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Vishak Nag Ashoka

Vishak Nag Ashoka

Vishak Nag Ashoka is a Senior Director of Engineering specializing in retail media and in-store advertising technology, with more than 15 years in ad tech. He is a named contributor to the IAB DOOH & In-Store Retail Media Playbook (2024) and the IAB DOOH Measurement Guide, and leads engineering for in-store retail media and digital out-of-home ad experiences at national scale.

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Recent Contributions


Before you cut the in-store budget, ask how the number was built

by Vishak Nag Ashoka — Senior Director Of Engineering, Walmart

An under-measured channel and an underperforming one produce the same return on ad spend. They call for opposite decisions.

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