At SSENSE, Mathieu was in charge of establishing operational excellence in paid social/paid search through deployment of effective budget management process and performance management principles. He successfully introduced targeted marketing initiatives to elevate user acquisition and engagement:

• Led oversight of $110M+ advertising budget for 700+ luxury fashion brands in 2021 and generated $400M+ in attributed revenue by managing and directing paid search and paid social teams.
• Developed fastest growing channel with +30% year-over-year revenue increase in year 1, +50% in year 2, and +20% in year 3 through application of updated first-party data pipeline and high-velocity testing methodology.
• Facilitated on time completion of impactful projects, such as app user acquisition, upper funnel measurement, Gclid-level optimization, channel expansion, and category expansion by expanding team size from 2 to 7 members in year 2, resulting in revenue growth of +250% in initial year.
• Boosted App revenue from 3% to 15% and strengthened company's revenue streams by designing and delivering mobile app tracking solutions.
• Attained 6-8x return on ad spend and maximized video campaign effectiveness by seamlessly implementing cutting edge cookieless measurement protocol.