Singh has stepped down from his role as Isobar India media executive vice president.
He earlier held the post of executive vice president at dentsu Webchutney.
Titus Upputuru to take over the role of Taproot dentsu NCD - Gurgaon.
Prior to this, Rana was general manager- strategy & operations at dentsuMB India.
Allows marketers to understand how to use voice as a platform to engage with consumers.