In 2008, he took leave from SUA to work with the Non Communicable Disease Cluster of the World Health Organization. Initially he was stationed in Dar Es Salaam, Tanzania, as a National Professional Officer, and later in Ouagadougou, Burkina Faso, and Kampala, Uganda, as Technical Advisor in Tobacco Control. In 2015 Prof. Machang’u returned to SUA to take up the position of Professor of Microbiology on a two-year contract with the University. He continues with teaching of undergraduate and graduate students, research and consultancy work.

In the course of his career he has published extensively in scholarly journals and books and he is a member of various professional associations in the areas of microbiology and public health. His main research areas have covered water-borne microbial diseases, rodent vector borne diseases and zoonosis. Prof. Machang’u has furthermore pioneered public health education and lead campaigns against tobacco use, in Tanzania and in other countries of Africa and beyond in the context of the WHO Framework Convention on Tobacco Control.

  Academic Qualification (year obtained)     

1. PhD-Microbiology/immunology.(1991) – University Guelph  (Canada)
2. Zertifikat (1983) Hochshuldidaktik   -Gesamthochschule Kassel (Germany F.R)
3. Doktors der Veterinaemedizin (1982)   – University Giessen (Germany F.R.)
4. Doctor Medic Veterinara (1979)  – Agric. Inst. Cluj.  (Romania)