Or lack thereof!—a recent survey and a thoughtful analysis:

https://www.blackbaud.com/nonprofit-resources/diversity-in-giving-study?utm_expid=9520401-14.mJZaEZUHQlqEebLLhILF8A.1&utm_source=fs&utm_medium=enews&utm_content=MarFR&utm_campaign=2015dig

https://nonprofitquarterly.org/policysocial-context/25742-the-state-of-age-ethnic-gender-diversity-on-foundation-staff.html?utm_source=hs_email&utm_medium=email&utm_content=16425311&_hsenc=p2ANqtz-8wjSkbfmylWeMuhfAaSEyI8rN-LvqrWtlUdsuDizIF8eUIa440C377DCImzHUp5sGX9XujeDPuUG77b8gLJW_AM2NcZPel7dlXHquFU-P_3iCc1D4&_hsmi=16425311