Andreas Zeller is Managing Partner of Open Capital Advisors (OCA), an impact advisory firm focused on advancing Sub-Saharan African economies. OCA advises businesses, investors, development organizations, and governments to achieve growth goals, deploy capital, and strengthen ecosystems. Since 2010, OCA has advised on 500+ engagements across East, Southern, and West Africa. Prior to OCA, Andreas led infrastructure investments with the International Finance Corporation and, prior, was an investment banker with Citigroup in London and Credit Suisse in New York.