As part of a split appointment, he is responsible for activities in the Adaptive Information Disclosure subprogramme of the Virtual Laboratory for e-Science project, where semantic e-Science applications for health care and life sciences are being developed. Previously, Dr. Marshall has worked at CWI, Glaucus Proteomics, Kiadis Pharma, and the microarray department at the University of Amsterdam in The Netherlands. He is a co-chair of the W3C Semantic Web Health Care and Life Sciences Interest Group. Dr. Marshall received a PhD for his work in graph visualization.