Pr Oueslati Ridha is born at Tébourba- Tunisia  , after his general certificate of education and Cytology diploma at medicine Faculty of Tunis he transfer in 1980 to Strasbourg Luis Pasteur University-France where he obtained in 1982 his Master in Biochemical. Second transfer to Paris,  where he continue his third training course at South Medicine of Paris in immunology of Cancer and Transplantation. He obtained successively in 1983 his   DERBH Diploma and his PhD Doctorate in Biology of Cancer in 1986.For this he spent four years at National Institute of Cancer Ville Juiff Paris-France.

Dr Oueslati return to Tunisia in 1987 ; He began his professional work as short term replacement assistant at Thameur Tunis Hospital in Hemato-Immunology laboratory. In 1990  he transfer to Military Principal Hospital at Tunis as contract assistant in Hemato-Immunology department until 1993.His first government position is as Professor associate(MCA) in Immunology at this department until 2000. In this period Dr Oueslati  create the laboratory of cellular immunology and a cryo cell line Bank. In the same way he introduced the screening of the serological Tumor markers and  cell immunologic profile  for kidney and cardiac transplant patients.  He transfer in the end 2000 to Sciences Faculty of Bizerte- Jarzouna as MCA in Immunology and from 2005  as Professor of Immunology and Microbiology  . He essentially promote the academic formation , as a teacher, at Basic and Master level  in life sciences essentially in immunology and Microbiology .The gradual evolution  of its academic activity permit him  to introduce the immunologic comparative and Molecular microbiology at Master level linked to Inflammatory pathways .In parallel he create the immune Microbiology laboratory  in this faculty ; Followed by the national Unit research  in Immuno microbio Environmental (IME)  converted later in  IMEC ( Carcinogenesis). Our unit collaborate with prestigious international team linked to their thematic  essentially on Prostate , Mammary and Colic inflammatory pathways tumors  . The comparative Tumors  with some stem cells is an active line as Bio markers. More than seventy   international  paper are numbered. The management  of IMEC  make it open to its city , Town , country  and  the international groups.

Professor Oueslati is actually an International Reviewer and Bored Editor in  prestigious journals as Nature Reports Journal  and Carcinogenesis.