Was president for North and West India prior
He will take on the role in addition to his position as APAC, Middle East and Africa head.
Agreement ends case of alleged minority oppression by WPP Singapore and Grey Group.
He has been Apac chairman and CEO since 2009
Watch the ad films conceptualised by Grey Group India here
Lulla will come on board later this month; Sen, who joined the agency in 2007, was elevated as CEO in 2011
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