Program Team

Mariam Mayet
Executive director
Based in
Johannesburg
Phone
+27 (0)83 2694309

Mariam is the founder and Executive Director of the ACB. She holds BA LLB and LLM degrees from the University of the Witwatersrand, Johannesburg, South Africa. Under Mariam’s leadership, the ACB has produced a respected record of evidence-based work and plays a vital role in food sovereignty struggles on the African continent.

Dr Stephen Greenberg
Research coordinator
Based in
Johannesburg

Stephen has been doing research with the ACB since 2004, before joining the organisation part-time in 2013 and then full-time from 2017. He has a PhD from the Institute of Development Studies (IDS) at Sussex University, with an MA from Wits University. Stephen has more than 20 years of research and policy analysis experience in South and Southern Africa, including in seed, food, agriculture, biodiversity, corporate power, and agro-food systems. He also provides direct support to the Executive Director on matters of strategic importance to the ACB and is part of the ACB's management team.

Sabrina Nafisa Masiinjila
Research and advocacy officer
Based in
Dar es Salaam, Tanzania

Sabrina is a Research and Advocacy Officer at ACB, based in Tanzania. She has an environmental background with a BA in Environmental Studies from Kenyatta University, Kenya and has been working in the NGO sector for seven years. Sabrina is also a link to ACB’s work in East Africa which involves research, campaigning, networking and advocacy around biosafety, seed and food sovereignty and farmers’ rights.

 

Linzi Lewis
Research and advocacy officer
Based in
Johannesburg

Linzi joined ACB in June 2016. She has a BSc (Hons) in Geography, Ecology and Environmental Science from the University of the Witwatersrand, an MSc in Forests and Livelihoods from the University of Copenhagen, and an MSc in Agricultural Development from AgroParisTech, Montpellier. She is driven by the need for social and environmental justice, and works between the arts and sciences for meaningful and sustainable behaviour change in our food systems.

Agostinho Bento
Research and advocacy officer
Based in
Maputo, Mozambique

Agostinho is a Research and Advocacy Officer at ACB, based in Mozambique. He has been with the ACB since 2016. Agostinho has an MA in Rural Sociology and Development Management from the Eduardo Mondlane University in Maputo. His experience covers the fields of biosafety, genetic engineering in food and agriculture, agro-ecology and the peasant-to-peasant model of food production.

Monitoring and Evaluation

Sibusiso Nkosi
Monitoring and evaluation officer
Based in
Johannesburg

Sibusiso is the M&E Officer at ACB, having joined the organisation in January 2017. Previously, Sibusiso worked as an M&E consultant for the Institute for Security Studies (ISS) and before that he was a research intern at the African Institute for South Africa, a research division within the Human Sciences Research Council (HSRC). Sibusiso holds a BA (Hons) in Development Studies and BA degree in Public Management and Governance.

 

Communications

Fatima Gabru
Communications officer
Based in
Johannesburg

Fatima Gabru is the Communications Officer at the ACB, having joined the organisation in September 2017. She has worked as an intern researcher at the Centre for Education Rights and Transformation (CERT), at the University of Johannesburg (UJ). She has a BA (Hons) in English from UJ

 

Admin and Financial Team

Vinern Naidoo
Administration officer
Based in
Johannesburg
Phone
+27 (0)11 486 2701

Vinern joined ACB in 2013 as their Administration Officer and is responsible for maintaining the financial records and operational functions of the organisation. He has extensive experience in collection management, administration, finance, procurement and logistics which was acquired after working for the Department of Arts and Culture for over 16 years.

Hettie Dreyer
Accounting officer
Based in
Pretoria

Hettie is a Tax and Accounting Practitioner with 35 years of experience in business and international accounting, especially in Non-Profit Organisations. Hettie is also part of the ACB's management team together with Mariam Mayet and Dr Greenberg. She has been working with the ACB since July 2013.

Rosanne van der Merwe
Administrative assistant
Based in
Johannesburg

Rosanne has been working part time for ACB since January 2016. She assists with the logistics for events, workshops and meetings. She has experience in the travel and tourism industry, as well as the car hire industry. Rosanne earned her Conference, Exhibition and Event management degree from Damelin, and later studied for a Travel and Tourism diploma from Varsity College.