| Birth Date: | 28 April 1971 |
| Birth Place: | Qwa-Qwa, Free State |
| Fields: | Astrophysicist |
| Workplaces: | South African Astronomical Observatory (SAAO) |
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Ramotholo Rafael Sefako (born 1971) is a South African astrophysicist. He is one of the first three black astro-physicists in South Africa.[1]
Sefako matriculated with distinction from Khukhune High School in Botha-Bothe-Lesotho and obtained his BSc degree at the University of Lesotho.[2]
He received his doctorate in astronomy from the Potchefstroom University for Christian Higher Education (abbreviated PU for CHE).
In 2005, he joined South African Astronomical Observatory (SAAO) as a post-doctoral fellow, and later a Southern African Large Telescope(SALT) astronomer. Currently, he is the head of the Telescope Operations (TOPS) Division at SAAO.[1] [3]
Dr Ramotholo Sefako's research interests include multi-wavelength studies of blazars and pulsar-driven nebulae to unravel how these objects produce high energies, up to gamma rays.[4] Moreover, he has published various journals collaboration with other physicists around the world.[5]