Brand Marketing David Berkowitz Is Not the Son of Sam [Video] He's the CMO of MRYBy Adweek Staff|August 23, 2013 Share By Adweek Staff|August 23, 2013 Share If you're going to win at social media, growing up sharing the name of an infamous serial killer may encourage you to learn a whole different level of social skills. The charming David Berkowitz explains how he's getting the message across for MRY. Adweek Adweek