… in economics and political science from Columbia University. Didace is a native Kinyarwanda speaker and is fluent in French. Environmental Innovation Equity and Justice Sustainable … in economics and political science from Columbia University. Didace is a native Kinyarwanda speaker and is fluent in French. Connect with Didace Bienvenu didace.irafasha@yale.edu … in economics and political science from Columbia University. Didace is a native Kinyarwanda speaker and is fluent in French. … Didace Bienvenu Irafasha …