Prof. Michael J. Gatari has a Ph.D. in Environmental Science with a specialization in Physics, a Diploma from European Research Course on Atmospheres, and a licentiate in Environmental Physics. He is an Associate Professor in Applications of Nuclear Science Techniques, and teaches/lectures and supervises students undertaking master of Science in Nuclear Science and technology, multidiscipline graduate program. He is a member of Association for Aerosol Research (GAeF), the American Association for Aerosol Research (AAAR), European Physical Society (EPS), European X-Ray Spectroscopy (EXRS), and the Non-Destructive Testing (NDT) Society in Kenya. His is widely experienced in aerosol science technology and measurement, and has attended over 15 related pre-conference tutorials. He chaired the working group that drafted the ABC-Africa whitepaper and was appointed a co-chairman of ABC-Africa by the UNEP ABC Science Committee. The bulk of his research activities involves air quality/aerosol studies, mainly in Kenya.