Meet our Team
Meet our team of licensed, professional commercial real estate agents here at NAI Long Island. Proudly serving Nassau and Suffolk Counties in New York.










At NAI Long Island, we understand the importance of having a dedicated and experienced team behind the success of our commercial real estate and property management services. With a focus on Long Island’s unique and diverse real estate market, we take great pride in introducing you to the talented professionals who make it all possible. Meet our remarkable team:
Lee Rosner – Managing Principal of the Brokerage:
Lee Rosner, the driving force behind our company, has an unparalleled passion for commercial real estate. With years of experience and a deep understanding of Long Island’s dynamic market, Lee serves as the cornerstone of our brokerage. His vision, leadership, and strategic insight have consistently delivered exceptional results for our clients.
Neil Crawford – Senior Director and Property Manager:
Neil Crawford is the embodiment of dedication and expertise when it comes to property management. He oversees our properties with precision, ensuring they are maintained at the highest standards. Neil’s meticulous attention to detail and commitment to excellent tenant relationships are key factors in our consistently high occupancy rates.
Brian McGuire – Senior Director, Specializing in Industrial and Office Property in Nassau and Suffolk County:
Brian McGuire is a specialist in industrial and office properties within Nassau and Suffolk County. His in-depth knowledge of the local market, combined with his extensive industry network, allows Brian to offer tailored solutions for clients looking to buy, sell, lease, or manage commercial properties. His track record of success in these areas is unparalleled.
Marian Campi-Conde – Specializing in Office Space in Central, Northern, and Eastern Suffolk County:
Marian Campi-Conde is our go-to expert for office space in the central, northern, and eastern regions of Suffolk County. Her deep-rooted connections in these areas, combined with her understanding of the specific needs of businesses, make her an invaluable asset to our team. Marian’s commitment to finding the perfect office space for our clients sets her apart.
Why Choose Our Team at NAI Long Island:
Our team members are more than just real estate professionals; they are dedicated partners on your journey to success. When you choose to work with us, you benefit from:
Local Expertise: Our team’s extensive knowledge of Long Island’s commercial real estate market ensures that you receive the most accurate and up-to-date information.
Tailored Solutions: Each member of our team specializes in a specific region or property type, allowing us to offer tailored solutions that meet your unique needs.
Strong Industry Connections: With years of experience and a wide network of industry contacts, we can connect you with the right people to make your real estate transactions seamless.
Commitment to Excellence: We are committed to delivering the highest level of service to our clients, whether you’re a property owner, tenant, or investor.
Transparency and Trust: We believe in open and honest communication. You can trust us to provide straightforward advice and guidance throughout the process.
At NAI Long Island, we understand the complexities of the commercial real estate and property management industry. We recognize that each client’s needs are unique, and our team is here to navigate the intricacies of the market, ensuring you achieve your goals.
Whether you’re looking to lease a new office space, manage your commercial property, or buy and sell assets, our team is ready to partner with you on your journey. Get in touch with us today to meet our team personally and discuss your commercial real estate and property management needs. We look forward to helping you achieve your real estate aspirations on Long Island.