Striving to increase workplace diversity is not an empty slogan — it is a good business decision. A 2015 McKinsey report on 366 public companies found that those in the top quartile for ethnic and racial diversity in management were 35% more likely to have financial returns above their industry mean, and those in the top quartile for gender diversity were 15% more likely to have returns above the industry mean….
In recent years a body of research has revealed another, more nuanced benefit of workplace diversity: nonhomogenous teams are simply smarter. Working with people who are different from you may challenge your brain to overcome its stale ways of thinking and sharpen its performance.
David Rock and Heidi Grant at the Neuroleadership Institute make the argument in this article that diverse teams can not only improve outcomes, but are actually better at making complex group decisions.