David Papapostolou leads interactive research and data visualization initiatives at Staffing Industry Analysts (SIA). This includes the SIA | Bullhorn Staffing Indicator and the US Geographic Opportunities Atlas. Prior to becoming a developer at SIA, Papapostolou served as an analyst within the research team since May 2010 and has written extensively about the contingent workforce environments in many staffing markets globally. Papapostolou is based in France, by the Loire River and near the Atlantic Ocean. He has a PhD in biochemistry from Paris University Denis Diderot.