Since Jayne Wallace has taken over as VP of corporate communications at Virgin Mobile, she's shepherded the company through some of its heftiest PR challenges. Wallace has ushered Virgin Mobile through its IPO, its acquisition of Helio, and a transition away from its long-time firm.

In January, Virgin Mobile switched PR agencies, naming Shift Communications its AOR, to focus more strongly on social media and its newly launched post-paid phone service. And earlier this year, Virgin Mobile, like all sectors of ...