PARSIPPANY, NJ—Jones Lang LaSalle has completed two new leases totalling more than 23,000 sq. ft. of space at Accordia Realty Ventures LLC’s Greenbrook Executive Center, located at 100 Passaic Ave. in Fairfield, N.J.

The building owner, Accordia Realty Ventures, was represented in both transactions by Jonathan Meisel, managing director, and Fred Hyatt and Derek DeMartino, vice presidents, all with JLL.

In the first transaction, Bederson and Co. LP signed a 10-year, 15,500-sq.-ft. lease of commercial office space. The company will occupy a portion of the third floor, to which it is relocating from two separate offices in West Orange, N.J. The tenant was represented by David Sherman and Marc Tervison, executive vice presidents with Cushman & Wakefield.

In the second transaction, National Life Insurance Co. signed a five-year, 7,731-sq.-ft. lease of office space, which will serve as a new New Jersey branch office. The tenant was represented in-house in the transaction.

Totalling 202,200 sq. ft. of office space, Greenbrook Executive Center is a class-A office propertylocated across from Essex County Airport. The building earned the Office Building of the Year Award in 2011 by the New Jersey chapter of the Building Owners and Managers Association.