There is a massive bias for white founders (~87%), to the detriment of minorities (~13%). This is masked slightly by the fact that Asians dominate minority founders (12% to 1%). These numbers are "under-representations" in relation to university populations, even for asians. [1,2]

[1] http://www.cbinsights.com/blog/venture-capital/venture-capit...

[2] http://www.theatlantic.com/national/archive/2013/01/how-amer...