Dr Vincent De Guire is a clinical biochemist in the Optilab Montreal-CHUM laboratory network, associated researcher at Maisonneuve-Rosemont Hospital and a?clinical assistant professor at the University of Montreal. He is the chair of the Working Group on Laboratory Errors and Patient Safety of the IFCC and acts as an expert on the Working Group of the Preanalytical phase of the EFLM. Dr De Guire is notably the president of the Canadian Program for Quality Indicators Comparison of the Quebec Society of Clinical Biology and chair of the committee on Quality Improvement through Quality Indicators Monitoring of the Canadian Society of Clinical Chemists.