Artak joined LASER in 2010 to participate in the conduct of the International Study of Insulin & Cancer, for the UK. He then directed an international observational study on the relative effectiveness of atrial fibrillation treatments, recruiting in Germany, USA, Spain & Italy. He is the senior epidemiologist on several projects, including an international cohort study on the relative effectiveness of intensive therapies in diabetes, conducted in the UK, Spain, Belgium and France. Artak is a qualified general surgeon. He completed his PhD in Epidemiology at University College of London.