Twivwe Siwale is the Head of Tax for Growth, a thematic initiative of the International Growth Centre. She is responsible for project development, content creation and policy engagement for IGC’s work on tax. The portfolio includes a collaboration with the Tanzania Revenue Authority to develop a dashboard to increase the utilization of tax data generated from Electronic Fiscal Devices to increase domestic revenue mobilization. Other work is with the Zambia Revenue Authority to pilot a consumer incentive scheme to increase VAT compliance. Prior to joining the IGC, Twivwe worked at the Zambia Revenue Authority in various departments including the tax inspectorate, audit and policy and legislation unit. She is a Commonwealth Scholar who holds an MSc in Public Economics from the University of York. She is also a 2017 Mandela Washington Fellow and studied Public Management at the Andrew Young School of Public Policy in Atlanta, Georgia. She has provided expert economic analysis on Zambia to various media houses including the BBC and the Telegraph.