In a follow-up to my column “Can a White Man Speak With Authority on Diversity?”, a reader asks a critical question.

What diversity and inclusion strategies helped this company rise to the DiversityInc Top 50?

What’s the one factor that determines whether your company’s diversity efforts will succeed or fail?

Why do certain companies, well known as diversity leaders, fall in their rankings on The DiversityInc Top 50 Companies for Diversity list? To show you what NOT to do, we offer three case studies of companies we’ve studied for more than a decade.