Interview with Mark Schaefer
Onalytica B2B
DECEMBER 11, 2017
based Schaefer Marketing Solutions, he specializes in marketing strategy and social media workshops. In 2015 Mark was the seventh-most mentioned person by CMO’s on Twitter and is among the Top 10 most re-tweeted marketing authorities in the world. The most influential person in my professional life has been Peter Drucker.
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