… For the study, to be released Tuesday, they tracked personal political contributions for more than 3,500 chief executives that occupied the corner office anytime from 2000 to 2017. The period covers a two-term Republican presidency, a two-term Democratic presidency and the start of President Trump’s time in office — after he lost the popular vote but won the Electoral College. In other words, on the whole, voters have been pretty evenly divided between the parties in that time.
But just 18.4 percent of the executives studied were designated as Democrats. The clear majority — 57.7 percent — demonstrated their affiliation through donations to the Republican Party. Indeed, 75 percent of donations from the median chief executive were directed to Republicans. CONT.
Andrew Ross Sorkin, New York Times