The Simon Property Group has announced a pair of significant changes to its Dadeland Mall management team. Irma Castor (left), who has been with the company in various capacities in Texas, has been named manager at Dadeland Mall, while former Dadeland general manager Maria Prado has been promoted to southeast region vice president. Castor will be in charge of leasing, negotiation of contracts, staff supervision, implementation of mall marketing programs, sales analysis and community relations. Castor has been with the Simon company for over 14 years and most recently served as manager for the high-volume La Plaza Mall and Palms Crossing center on the Texas-Mexico border. Prado has been with Simon for over 17 years and has worked at Miami International Mall, Shops at Sunset Place and Dadeland. In her new position she will oversee 13 properties in southern Florida.