Technology Board Diversity: Top Tech Companies Without Black Corporate DirectorsDerek T. DingleAugust 19, 2014September 28, 2017 by Derek T. DingleAugust 19, 2014September 28, 20171540 In our research for the BLACK ENTERPRISE Registry of Corporate Directors, we discovered that 74 companies on the S&P 250—29.6%—do not currently have a single...