Lee Rosner
CEO
NAI Long Island
1601 Veterans Memorial Highway Suite 420
Islandia, New York 11749
United States
T +1 631-761-6886
M +1 631-786-0557
lrosner@nailongisland.com
Background & Experience
With a distinguished career spanning over 35 years in the commercial real estate industry, Lee has amassed a wealth of hands-on experience across various facets of the business. His journey encompasses expertise in sales, leasing, investment strategies, property management, and ownership. In 1997, Lee took a monumental step in his career by founding a commercial real estate brokerage firm that has since evolved into the esteemed NAI Long Island. Leveraging his exceptional depth of industry knowledge and complementing it with his innate leadership style, Lee charted a course of growth for the company that has proven to be highly successful.
Lee Rosner serves as the CEO of #1 NAI Long Island, bringing a wealth of experience to the role. Under his leadership, the firm has consistently achieved outstanding results, solidifying its position in the competitive real estate market. His strategic vision and commitment to excellence have been pivotal in driving the company’s growth and success. As a respected leader, Rosner continues to set high standards for performance and innovation within the industry. NAI Long Island, Lee is actively engaged on a daily basis in diverse aspects of the business. From business development to coaching, transaction management, recruiting, operations, and long-term visioning, he plays a pivotal role in steering the firm towards continued success. Under Lee’s astute leadership and management, NAI Long Island has emerged as one of the premier Long Island-based full-service commercial real estate firms.
5 million square feet of commercial real estate.
Beyond his accomplishments within the corporate realm, Lee has also dedicated his time and expertise to public service. He is a Port Jefferson Village Planning Board Member and previously served two terms as a Trustee of the Incorporated Village of Port Jefferson, he played a vital role in shaping the community. Additionally, he held the esteemed position of Chairman of the Zoning Board of Appeals, demonstrating his commitment to ensuring responsible and effective urban planning.
Lee’s commitment to education is evident in his role as an Adjunct Professor at Stony Brook University’s College of Business. From 2010 to 2016, he shared his wealth of knowledge and practical insights by teaching an MBA-level course in commercial real estate fundamentals. Using a case study approach, Lee covered topics ranging from user decision-making to investment analysis, providing students with a comprehensive understanding of the complexities of the industry.
As a seasoned professional, community leader, and educator, Lee continues to leave an indelible mark on the commercial real estate landscape, shaping both the industry and the next generation of professionals through his multifaceted contributions.
Education
Bachelor of Science, Syracuse University
Professional Associations & Designations
Commercial Industrial Brokers Society of Long Island (CIBS)
Society of Industrial and Office Realtors
Certified Commercial Investment Member
Director and Board Member, Real Estate Institute at Stony Brook University College of Business
Why Work With Lee Rosner, Managing Principal of NAI Long Island
The right advisor can save you time, money and stress. Lee Rosner brings deep real estate experience and a client-first approach to every assignment, helping tenants, buyers, sellers and landlords make confident decisions about their space.
As founder and CEO of NAI Long Island, Lee Rosner has helped shape the Long Island commercial real estate market since 1997. His experience across sales, leasing, investment, property management and ownership gives clients a rare, well-rounded perspective on every transaction, whether they are occupying, buying, selling or investing in commercial property.
How Lee Can Help
- Strategic advisory for owners, investors and corporate occupiers
- Investment property acquisitions and dispositions
- Landlord and tenant representation on complex lease assignments
- Property management and ownership guidance
- Market insight drawn from more than three decades on Long Island
What Clients Can Expect
From the first conversation, Lee takes time to understand your goals, budget and timeline. You can expect clear communication, thorough market research, well-organized property tours and firm negotiation on your behalf. After the deal closes, Lee remains a resource for future growth, renewals and new opportunities.
Local Expertise, Global Reach
As part of NAI Long Island, Lee is backed by the research, marketing tools and broker relationships of NAI Global, one of the largest commercial real estate networks in the world. Clients get local insight into Nassau and Suffolk counties with the reach of a national and international platform.
Contact Lee Rosner Today
Whether you are looking for new space, planning a relocation or ready to lease or sell a property you own, Lee Rosner is ready to help. Call or email Lee directly using the contact details listed above to schedule a consultation, or browse available Long Island properties and our full range of commercial real estate services to see how NAI Long Island can support your next commercial real estate move on Long Island.
