Marja Boermeester is professor of surgery and a clinical epidemiologist at the Amsterdam University Medical Centers, location AMC, and principal investigator of many multicenter trials on diagnostics and treatment of abdominal infections (e.g., RELAP, OPTIMA, ESCAPE, OPTIMAP, DIABOLO, SECURE, EPOCH). She received many grants, (e.g., > 10 National Health Care & Efficacy Research Grants) and trials were published in international high-ranked journals (NEJM, JAMA, Radiology, BMJ, Lancet, Ann Surg).