The Team
Tax Justice Network Africa (TJNA) is a pan-African research and advocacy organisation established in 2007 and a member of the Global Alliance for Tax Justice (GATJ). Through its Nairobi Secretariat, TJNA collaborates closely with its member organisations and other civil society partners across Africa to curb illicit financial flows (IFFs) and promote progressive taxation systems. TJNA advocates for pro-poor tax policies and the strengthening of tax systems to promote domestic resource mobilisation (DRM). TJNA also plays a leading role in global coalitions committed to tackling the phenomena of global tax avoidance and evasion and achieving fundamental reforms of the current global financial architecture.
The Secretariat administers and coordinates the day-to-day operations of the Tax Justice Network Africa in Nairobi, Kenya and around Africa where TJNA is represented. It comprises five units: Communication, Campaign and Outreach, Institutional Partnership Development, Finance and Administration, Policy then Deputy Executive office. At the head of TJNA’s secretariat is the Executive office. The Secretariats core mandate is to fulfil the mission of the Tax and Justice Network Africa.

Alvin Mosioma
Executive Director

Jason Braganza
Deputy Executive Director

Farah Nguegan
Communication, Campaigns and Outreach Manager

Mercy Karimi
Finance and Administration Manager

Xavier Ndalila
Administrative Assistant

Riva Jalipa
Policy Lead: Fair and Equitable Taxation

Belinda Okungu
Institutional Partnership Development Manager

Jared Maranga
Policy Lead- Tax and Investment Programme

Brian Gituanja
ERP & ICT Adminstrator

Donita Mosoti
Assistant Partnership Officer

Robert Ssuna
Policy Lead-Tax and International Financial Architecture

Damary Juma
Finance Officer

Leonard Wanyama
East Africa Tax and Governance Network Coordinator-EATGN

Esther Leipah
Human Resource Manager

Caroline Othim
Global Campaigns and Policy Coordinator- GATJ

Paul Omondi
Monitoring, Evaluation, Learning & Knowledge Management-Technical Lead

Mildred Olesi
Office Assistant

Zipporah Wanjiku
Finance Assistant

Christopher Wanyonyi
Procurement Intern