Professor Murakami has more than 40 years of research and teaching experience in the area of biotribology of human and artificial joints at Kyushu University (Japan), University of Leeds (UK), and Teikyo University (Japan). He has written 150 journal articles and 45 book chapters on biotribology and chaired the International Biotribology Forums for the 1st, 4th, 6th, and 8th International Biotribology Forums which were co-organized with the Japanese Society of Biotribologists.