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Work experience


Senior Manager

Deloitte Tax LLP
Oct 1988Nov 2008

Senior Tax Counsel Investment Management, Priv. Equity & Hedge Funds

Lehman Brothers
Dec 1986Sep 1988

Tax Associate

Whitman & Ransom
Nov 1984Nov 1986

Tax Associate

Carro Spanbock Fass Keller & Cuiffor




New York University School of Law


Franklin Pierce Law Center


Long Island University, C.W. Post Campus


University of Maryland College Park


Reading, Movies, Skiing, Weightlifting, Kiteboarding, Traveling


Dean Marsan who is both an attorney and certified public accountant spent 20 years with the financial services investment banking firm, Lehman Brothers Inc. As Senior Tax Counsel with Lehman Brothers Inc., Dean Marsan reviewed joint venture, partnership, and other profit sharing agreements, such as equity participations, guaranteed payments, earn-outs, and various fee structures, to assess and mitigage the firm’s tax risks and to enhance the Firm and its investors after-tax returns . In doing so, Dean Marsan developed and implemented U.S. and SALT (e.g., economic nexus) tax guidelines designed to moderate taxation for taxable investors, as well as foreign investors and and other tax exempts investors (e.g., pension funds). As a member of Lehman Brothers’ Global Corporate Tax Research and Planning group, Dean Marsan was responsible for tax diligence and planning related to tax structuring, negotiating, and implementing multiple purchases and sales of domestic and international businesses. Mr. Marsan leveraged his knowledge of the tax law and his experience as a CPA to navigate taxable asset or stock transactions, as well as tax-free reorganizations, spinoffs, and liquidations. In cases where Lehman Brothers participated as an advisor, bridge or mezzanine lender, or equity participant, Dean Marsan reviewed the terms of the deals and increased the after-tax IRR for many transactions at the same tim mitigated the federal, state and local and international tax risks. In many cases, Mr. Marsan was instrumental in designing complex structures through offshore partnership vehicles, blocker entities and other legal entities utilizing CTB planning to obtain a basis step-up, address the availability of NOL carryovers under Section 382 and other tax attributes (e.g., foreign tax credits). Dean Marsan is admitted to practice law in New York State and the District of Columbia. Mr. Marsan is also a certified public accountant in Maryland and New Hampshire. Dean Marsan is a member of the New York State Bar Association – Tax Section, the Association of the Bar of New York City-Tax Section, the Wall Street Tax Association, the Tax Executives Institute and the America Bar Association Tax Section.

"Dean Marsan is aware that his name has been used in harrassing and fraudulent e-mails. These matters have been reported to the relevant authorities including the police and are being investigated."

Professional Organizations

Admitted to Practice Law: New York State Bar, 1982, District of Columbia Bar, 1983 Certified Public Accountant, Maryland, 1978, New Hampshire, 1981