Endorphins will closely work with ZStack to deliver a media outreach programme in India.
Shekhar Bajaj to continue as executive chairman of the company.
Roy will report to L&K Saatchi & Saatchi and Publicis Worldwide, India CEO Paritosh Srivastava.
Mohit Burman takes over as non-executive chairman of the company.
Prior to joining the agency, Variyava held a stint with FCB Interface Communications.