Mark W. Schaefer
Program 156 Mark W. Schaefer, the author of The Tao of Twitter (2011 with new editions in 2012 and 2014), Return On Influence (2012), Born to Blog (2013), Social Media Explained (2014), and The Content Code (2015), is a globally-recognized educator, speaker, business consultant, and author. His well-known blog {grow} (www.businessesGROW.com), is one of the…

