Anna is an Associate Professor at the Oslo Center for Biostatistics and Epidemiology (OCBE) in Oslo, Norway. She has served many years as a co-convenor of the Cochrane Statistical Methods group and of the Cochrane Comparing Multiple Interventions Methods group. Anna has extensive experience in the field of evidence synthesis where she has made several methodological contributions. Currently she works on the development of new methods for ranking interventions, network meta-analysis of complex interventions, incorporation of observational data in networks of interventions, and interactive knowledge translation tools.