In conversations in popular culture, and comments by the President, and most importantly, the hard work of smart and determined women, some businesses are making gender parity a priority, particularly at a company’s most senior levels. And having gender diversity isn't just a laudable social goal, it is key to business success. Edelman, the world’s largest PR agency, has been named one of the Top Companies for Executive Women for 2014 by the National Association for Female Executives. Here are the secrets to our success.