Karthik S. brings over 17 years of experience in the digital advertising ecosystem, with a career focused on programmatic media, platform-led advertising, and digital investment strategy. His experience spans leadership roles across major global advertising and technology platforms.
Prior to his current role, Karthik served as Head – Digital Investments at GroupM, where he led strategic digital media investments and helped optimise performance across multiple programmatic and data-driven advertising channels. His work involved managing large-scale digital budgets while ensuring campaigns delivered measurable results through advanced targeting and analytics.
He also worked as Senior Program Manager for Amazon DSP at Amazon, where he contributed to expanding programmatic advertising capabilities and supporting brands in leveraging Amazon’s data-driven advertising ecosystem.
With deep expertise in automated media buying, programmatic platforms, and digital campaign optimisation, Karthik has played a key role in helping brands navigate the rapidly evolving advertising landscape, where data, automation, and AI-driven insights are increasingly shaping marketing outcomes.
As digital advertising continues to shift toward programmatic and platform centric ecosystems, experienced leaders like Karthik S. are helping organisations refine strategies that balance technology, data intelligence, and media performance.
Bottom line: Karthik S.’s extensive experience in programmatic advertising and digital investment strategy reinforces the growing importance of data-driven leadership in today’s digital marketing landscape.
