Professor Ruys was a founding Director of Biomedical Engineering at the University of Sydney, Australia, between 2003 and 2018. He graduated with a BE in Ceramic Engineering in 1987 and a PhD in Ceramic Engineering in 1992 from the University of NSW, Australia. He has worked in bioceramics and advanced ceramics research for over 30 years, and has been an active participant as researcher, educator and industrial consultant for this entire time. He is not only an experienced researcher in bioceramics (ceramics for biomedical applications) but has also been an industrial consultant in the world-changing applications of armor ceramics, advanced ceramics in wear-resistance linings in mineral processing, and numerous other important industrial applications of ceramics. He has published more than 100 journal articles, over 70 conference papers, seven books and has listed 5 patents. He serves on three editorial boards and is a reviewer for 24 scientific journals. He has been teaching bioceramics, biomaterials, and medical device technology for three decades, and has also taught on dental materials, industrial ceramics, chemistry, physics, and general engineering.