VNU is one of the world's largest reasearch and media conglomerates. Since VNU's acquisition of Nielsen and ACNielsen in early 2001, CooperKatz has helped the senior management of the combined company communicate its direction and strategy to its global employee base. CooperKatz produced the first ACNielsen Day video (for employees around the world) since the VNU acquisition; the VNU Media Measurement and Information Leadership Conference, a meeting of the top worldwide leadership tream that convenes every other year; and several management meetings for specific businesses within the overall company.