Contact us For more information, contact NanoStencil co-ordinator, Professor Mark Hopkinson. Off Professor Mark Hopkinson Professor in Electrical Engineering School of Electrical and Electronic Engineering Research interests: Semiconductor Epitaxy, Lithography, Photonic devices and Optical materials. Email m.hopkinson@sheffield.ac.uk Telephone +44 114 222 5385 Open staff member portrait in a modal window Related information Projects Partners A global reputation Sheffield is a world top-100 research university with a global reputation for excellence. We're a member of the Russell Group: one of the 24 leading UK universities for research and teaching. About the University