Viacom18 COO Raj Nayak will step down after seven years at the company. Viacom18 did not specify why Nayak was leaving. He will leave the company in February 2019.

Nayak had joined in 2011 as the CEO of Colors. In May 2017, he was promoted to COO from being the head of Hindi channels Colors and Rishtey. Earlier this year, he led the revenue portfolio of Viacom18’s broadcast business.

Before joining Viacom18, Nayak founded the media consulting and sales & marketing firm ‘Aidem Ventures’ in 2011. He served as the CEO of NDTV for over seven years starting in 2002. Prior to that, he served as a sales and marketing executive at Star TV for close to 10 years.

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Flipkart has appointed former human resources head for Sony Pictures India Smriti Singh as its chief human resources officer, reports the Economic Times. ET adds that the post had been vacant for 18 months since former COO Nithin Sethi left. Flipkart CEO Kalyan Krishnamurthy told employees in an email that Singh will be responsible “for our people, talent, rewards, and L&D charter.” Singh will report to Krishnamurthy.

She was the HR head at Sony Pictures India where she joined in 2011 as senior VP of human resources. She has served as an HR leader at NBC Universal for Asia-Pacific, and Genpact at their New York office, and also with General Electric and Xerox India.