Emery Brewer, Eric Ritter and Ivo St. Kovachev were named to manage the Driehaus International Growth portfolio by Driehaus Capital Management Inc., Chicago. The team replaces William Andersen, who is leaving next week to manage his personal investments, according to a company statement. Mr. Brewer remains manager of the Driehaus Emerging Markets Fund and co-manager of the Driehaus International Discovery Fund, with Mr. Ritter. Mr. Ritter also will remain manager of the Driehaus Asia Pacific Fund. Mr. St. Kovachev will remain manager of the Driehaus European Opportunities Fund.