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Sean Cohane

Sean Cohane is an Adjunct Assistant Professor and the Founder of TSJ Holdings LLC, a privately held, vertically-integrated multi-family real estate investor, operator, property manager, and consultant that owns and finances properties across New York City. Founded in 2008, the company targets students, young professionals, and those looking for an economic alternative to prime New York City locations. Investment is realized through cash flow, refinance proceeds and sale of the repositioned asset. Sean’s unique relationships with multi-family owners, has resulted in decades long track record of strong returns for investors.

Prior to founding TSJ, Sean was a Vice President at Garnet Capital (“GCA”). While at GCA Sean managed client-origination, multi-family loan sales and FDIC loan sale efforts. He had been involved in over 200 such transactions; his asset brokerage experience includes credit cards, installment loans, mortgages, and multi-family loan products. Sean also initiated and was co-head of GVA’s West Coast and Las Americas loan portfolio sales and advisory business. Sean was a leading figure in the marketplace for all types of whole loan asset trades.

Prior to his role at Garnet, Sean initiated the Upper Manhattan Multi-Family Investment Sales Platform at Marcus & Millichap (NYSE: “MMI”). While at MMI, Sean sourced, underwrote, and sold over $1 billion in New York based multi-family. Sean received national sales awards and was a leading figure in the marketplace for all types of multi-family trades. He has written for and been widely quoted in numerous industry publications. He is a frequent speaker at industry-sponsored events.

Throughout his career, Sean has managed and trained teams of acquisition, sales, development, construction, and management professionals. He has sourced, sold, and directly managed over $2 billion in over 200 transactions including the acquisition of 18 multi-family buildings in North Brooklyn and Queens. Sean has worked through all stages of real estate and finance, including sourcing, due diligence, financing, construction, refinancing, property management, asset management, and disposition.

Sean received a B.A. from Boston College and received a Master’s in Real Estate Development from Columbia University, where he was the recipient of Columbia GSAPP’s Hank Bell Entrepreneurial Award.


Course Semester Title Student Work Instructor Syllabus Requirements & Sequence Location & Time Session & Points Call No.
Pla4538‑1 Fall 2023
Real Estate Entrepreneurialism For Architects, Builders, Developers, Buyers & Sellers
Sean Cohane
F 3 PM - 5 PM
3 Points