Jonathan Klein, President
Jonathan Klein has been in the professional management business for 20 years, working with both commercial and residential properties. Before joining Wentworth, he spent nearly a decade running his own development and management business, working as both builder and manager of commercial properties. After that experience, he worked for one of Manhattan’s premiere residential management firms. In 1999, after serving for several years as board president of his New Jersey condominium, Jonathan joined Wentworth, his condo’s management firm, as Executive Vice President. Two years later he was promoted to President. He currently oversees Wentworth’s New York operations from their Brooklyn office, where they manage over 150 residential properties with a staff of about 70 employees.

Steven Hyatt, Executive Vice President
Steven Hyatt entered the property management business in the “not for profit” sector, managing an array of counseling offices and homes for special needs children throughout the state. In 1985, he went to work for a Long Island City management company, which provided unique insight about managing properties cost-effectively, while still maintaining an optimal quality of life for residents. Steve later worked with a large residential management firm in Brooklyn, managing every type of property, including FHA 213, Mitchell-Lama, cooperative, condominium and rental buildings. In 1999, Steven was designated Chief Operating Officer and Executive Vice President of Wentworth Management. In 2001, he obtained a certificate from the NYS Department of Housing and Community Renewal in “Energy Management Practices” and continues to research this important area of the business, keeping abreast of current trends and developments.

Donna Mantin, Director of Management, Mitchell-Lama Division
Donna Mantin has been with Wentworth for nearly 20 years. After eight years serving as board member, treasurer and president of her Mitchell-Lama co-op, she was hired as Assistant Property Manager, and became Director of Management in 2002, specializing in Mitchell-Lama properties. Her management experience includes every kind of residential property from FHA 213 rentals to luxury cooperatives. She is tireless in her pursuit of higher education, having received a Master’s Degree in Education and spending years as a school teacher. In management, she holds a Registered Apartment Manager (RAM) certification from the Institute of Real Estate Managers (IREM), Accredited Management Specialist (AMS) certification from the Community Associations Institute (CAI), and is a federally certified OSHA trainer and inspector.

Michael Eisenstein, Controller
Since 2003, Michael Eisenstein has been Controller at Wentworth, overseeing the in-house accounting staff and working directly with client board members on financial planning, budgeting and reserve fund investing. Michael attends most client properties’ annual meetings and serves as a liaison between boards and their accountants, as well as their other financial advisors. Before joining Wentworth, Michael worked with one of Manhattan’s largest co-op and condo management firms for seven years, starting as an accountant, and working his way up to controller. Michael is a specialist in real property management accounting, real estate software and New York City’s co-op and condo tax abatement programs. He is also a licensed New York State insurance broker. His four years as Treasurer of his Long Island co-op, as well as a degree in Accounting, have served him well on the job.

Sally Ann Pollio, Executive Administrator
Sally Ann Pollio has been with Wentworth for 12 years, starting as a receptionist in 1993, and working her way up first to assistant to the Vice President in 1996, and then Executive Administrator in 1999. In her present role at Wentworth, Sally Ann coordinates many aspects of the company’s administrative and organizational demands. Her hands-on experience and commitment to the business, along with Wentworth’s preference for promoting from within, led her to her current position in the firm. Before joining Wentworth, Sally Ann spent ten years working on Wall Street.