Even at the highest-ranking positions in U.S. corporations, it’s clear there's more work to be done to narrow the gender pay gap--and the gender gap overall.

In the topmost roles of the C-suite, men outnumber women by 7 to 1, and the women that do hold these top positions earn only 85 cents for every dollar earned by men, according to the most recent proxy disclosures by Russell 3000 companies. As shown in the chart below, these numbers are only fractionally better than they were five years ago. READ MORE