Andrew studied management science (operational research) at Lancaster University. He has worked in industry and spent five years at the Audit Commission. He joined the Department of Health Services Research and Policy at LSHTM after completing a MSc in Medical Statistics. His main research interests are in the area of health care quality improvement, service delivery and organisational research. Recent research has included work examing the routine use of patient reported outcomes measures (PROMs) in elective surgery and TABUL, a NIHR HTA-funded study comparing the performance of ultrasonography and temporal artery biopsy for diagnosing giant cell arteritis.