Priya Sanger has gone from old money to new money. But not in the way you think. The former senior counsel for strategy and operational risk at Wells Fargo & Co. now works to make novel online and mobile payments solutions legal and easy. At Google Inc. since 2012, Sanger can tap her banking background to help Google navigate product and regulatory issues for its digital-payment areas. As president of the Bar Association of San Francisco in 2011, Sanger worked to bring more in-house lawyers into the fold.

In 50 words or less: what can be done to tackle tech's gender gap?

Companies need to hire, retain and promote more women, and pay women what men are paid. Companies need to counsel women on how to become stronger advocates for themselves. Men should be trained on unconscious bias, how to mentor and include women, and to pay them on par with men.