John Leffler started his career at FactSet Research Systems in 2001 first in data collection and optimization, then moving into a Data Feed sales role. In 2009 John moved into a generalist role culminating in 2017 when he was a US manager within the SCG group at FactSet. In 2018 John joined Donnelley Financial Solutions, DFIN, first as Director of New York sales then later as Global Head of Venue Sales. Currently, John is Head of Americas for Macrobond Financial, a portfolio or Nordic Capital, the world’s foremost Economic data provider.