Professor Peter C Gotzsche graduated as a Master of Science in biology and chemistry in 1974 and as a physician in 1984. He is a specialist in internal medicine; he worked with clinical trials and regulatory affairs in the drug industry 1975-83, and at hospitals in Copenhagen 1984-95. He co-founded The Cochrane Collaboration in 1993 and established The Nordic Cochrane Centre the same year. He became professor of Clinical Research Design and Analysis in 2010 at the University of Copenhagen., Peter Gotzsche has published more than 50 papers in 'the big five' (BMJ, Lancet, JAMA, Annals of Internal Medicine and New England Journal of Medicine) and his scientific works have been cited over 10000 times., Peter Gotzsche has an interest in statistics and research methodology. He is a member of several groups publishing guidelines for good reporting of research and has co-authored CONSORT for randomised trials (www.consort-statement.org), STROBE for observational studies (www.strobe-statement.org), PRISMA for systematic reviews and meta-analyses (www.prisma-statement.org), and SPIRIT for trial protocols (www.spirit-statement.org). Peter Gotzsche is an editor in the Cochrane Methodology Review Group.