One of PRWeek's 40 under 40 in 2012, Heidi Sullivan is currently vice president of Global Media Research for Cision and a self-proclaimed social media metrics nerd. She oversees Cision’s Social Media Community team, manages the enhancement and maintenance of Cision’s media database of over a million media outlets, journalists and influencers and serves as a member of Cision’s executive management team. Sullivan is a host of the popular Cision Social Media Webinar Series, a blogger for Cision Blog and frequently speaks at industry conferences and events on best practices in social media, communications and the changing media landscape.