As CEO of State Street Ronald O’Hanley is on the front lines of shareholders’ push to bring change to corporate boardrooms.

State Street whose money-management arm oversees $2.7tn in assets, has amassed significant governance power in recent years as investors shifted more money into the lower-cost, index-tracking funds it helped popularise—and away from actively managed funds. One of its most visible efforts has been its “Fearless Girl” campaign urging companies to add women to their boards.