Jean worked as an Assay Development and Quality assurance scientist for Immune Tolerance Network, Inc from 2004 - 2007 and as a consultant for Consult USA from 2007-2009. ITN is an international clinical research consortium sponsored by the NIH. Their mission is to accelerate development of therapies via clinical and mechanistic studies in the areas of autoimmunity, transplant, and allergy. Currently, there are over 40 clinical studies utilizing 170+ clinical sites. Jean's responsibilities included Research and Development (design, implementation, and analysis), Quality control/quality assurance (QC/QA) monitoring, data interpretation and data entry, report and manuscript preparation, core facility and project management requiring extensive contact with collaborators, vendors, and coworkers, and presentations at seminars and conferences.