Roseanne Diab

Roseanne Denise Diab (11 November 1949 – 10 January 2026) was a South African researcher, who was the Director of Gender in science, innovation, technology and engineering (SITE), a UNESCO's programme unit hosted by The World Academy of Sciences (TWAS) and former CEO of the Academy of Science of South Africa. She was a Fellow of the University of KwaZulu-Natal and Emeritus Professor in the School of Environmental Sciences at the same university.

Life and career Diab published over 86 peer-reviewed scholarly articles. She is recognised for her contribution in the field of atmospheric sciences, particularly climate change, air quality, dispersion modeling and tropospheric ozone variability. She was also a Fellow of the Society of South African Geographers and was a member of various international bodies such as the Commission on Atmospheric Chemistry and Global Pollution (CACGP) and the International Ozone Commission (IOC).