Wilma has 28 years experience in media research, auditing and consultancy. She was responsible for audience and media research at GfK Intomart and Initiative, was MD of Media Audits and is co-founder of Ebiquity's Netherlands office.

Geert has 15 years experience in media auditing and consultancy. Before Ebiquity he was at Media Exposure and Media Audits, and is a co-founder of Ebiquity's Netherlands office with Wilma de Haas.