Actually... I'd rather talk about Whiteness.
The cultural sector in Europe (and elsewhere) is overwhelmingly white yet it is trendy/prudent these days to talk of diversity. Let's rather speak more about whiteness, white privilege, white supremacy, the construction of whiteness, historically and today. Once we have grappled with why white people continue to rule the (cultural) world in the 'west', despite fast changing audiences and increasingly diverse graduates, then, we will be ready to do something about it- for rea