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Senior Lecturing Fellow, Duke Innovation & Entrepreneurship Initiative at Duke University at -

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Adjunct Professor at -

Harvard Medical School

Professor of Radiation Oncology at Harvard Medical School

University of Cape Town

Professor Emeritus at University of Cape Town

University of Cape Town

Professor of Astronomy at University of Cape Town

University of Cape Town

Assistant Lecturer at University of Cape Town

Adjunct, Lecturer, Instructor at Various Colleges and Universities

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Assistant Professor at -

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Visiting Management Faculty at Siena College at -

Eindhoven University of Technology

Assistant Professor at Eindhoven University of Technology