since October 2013.

Specializing in the mining sector, Bareja began his career in the extractive industry as Project Manager of a gold and silver mine in Siberia, in 2005, when he joined Bema Gold Corporation in Russia, the country where he did his studies. In 2006, he came back to Africa and joined Renova Investments, a Russian mining company, as Exploration Manager for the operations based in Gabon and in the Democratic Republic of Congo. In 2008, he joined the Brazilian multinational mining company, Vale to successively hold various positions of responsibility: South Africa Business Development Manager where he notably helped Vale tap the Ethiopian market; Head of the representative office in Kinshasa and Business Development Manager in the Democratic Republic of Congo. In 2011, he was appointed Mining Licenses Business Development Manager for Africa, Europe, Middle East and Southern Asia. In 2012, he became the Senior Mining Licenses Business Development Manager for all the operations of Vale in Africa.

Bareja has a PhD in geology specializing in the African Atlantic Coast sedimentary basins, earned at the University of Moscow. He completed his curriculum in 2010 with a course on the technical and financial evaluation of mineral projects at Wits University in Johannesburg.


Geology & Exploration Manager

Boumi Mafana: Trained as a geologist, Boumi Mafana graduated from the Ecole des Mines in Nancy (France) as an engineer – expert in the mining company’s techniques, economy and management. In 2011, he completed his curriculum with a course on exploratory and mining drilling advanced methods and techniques at the Geological Society of South Africa in Rustenburg and a course on the technical and financial evaluation of mineral projects at Wits University in Johannesburg.

Boumi began his career in Gabon as engineering geologist in the exploration department of Comilog (subsidiary of Eramet specializing in the exploitation of manganese). In 2005, he joined the multinational mining company, Vale, where he was in charge of several exploration projects in the Democratic Republic of Congo (coal, copper and iron) and in Gabon (iron). In 2008, he was appointed Exploration Project Manager in the Central African Copper Belt. While managing a budget of USD2,800,000, he discovered a copper deposit with 5 million tons of inferred resources.

Boumi has managed SEM’s geology & exploration department since 2013. 

Operations Manager of Artisanal Gold Mining

Wesbert Moussounda: Specializing in Business Accounting and Finance, Wesbert Moussounda Ngoumba started his career in 2008 in the mining industry within the finance department of the office in Bamako (Mali) of the Canadian group, Avion Gold Corporation. In 2010, he joined another Canadian group operating in Mali, IAM Gold Corporation. He was initially Project Manager of Exploratory operations before he became Deputy Finance Manager, in charge of management audit. He conducted audit engagements within the group, in Senegal and in Canada. In 2012, he was appointed Payroll Manager for the subsidiaries of the group in Mali and in Senegal.

In January 2013, he joined the Comptoir Gabonais de Collecte de l’Or, SEM’s wholly-owned subsidiary, as operations manager. 

Wesbert holds a Master degree in accounting and financial techniques from Bamako’s Management University Institute (Mali) and is currently attending an MBA course.