Seth G. Weinstein established Hannah Real Estate Investors to focus his capital and time on projects he felt were important in the context of a nimble business structure.

Seth began his career with International Property Counselors in 1978, serving a clientele of European investors seeking to acquire New York real estate. Shortly thereafter, he formed Lexington Development Group in Manhattan with Scandinavian investors. Seth served as President and then Chairman of Lexington, actively managed the company's success through innovative development projects from Vermont to Georgia.

In 1995, Seth co-founded Clearview Investment Management with Charles Mallory to pursue opportunities in the Connecticut marketplace. As Principal of Clearview, he purchased and redeveloped several major office buildings and successfully executed transformational and creative development projects that not only added enormous value to the properties but also dramatically improved the surrounding communities and the environment. Clearview also acquired the waterfront Greenwich Harbor Inn and transformed it into the Delamar Hotel and L'Escale restaurant. The hotel was voted one of the best new hotels in the world.

Seth holds a degree from Columbia University, where he received the John Jay Cross memorial prize for economic research. He was elected to the Columbia College senior society of Sachems and Phi Beta Kappa and graduated with honors Summa Cum Laude.