New York

NEW YORK CITY — JLL has negotiated a 75,825-square-foot office lease at 245 Park Avenue in Midtown Manhattan. The tenant, Tradeweb Markets (NASDAQ: TW), will occupy the entire 29th and 30th floors of the 1.8 million-square-foot building. David Kleiner, Michael Berg, Will McGarry and Finley Burger of JLL represented the tenant in the lease negotiations. Patrick Murphy, Bruce Mosler, Tara Stacom, Harry Blair, Ron LoRusso, Justin Royce, Pierce Hance and Will Yeatman of Cushman & Wakefield represented the landlord, SL Green.

NEW YORK CITY — Law firm Emery Celli Brinckerhoff Abady Ward & Maazel LLP (ECBAWM) has inked a 6,000-square-foot office lease expansion at Rockefeller Center in Manhattan. The deal raises the firm’s footprint within the 34-story building at 1 Rockefeller Plaza from 16,000 to 22,000 square feet. Zev Holzman of Savills and Paul Revson of Emerald Realty represented ECBAWM in the lease negotiations. The landlord, Tishman Speyer, was represented internally.

NEW YORK CITY — Orrick, Herrington & Sutcliffe has signed a 15-year, 144,312-square-foot office lease renewal in Midtown Manhattan. The law firm will continue to occupy six floors at 51W52, a 38-story, 900,000-square-foot building. Howard Fiddle, Scott Gottlieb, Andrew Sussman, Evan Haskell, Evan Fiddle and Caroline Merck of CBRE represented the landlord, Harbor Group International, in the lease negotiations. Mary Ann Tighe, Craig Reicher, Ramneek Rikhy and Elliot Bok, also with CBRE, represented the tenant.