How to change what the tech workforce looks like

[Commentary] Silicon Valley firms, located in one of the most diverse places in the US, are mostly staffed by whites and men. But is anything likely to change in 2015? Or the next year, or next? Yes, I'd cautiously say, because the conversations outside the companies are helping the efforts of those inside to make the business case for the issue. "This topic has gone mainstream," said Rosalind Hudnell, vice president of human resources at Intel and the firm's chief diversity officer.