NEW YORK: The Interactive Advertising Bureau has announced the departure of ceo Greg Stuart. He has been in post since 2001 and will step down at the end of the year.

Comments Jim Spanfeller, ceo of the Association of National Advertisers: "Greg has been a tremendous leader of the IAB and has done a fantastic job on behalf of the entire interactive industry. We wish him great success in his future endeavors."

The IAB was founded in 1996 and represents more than 250 leading interactive ad companies. Its remit includes standards and guidelines for online ad measurement.