For an incoming CEO, Barry is quite young and turning 44 this week. By comparison, the median age when men and women are appointed CEO is about 55, according to the company's data research provider Equilar.
Barry's agreement is welcoming news to those who have advocated several female executives and directors. [1
Why the big fee?
"Hot" jobs are first and foremost revenue generating growth positions that give people skill sets and visibility that are more likely to put them on corporate tracks.
Women who make it to the C suite  usually take non-revenue generating roles in finance, marketing or human resources, noted Hariton.
Also, she added, is the unconscious disturbance and stereotyping of women in the workplace, as well as a "Goldilock's syndrome." For example, a woman risks being seen as either for self-confident or not self-confident enough for a given role. In other words, "she must be very perfect to move on," Hariton explains.
In Barry's case, she came through the financial channel, but also served in some operational roles at Best Buy along the way, including a stint as her top strategic growth officer.
The good news is that at all indications Barry was prepared for the CEO, Hariton said.
– CNN's Nathaniel Meyersohn contributed to this report.