Dr. Graham Mann is a Lecturer in atmospheric science at the University of Leeds, with 20+ years research experience. He specialises in research into stratospheric aerosol and the climate effects from major volcanic eruptions. A member of the Scientific Steering Committee of the SPARC “Stratospheric Sulphur and its Role in Climate” initiative he co-leads UK contributions to the CMIP6 MIPs VolMIP and GeoMIP. He also co-ordinates the development of the GLOMAP-mode aerosol microphysics module.