In a June 2019 article in the Harvard Business Review (HBR), Jack Zenger and Joseph Folkman remind readers that the persistently low rate of representation by women in senior corporate positions makes no sense when it comes to actual leadership abilities and perceived competency. In fact, research conducted by Zenger and Folkman indicates that

The Harvard Business Review reports on a study of attributes and behaviours of highly productive individuals from a range of industries that was undertaken in an attempt to understand their much-better-than-average outputs.

Jack Zenger and Joseph Folkman collected data on 7,000 workers, from code-writers to butchers, who had been rated by their managers as “super-productive.”