GroupM picks Karthik Nagarajan as National Director - Social Media

GroupM, the media planning and buying agency of the WPP group, strengthens its social media team with Karthik Nagarajan joining as National Director- Social Media. Karthik joins GroupM today and will be part of Interaction Leadership Team and will report Tushar Vyas, Managing Partner, GroupM South Asia.

With over 10 years of experience in the industry, Karthik Nagarajan has worked as the Director of Nielsen's Online Division in India, which he helped set up. In his role, he led Nielsen's audience measurement, social

Digital arms of GroupM include Mindshare Interaction, Motivator, Maxus Interaction, MEC Interaction, Quasar BMS (Brand and Media Solutions) and Blazar.