William Sitar Sr.
Principal
A U.S. Marine Corps veteran, Bill Sitar began building and managing commercial properties in 1963 and has been shaping the industry ever since. His commitment to quality, attention to detail, and deep market knowledge have earned him the trust of clients across generations. Over the decades, he has developed a strong network of industry partners and community relationships that continue to drive the company’s success.
Douglas Sitar, Esq.
Principal
Doug Sitar is an attorney and real estate executive specializing in the management of diverse commercial, residential, and mixed-use properties throughout New Jersey. As a principal of Twin Brook Management, LLC, he leads a multidisciplinary team to deliver strategic oversight, operational efficiency, and exceptional client service. With more than three decades in real estate and law, Doug combines legal expertise with practical management experience to maximize property performance and value.
William Sitar Jr., Esq.
Principal
Bill Sitar Jr. brings over 30 years of combined real estate and legal expertise to his role as Principal. He has successfully completed numerous complex transactions and has sold, leased, and managed millions of square feet across a wide range of property types, including multifamily, retail, warehouse, office, self-storage, and land development. Known for putting his clients’ best interests first, Bill has built lasting relationships that lead to repeat business and long-term trust.
Jannine Rutherford
Account Manager
As Account Manager at Twin Brook Management, LLC, Jannine builds and maintains strong relationships with property owners, tenants, and service providers. She combines real estate expertise with a focus on efficiency to keep properties well-managed and financially sound, delivering responsive service that maximize property value and client satisfaction.
Michael Harrison
Property & Asset Manager
With over 20 years of on-the-job field experience directly related to management, customer service, estimating and quality control, Mike Harrison is well versed in all phases of construction and maintenance. He is highly capable in managing tasks, contractors, employees, and scheduling to accomplish any project.