Complex sentence: In 1990 he was a part of the restructuring team for BIAO-Senegal, then becoming CEO of the re-modeled Compagnie Bancaire de l’Afrique Occidentale, where the bank initiated the first company leasing in Senegal and started the first investment fund in west Africa.
Split into simpler sentences: In 1990 he was a part of the restructuring team for BIAO-Senegal. He then took over as CEO of the Company Bank of West Africa, where the bank initiated the first company leasing in Senegal and started the first investment fund in west Africa.