About Karen

Karen Giandonato is an award-winning real estate broker with over 20 years of experience helping buyers and sellers succeed in Oak Brook and Chicago’s western suburbs. Recipient of the 2025 International Sterling Award, Karen is recognized for her market expertise, strategic marketing, and exceptional client care. A longtime Oak Brook resident with nearly three decades of personal ties to the community, Karen brings unmatched local insight to every transaction. She specializes in luxury homes, downsizers, and first-time buyers, offering personalized guidance from the first conversation through closing and beyond. Clients value Karen’s strong negotiation skills, clear communication, and deep commitment to protecting their home’s value. Her background in sales and marketing, combined with her certifications as a Global Luxury Specialist and Certified Negotiation Specialist, ensures every client receives informed, strategic advice. If you’re buying or selling in Oak Brook or the western suburbs, Karen delivers the experience, market knowledge, and results you deserve.