Marzena Castillo is a top-producing Geneva, IL real estate agent with Baird & Warner. Marzena also specializes in the real estate needs of St. Charles, Batavia, South Elgin, Oswego, North Aurora, West Chicago, Elburn, and more. Whether you're upsizing, downsizing, or moving out of state, Marzena's goal is simple: to make your home sale smooth, ...