NPM maintainer Forrest Norvell gives a presentation on the challenges of emotional labor for open source maintainers.
A Facebook video series on an array of topics including:
Featuring the video "Business Case for Diversity & Inclusion and What You Can Do"
Ashe Dryden's excellent talk about diversity at DrupalCon NA 2013.
See also the recording at https://www.ashedryden.com/drupalcon-portland-programming-diversity