Timothy Cadogan, vice president of search at Yahoo, figures there are at least 150 companies working as search engine marketers, including Efficient Frontier, Performics, Avenue A and Iprospect.
Nigel Morris is CEO of Aegis Media Americas and EMEA, one of the biggest media and marketing services companies globally, overseeing Carat, iProspect, Vizeum, Copernicus, Team Epic, Posterscope The Story Lab, ICUC, and RoundarchIsobar.