As NAI James E. Hanson’s leasing and investment sales businesses continue to thrive, the New Jersey-based commercial real estate firm announces the promotion of four of its executives. All four brokers – Barry J. Cohorsky, SIOR, Jeffrey DeMagistris, SIOR, Thomas A. Vetter, SIOR and Hal B. Messer, MSRE – will hold senior vice president positions within the company.