Ahmad Hegazy: Graduate of Cairo University (B.Sc. and M.Sc.) and University of Alberta, Canada (Ph.D.). Presently Professor at Cairo University (Applied Plant Ecology and Environmental Science). Supervision of over 45 Ph.D. and M.Sc. students. Research in population and community ecology of desert, coastal and mountain ecosystems; biodiversity, conservation ecology and management of protected areas; biological interactions; allelopathy; environmental pollution, phyto-remediation, restoration ecology; and environmental impact assessment. Published over 150 scientific papers, edited and co-authored several books. Implemented research programs in Egypt, Libya, Sudan, Qatar and Saudi Arabia. Participated in many international conferences. English-Arabic translation of environmental articles for Scientific American.
Jon Lovett-Doust: B. Sc. (Hons. Biol.) from Queen's University, Kingston, Canada, and Ph.D. from University of Wales. Presently emeritus at University of Windsor. Research in macro-ecology, plant population biology and reproductive ecology. Carried out research in Egypt and elsewhere. Published over 100 scientific papers; co-authored and co-edited several other books.