Our Team


David Jacobs – Business Development

David helps build the Global Teachers Institute into an independent social enterprise which involves fundraising, financial planning and the establishment of GTI into a social franchise. David comes to LEAP with 15 years business experience in product management, software development and technical sales with multi-national clients such as Safeway, Kroger Foods and British Petroleum. The sale of a business in 2009 he had a stake in has allowed him to pursue work within the non-profit sector for the past six years at the South Africa Education Project (SAEP), FoodBank South Africa and Stop Hunger Now Southern Africa.

Tatende Zinamo Tatenda Zimano – Operations Manager  

Tatenda manages the operations within GTI and has the responsibility of engaging with the organisation’s vision and values to develop and maintain effective processes for the organisation. Born and bred with both parents in the education space, she has a special passion for leadership empowerment across all ages. She believes in the potent value of every individual regardless of their level or title. With over 10 years’ experience, she holds an Honours Degree in Marketing Management and a Certificate in SMME Management.


Sheila uu(1) Sheila Ndlovu – Regional Coordinator, Pretoria

Sheila was born in a township of Umlazi, in the east coast city of Durban, KwaZulu-Natal. She was a student teacher at Inanda Seminary, while studying towards her BEd degree through distance learning majoring in Geography and English. She has taught for 3 years in the classroom before relocating to Johannesburg and joined the Global Teachers Institute as a Regional Schools Coordinator, in Gauteng for year. She is currently running of GTI’s Future Leaders programme.

GTI Portraits High Res © Goosebump Productions-8329 Khayakazi Mbunyuza – Programmes & Communications

Khayakazi was born and raised in the rural Eastern Cape and has completed her studies and has completed her studies in the Public Relations and Communications discipline.  She joined GTI in 2016 as programmes administrator and is now currently responsible for the coordination of GTI external communications as well as project managing our Internship and Fellowship Programme with Teach With Africa. She draws her inspiration from the many people who approach education through cultivating curiosity as the path to deep learning.

 GTI Portraits High Res © Goosebump Productions-8230 Vuyelwa Poni – Regional Coordinator, Cape Town

Vuyelwa’s journey with GTI started when I was appointed as the Site Manager for the Future Leaders Programme in 2017 at the LEAP 2, Crossroads Campus, at that time I was teaching Languages and Accounting to Grade 8 – 10 Learners. She since then worked with Aspiring teachers in Western Cape placed with the aim of making a positive impact in their lives and wants to empower her young teachers with skills that will enable them to be passionate and reflective, with a firm grasp of content and pedagogy.

Photo by: Culture Capital (www.culturecapital.co.za) Hassiena Marriott – Education Leader

Hassiena Marriott has taught for 20 years in primary and high schools, in both public and private schools, specializing in Mathematics, Physical Sciences and Life Sciences. She is one of the authors of the Siyavula Life Sciences textbooks. She holds a BPaed Science degree and a Master’s in Education degree from UKZN and has been the senior project manager for teacher development at BRIDGE Innovation in Learning Organization for the last three years where she has organized and facilitated numerous communities of practice.

 Sandiswa Lehutso_11 Sindiswa Lehutso – Partnership Development

Sindiswa was born and raised in Soweto and started her career at a reputable recruitment agency. Shortly after, joined the NPO space in 2016 and with a passion inspired by her grandparents who were both teachers and school leaders, she was delighted to join the team at GTI. Her hope is that her contribution in the space will assist in uplifting the integrity of the profession throughout South Africa. She is currently studying via distance learning to obtain her BA degree in Politics, Philosophy and Economics.

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Tania Ham – Regional Coordinator, Jane Furse

Tania is from Cape Town but moved to Limpopo to join the LEAP Science and Maths School, Jane Furse campus when it opened its doors to the Jane Furse community.  She has a degree in Human Ecology and is invested in supporting the development of both individuals and communities. She is passionate about motivating people and helping them to see that anything in life is possible. Tania believes for communities to develop they need to be educated.