FYI, when orchestras started doing blind auditions, the numbers of women hired skyrocketed. Even though you'd think music would be the one area where what a person looked like & whether they were male or female would be irrelevant. I think this is a great idea.
This article is relevant for the discussion: https://peerj.com/articles/cs-111/ They explored a lot of factors to do with gender in a data set of several years' worth of public pull requests on GitHub. One of the more interesting findings was that women's pull requests get accepted more often, but that a couple factors can strongly affect that, including whether the person reviewing the PR knows the author of the PR…
Identification online is totally voluntary, so perhaps there is something about people who feel the need to specify their gender online, when it isn't necessary (such as when coding) that causes their pull requests to be rejected more.