Brand MarketingCALENDARBy Adweek Staff|March 25, 2002ShareBy Adweek Staff|March 25, 2002ShareMINNEAPOLIS/March 28The American Institute of Graphic Arts’ Minnesota chapter presents Tim Larsen of Larsen Design + Inter active on “One Leap Ahead of the Spears.” Time: 11:45 a.m. At International Market Square. For info, call (612) 339-6904. CHICAGO/April 5The Broadcast Adver tising Club of Chicago and the Cable Adver tising Bureau host a two-part seminar that starts with breakfast at 9 a.m. at the Marriott Hotel, 540 N. Michigan Ave. The luncheon speaker is Geraldine Laybourne, CEO of Oxygen Media. For info, visit www.bacchicago.com. CHICAGO/May 4The 13th Bozo Ball at Navy Pier will raise money for the Off the Street Club and WGN-TV Children’s Charities. Featuring entertainment from KC and the Sunshine Band. For info, contact Diana Dionisio at (773) 883-3412. Send news about upcoming events to Adweek, 200 W. Jackson, Ste. 2700, Chicago, IL 60606. Adweek Adweek