Gerald is the Founder of Knewledge, an agency offering performance marketing services. Gerald is a pioneer in the Belgian internet landscape. 13 years ago, he believed in the rise of search engines and developed a business model around it. His vision proved right because Publicityweb, the Search Engine Marketing agency he created and managed since 1999 was considered a key player in the search engine marketing landscape. With more than 15 years online marketing experience, Gerald has an extensive knowledge of SEO, SEM, Display Advertising, Affiliate Marketing and WebAnalytics. Gerald was also previously, General Manager of Hi-Media Belgium and author of the book "Référencer et Promouvoir son Site".