NAI James E. Hanson Further Strengthens Leadership Team with Promotions of Allessio, Ericksen and Kirshenbaum

Teterboro, N.J. (October 12, 2022) – NAI James E. Hanson, the largest New Jersey-based full-service independent commercial real estate firm, announces the promotions of Justin Allessio, William Ericksen and Andrew Kirshenbaum to the role of Associate Vice President.

Since joining NAI James E. Hanson in the winter of 2017, Alessio has entrenched his place within the firm on a team alongside Andrew Somple, SIOR, senior vice president, and Jessica Curry. Specializing in industrial and office leasing, sales and investments within northern New Jersey and the Tri-State area, Allessio has completed 47 transactions spanning 12 sales and 35 leases totaling over 1M square feet for a combined value of over $100M. A graduate of Rutgers University – New Brunswick, Allessio is also a Master in Commercial Property (MiCP).

William Ericksen joined NAI James E. Hanson in 2019 and has solidified himself as a true specialist in the acquisition and disposition of industrial and office facilities. Working alongside the award-winning team of Scott Perkins, SIOR, CCIM, and Christopher Todd, SIOR, Ericksen provides brokerage services to local users and owners, as well as advisory services to investors, international organizations and institutional clients. A graduate of Rutgers University – New Brunswick, Ericksen has played a vital role in the completion of 20 transactions that includes six sales and 14 leases totaling over 758,000 square feet valued at over $135M.

Completing the growth of the firm’s leadership team is Andrew Kirshenbaum. Joining NAI James E. Hanson in 2015, Kirshenbaum has demonstrated an ability to provide clients value across multiple sectors including medical office and industrial. Kirshenbaum has also recently solidified his role as a specialist within the highly competitive northern New Jersey medical office space market. Over his seven years with the firm, Kirshenbaum has completed over 37 transactions throughout his tenure comprised of 25 leases and 12 sales totaling 430,000 square feet valued at over $46M. A graduate of Ithaca College, Kirshenbaum is a member of multiple professional organizations including the Industrial Office Real Estate Brokers Association (IOREBA) and the Morris County Economic Development Corporation (MCEDC) among others.

“It takes unique characteristics for a broker to make their mark in New Jersey’s ultracompetitive commercial real estate market,” said William C. Hanson, SIOR, President of NAI James E. Hanson. “Justin, Will and Andrew have all made exceptional strides throughout their time at the firm and it’s because of their continued effort on a daily basis, dedication to serving their client’s specific needs and commitment to those within this firm that they’re progressing onto the next phase of their careers. We’re so very proud of their progress and expect great things for all three moving forward.”

To stay connected with NAI James E. Hanson and for updates on the latest transactions and news, please follow NAI Hanson on Facebook, Twitter, and LinkedIn.

About NAI James E. Hanson

Since 1955, NAI James E. Hanson has been a leading independent full-service brokerage commercial real estate and property management firm serving a diverse client list. NAI Hanson offers its clients strategic solutions and provides comprehensive value-added services such as office, industrial and retail brokerage, investment sales, land sales, management, government services and financing expertise.

NAI Hanson is also one of the original members of NAI Global, an international commercial real estate network with over 300 offices spanning the globe. For more information on NAI James E. Hanson, contact William C. Hanson, SIOR, at the company’s Teterboro office at 201-488-5800 or visit

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