Dave Nadig is managing director of ETF.com. Previously, he was director of ETFs at FactSet Research Systems. Before that, as managing director at BGI, Nadig helped design some of the first ETFs. As co-founder of Cerulli Associates, he conducted some of the earliest research on fee-only financial advisors and the rise of indexing. Nadig also heads up the content and education work of ETF.com's parent company, Cboe Global Markets.