Jamie Posnanski is the CEO of MediaSense, a global marketing advisory that elevates the performance of creative, media, and analytics for the world’s leading brands. Drawing experience from a 25-year career working within large-scale marketing transformations – first as a founder of digital agency avVenta, and later as a senior executive at Accenture Song (formerly Interactive) – Jamie leads a team of 230 specialists who provide consulting to C-suite leaders across marketing operations and models, partner selection and performance, and media auditing and analytics.

Jamie’s strategic approach to growing the value of companies through operational efficiency, and leveraging technology ecosystems and growth channels, has led him to work with PE and VC firms to develop growth-stage companies and disruptive startups. His early experience as a professional athlete has shaped much of his philosophy on what makes winning teams and sustains performance. Jamie is from Charleston, South Carolina, and is married with three children. He is based in London.