Who among us hasn\u2019t taken a diversity and/or discrimination course at work? The diversity, equity and inclusion industry\u2014the DEI Industry\u2014has been steadily growing over the last decade...and yet, who\u2019s seen these courses make a lasting difference? Adia Harvey Wingfield's new book is GRAY AREAS: How the Way We Work Perpetuates Racism and What We Can Do to Fix It. Adia Harvey Wingfield is a leading sociologist and a celebrated author who researches racial and gender inequality in professional occupations.