Mark Castellino

Vice President, Public Sector Business Development
Opportunity International
Mark Castellino has over 18 years of experience in agricultural development and food security. He is currently the Vice President of Public Sector Business Development at Opportunity International, a US-based organization that develops financial solutions to unleash the power of entrepreneurship. Mark leads Opportunity’s US Government and public clients business line. Prior to joining Opportunity, Mark led the business development team at Fintrac, an agricultural development consulting firm that provides agricultural development services and technical assistance to the United States Agency for International Development (USAID) Bureau for Food Security and missions around the world. Mark also led business development efforts at the global non-profit ADRA International, winning funding from USAID and US Department of Agriculture for agricultural development, economic growth and emergency response activities across Africa, Asia, Latin America and the Caribbean. He also worked with ADRA in the UK, helping to build a strong funding stream from the U.K. Government (DFID) and the European Commission. Mark started out his career in international development implementing food security and economic growth projects in Azerbaijan. Mark has also worked on policy issues in Washington D.C., supporting the efforts of the non-profit community to advocate for the passage of the Global Food Security Act, a flagship congressional initiative to support and coordinate the US Government’s work in food security, and which became law in 2016.