Just in time for Opening Day of baseball season, it's Collection One of the Social Pros All-Stars. What makes someone a social media professional? Is it their skills? Their experience? Their job history? In this collection of 27 B2C big-brand social pros (drawn from guest on the popular Social Pros podcast) Jay Baer and Convince & Convert team documented the backgrounds of 27 leading social media managers. The commonalities (and lack of commonality) among them may surprise you.