Ultra High Resolution Electron Microscopy. Image Simulation and Processing. The investigation of new approaches to quantitative microscopy (theory and experiment). Structural Studies of inorganic oxides and surfaces. The development of new detectors for imaging with high energy electrons. Aberration Corrected Electron Optics. Imaging radiation sensitive materials. Nanocrystalline metal and metal oxide catalysts. Diffractive imaging without lenses.
Science Director at the Rosalind Franklin Institute and the electron Physical Sciences Imaging Centre at Diamond Lightsource.