Bachelor in Veterinary Medicine, University Nairobi, Kenya, 1979. Mediterranean Shipping Company in Veterinary Pathology, Microbiology and Parasitology, University Nairobi, Kenya, 1982. Doctor of Philosophy in Parasitology, University Queensland, Australia, 1989.
Assistant lecturer veterinary parasitology University Nairobi, 1979-1982, lecturer, 1982-1990, senior lecturer, 1990-1997, associate professor, since 1997. External examiner, numerous University in Eastern Africa, consultant Almadine International Corporation Switzerland and Unga Feeds, Nairobi, 1994-1995, F.M.C. International, Nairobi, 1991, Hoechst, Nairobi, 1999, Kenya, 1999.
Member World Association for Advancement Veterinary Parasitology, Australian Society for Parasitology, American Society for Parasitologists, New York Academy of Sciences, Public Service Club.
Married Irene Gathoni Muguiyi, May 11, 1964. Children: Jeff, Linda.