Dr Jean-Claude Forest is Professor of Laboratory Medicine at Laval University and Member of Department of Laboratory Medicine of the CHU de Québec. From 2004 to 2011, he has been Director of the Research Center of the University Hospital and since 2010, Associate General Director for Medical and University Affairs. His main research interests are the development of biological markers for the screening and diagnostic of fetal anomalies and diseases associated with pregnancy. He is the author or co-author of more than 700 papers, book chapters, scientific communications, and invitations as speaker. His work has been instrumental in the development of prenatal screening procedures for trisomy 21. Actually, he is Chair of the Coordinating Committee of the Quebec Prenatal Screening Program for Trisomy 21 for which he has played a major role in its implementation. From 1994 until 2006, he has been successively Member, Vice-Chair and Chair of the Scientific Division of the IFCC. From 2006 to 2009, he chaired the Joint Committee on Metrological Traceability and, from 2005 to 2010, he was Delegate to the Expert Panel of WHO on Biological Standardization.