Tom O’Sullivan is SVP of Client Engagement at DATA POEM, where he leads enterprise partnerships powered by causal AI-driven marketing analytics. With 35+ years in data-driven marketing — including senior roles at Nielsen and Analytic Partners — Tom brings deep expertise in Enterprise Growth Marketing and marketing optimization. He has a proven track record helping leading brands including The Home Depot, P&G and General Motors unlock measurable ROI by moving beyond traditional measurement to understand the true causal drivers of sales and business performance.