New York-based office landlord SL Green Realty Corp. leased 28,448 square feet of space at its One Vanderbilt Ave. development project in New York City's Midtown East neighborhood to middle-market private equity firm Sentinel Capital Partners LLC.

The 15-year lease encompasses the entire 51st floor of the 1,401-foot office tower, which is already 59%-leased ahead of its opening in August 2020.

Newmark Grubb Knight Frank represented Sentinel in the transaction, while CBRE represented SL Green.