Owner and chairman of MFK Group Ltd, an investment company with a diversified portfolio of investments which include but are not limited to; Gorilland Safaris Ltd and its subsidiary Limoz Rwanda which provide car rental and transportation/logistics services, Goritech which provides auto repair and maintenance services, CAFERWA Ltd which exports Rwandan Coffee, Garden Fresh which exports horticulture products, ANKO Properties a real estate investment and development company, MK Consult which provides business advisory, financial services and project management and MFK Investment that holds equity in a number of other companies involved in diverse economic sectors, ranging from Information Technology, Tourism, Education, Agro-processing, Gaming and Energy. He has, and currently serves on several Boards, including as Chairperson of the Rwanda Private Sector Federation (PSF), as well as the East African Business Council (EABC), and African Leadership University (Rwanda). Vice-Chairman of the Rwanda Fine Coffee Association and a Board member at the Kenya Commercial Bank (KCB) Rwanda Ltd. Faustin is also currently the Chairperson of the Kigali International Arbitration Centre (KIAC) and a Director at the East African Development Bank (EADB); and Country representative of Queen Elizabeth Diamond Jubilee Trust Rwanda (QEDJT), and a Member of the Advisory Committee at One Acre Fund.