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Professor Simon Kroll

Simon has been involved with our work for many years, initially as chairman of our Medical Research Panel before becoming our honorary Medical Director in 2009

Professor Simon Kroll, Honorary Medical Director and Vice-Chair

Professional expert

Professor of Paediatrics and Molecular Diseases at Imperial College and St Mary’s Hospital, Paddington, he is involved in research into the molecular basis of the virulence of meningitis and pathogens, and in new vaccine strategies to prevent meningitis and septicaemia. 

Simon has been involved with our work for many years, initially as chairman of our Medical Research Panel before becoming our honorary Medical Director in 2009.

He has served as a member of the Joint Committee on Vaccination and Immunisation and is a member of the NICE

Meningitis Guideline Development Group. Simon’s research focuses on the genetic and molecular basis for the virulence of bacterial pathogens, including Neisseria meningitidis.


  • Caroline Vipond

    Dr Caroline Vipond, Chairperson

    Professional expert

    Caroline is a Senior Scientist in the Division of Bacteriology at NIBSC, where she runs the group responsible for ensuring the safety and quality of a number of licensed meningococcal vaccines. She is also the current Chairperson of our Scientific and Medical Advisory Panel

  • Xilian-Bai

    Dr Xilian Bai

    Professional expert

    Xilian graduated in medicine from China Medical University before specialising in paediatric/neonatal intensive care and paediatric infectious diseases.

  • David Dockrell

    Professor David Dockrell

    Professional expert

    Professor David Dockrell is Professor of Infectious Diseases and Consultant in the Department of Communicable Diseases at the Royal Hallamshire Hospital, Sheffield.

  • Darryl Hill

    Dr Darryl Hill

    Professional expert

    Darryl obtained a BSc in Biochemistry from the University of Swansea in 1993 and graduated with a PhD in 1997. Following a postdoctoral position in the University of Swansea, he moved to the University of Bristol in 1998, where he currently works as a senior lecturer in microbiology in the ...