Karthik Nagarajan joins GroupM

GroupM, the media planning and buying agency of the WPP group, has strengthened its social media team with the appointment of Karthik Nagarajan as national director, social media. Nagarajan will be part of GroupM's interaction leadership team and will report Tushar Vyas, managing partner, GroupM South Asia.

Nagarajan has close to 10 years of experience in the industry and was most recently director of Nielsen's online division in India. He led Nielsen's audience measurement, social media and advertiser solution initiatives in the digital space. He also managed the launch of the Nielsen Mckinsey JV - NM Incite, in India.

Karthik joined Nielsen from Shipcom Wireless, a technology company based out of Houston, Texas, where he served as director of marketing. He had also managed a global research and consulting practice for Frost & Sullivan in the United States, in the areas of biometrics, smart cards and RFID.

Commenting on Nagarajan's appointment at Group M, Tushar Vyas said, "Karthik  will  be responsible for strengthening the social media  practices across all agencies of GroupM. His presence will help us  beef up our efforts of understanding the behaviour of digital consumers and meaningful use of such learning in social environment."