NEW YORK CITY — Paradysz Inc., an audience development agency, has signed a lease expansion at 5 Hanover Square for the 11th floor. The company now occupies 45,000 square feet of space on the 6th, 7th and 11th floors. Paradysz assists clients with understanding, targeting and acquiring customers using business intelligence and media research tools. Todd Korren of Savanna and Frank Cento of Cushman & Wakefield represented the landlord, Savanna, in the transaction. Brian Weld of Cassidy Turley represented the tenant.