Head of Policy at the Charter Cities Institute. His research interests include urban economics, structural transformation, special economic zones, and technology ecosystems. He has worked on policy advisory projects in Nigeria, Tanzania, Zambia, and Honduras, among other countries. Prior to joining the Charter Cities Institute, Jeffrey worked as an MA Fellow at the Mercatus Center at George Mason University. He holds a BA in economics from the University of Maryland and an MA in economics from George Mason University. His writing has been featured in publications including City Journal, Works in Progress, Investment Monitor, Quartz Africa, and The American Mind.