Dogan Ozkaya works as a Principal Analyst, responsible for electron microscopy in the Analytical Department at the Johnson Matthey Technology Centre, Sonning Common, U.K. He holds a Ph.D. in Materials Science and Metallurgy from the University of Cambridge. He carried out postdoctoral research related to electron microscopy in several university departments, including the Cavendish Laboratory, University of Cambridge, and the Materials Department, University of Oxford, before joining Johnson Matthey in 2003. He has been involved in research on platinum group metal catalysts for 12 years.