Professor John Kaddu, BSc, MSc, PhD, is the board chair and Chief Executive Officer of the Climate Change Adaptation Innovation (CHAI). Professor Kaddu is an accomplished researcher, author, veteran climate change negotiator, climate change adaptation expert and university professor. He was the director of the Protozoology Section and Trypanosome Cryobank at the then East African Trypanosomiasis Research Organization (EATRO) of the East African Community in Tororo, Uganda (1972 – 1977), and also at the Kenya Trypanosomiasis Research Institute of the Kenya Government at Muguga Kenya (1977 – 1979), of which he is a Co-founder. He was second in command of the Medical Vectors Research Programme  of the International Centre of Insect Physiology and Ecology (ICIPE) in Nairobi Kenya (1979 – 1990), then Head of the Department of Zoology for a three-year-term of his 26-year  service (1991 -2016) at Makerere University, Kampala Uganda.

Professor Kaddu has published extensively in international research journals through his long-term research in fields ranging from experimental chemotherapy of malaria-causing protozoa parasites (plasmodium); transmission and cultivation in vitro and in vivo of Trypanaosoma  (T. congolense), human and animal Leishmania, (L. donovani, L. Ethiopica and L. major) as well as vector-parasite interactions at the ultra-structure level. His contribution to the generation of knowledge products for the contemporary society is well documented. He is the senior Author of the widely used top quality school book, Biology for East Africa published by Cambridge University Press, as well as “Biological Sciences: a Book for First Year University“ published by UNESCO. Recently, he produced the “National Climate Change Training Manual” for Inter-institutional Climate Change Desk Officers for the Uganda Mistry of Water and Environment.  He was lead athour of Uganda’s National Climate Change Learning Strategy (2013), and adaptation expert for Uganda’s NAPA (2007), NDC (2018), and Third National Communication.From 2009 to date, Professor Kaddu, with certificates in Climate Change Negotiations, led the Adaptation Thematic Group of the Uganda Government Delegation at the annual sessions of the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC). He is the author and editor of the regular position paper, “Uganda at COP-X”, which is now a symbolic wherewithal of Uganda’s articulation of her national position for every COP session under the UNFCCC. In addition, he has editorial roles in a range of scientific institutions. He was Chief editor of the UNDP’s report “Progress towards meeting MDG7: Ensuring Environmental Sustainability “and “Baseline report on the State of Biodiversity in the Nile Uganda 2010”. He has served as External examiner / Assessor to various Universities in East Africa; and is fellow of the Uganda National Academy of Sciences (UNAS), and a member of the New York Academy of Sciences. He, too, has served as a WHO Visiting Scientist to various institutions in the Middle East, Sothern Africa, Europe,  and India

Professor Kaddu earned BSc in Zoology, Chemistry and Botany from the then University of East Africa, MSc in Applied Parasitology from the University of Liverpool School of Tropical Medicine and Hygiene, and PhD in Entomology from the University of Nairobi.