Consistently ranked as the top-producing individual broker at Sotheby’s International Realty, Serena Boardman has sold in excess of $5 billion during her career. Serena is well-known for her deal-making expertise, extreme professionalism, and her encyclopedic knowledge of the Upper East Side’s market for top echelon properties, as well as an ability to create synergies between buyers and sellers in off-market deals. Both Real Trends and the Real Deal have regularly ranked Serena