Over the past year Andrea Greenberg , the vice president for marketing at Fortune International , a developer in Miami , lured 600 to 1,000 prospective clients to receptions for Jade Residences at Brickell , an oceanfront condo tower in Miami , by offering them a chance to hobnob with representatives of prominent fashion designers and merchants , including Ferragamo , Missoni , Neiman Marcus and Saks Fifth Avenue . ''