SVP of Global Programs for Voce Connect, a Porter Novelli company. In his four years at GM, Mr. Barger focused on social-media content development and community management for online properties such as the marketer’s “FastLane Blog.” He also helped provide internal training in an effort to integrate social media across GM’s marketing initiatives. Before GM, Mr. Barger helped spearhead IBM’s social-media efforts by developing blogs and podcasts.