Schaefer, Mark
Author,
Return On Influence & The Tao of Twitter
Mark W. Schaefer is a globally-recognized blogger, educator, business consultant, and author who blogs at {grow} - one of the top marketing blogs of the world. Mark has worked in global sales, PR, and marketing positions for nearly 30 years and now provides consulting services as Executive Director of U.S.-based Schaefer Marketing Solutions. His clients include both start-ups and global brands such as Cisco, AT&T, Johnson & Johnson, and the UK government.
He is the author of two best-selling marketing books, Return On Influence and The Tao of Twitter. In 2012, he was named by Forbes magazine as one of the Top 50 social media "power influencers" of the world.
Website: businessGROW