The full PowerPoint deck from Emily Glassberg Sands's New York presentation (see post below) is available here, thanks to Jodi Schoenbrun Carter.
Elsewhere in her blog is an interesting link to a Princeton study regarding "blind" orchestral auditions (i.e., auditions in which the player is hidden from the judges). Once implemented, such auditions have led to the number of women in major symphonies increasing "several fold." Perhaps a similar policy of "blind submission" (with names removed from texts) should be required at literary departments in theatres?
[Update update: The NY Times weighs in here. And here's the presentation itself: