UJ’s 2022 Mail & Guardian top 200 Young South Africans
MS MERCY SEPADI Operational manager: environmental health City of Johannesburg
Riemer himself is a qualified accountant, which gave him the financial foundation to branch out and build The Invigilator. It became South Africa’s most downloaded education app in 2021, with more than 20 universities and schools currently using it. It allows students to write their tests in a place that suits them. It also lets teachers conduct continuous assessments, rather than having to call students in for tests. “It’s about never giving up and striving towards your goal every waking minute.” Bcom Hons Accounting, 2016 She has a BTech in environmental health, a master’s in public health and is currently pursuing her PhD in health sciences, all with the University of Johannesburg. She also does mentorships at schools and is involved in NGOs that uplift women. “Never underestimate yourself — take risks, and opportunities will come.” National Diploma Environmental Health, 2012, BTech Environmental Health, 2013, Master of Public Health, 2019
A lasting legacy of the pandemic lockdowns has been that so much of life has moved permanently online, including many aspects of education. But sitting exams still requires the students and supervisors to be physically present. Nicholas Riemer is changing that with an app developed by his company, The Invigilator. The app allows school and university students to write exams at home, while ensuring the exam’s integrity. It works on entry-level smartphones and uses very little data. Mercy Sepadi specialises in environmental health, specifically those aspects of health determined by chemical, physical, biological, social, and psychosocial factors in the environment. She is the operational manager in the City of Johannesburg’s health department, managing and coordinating the operations of environmental health practitioners. “We focus on the interrelationships between people and their environment, promoting human health and wellbeing, and fostering healthy and safe communities,” Sepadi explains.
MR NICHOLAS RIEMER, Co-founder and chief executive of The Invigilator
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ALUMNI IMPUMELELO
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