Leonard Berkowitz Esq.Managing Director

Len is the Managing Director of Riverside TACS. In this role, Len provides sophisticated international tax advice and cost segregation services to a broad array of clients.

Len has over twelve years of experience as a tax practitioner. Throughout his career, Len has worked with his clients to structure their investments, operations and businesses in a tax efficient and economically viable manner.

Len’s clients have included large multi-national corporations, investment funds, small and medium sized business entities, and high net worth individuals. His experience with these diverse clients facilitates his ability to understand his clients’ needs no matter their size or their structure, and enables him to provide practical tax advice and meaningful tax savings for his clients.

Len began his career at PwC where he specialized in the financial services sector advising hedge funds, private equity funds, real estate and infrastructure funds, and other investors with respect to cross-border investments in a wide range of asset classes. Len devised structures to mitigate the impact of withholding taxes and allow for the tax efficient repatriation of income.

Thereafter, Len moved to McGladrey where he continued to advise investment funds, but also serviced many other businesses. Len worked closely with the firm’s M&A practice to consult on various tax matters including due diligence, structuring, tax efficiency enhancements and post-closing implementation support. Len was also McGladrey’s Northeast FATCA leader and assisted clients in managing their reporting requirements.

Most recently, Len was a senior manager at Mazars USA where he helped lead the international tax group. Len was responsible for providing international tax advice to the firm’s diverse client base. In this capacity, Len worked closely with the firm’s real estate group to develop and implement tax strategies and models directed at reducing the effective tax rate for internationally focused real estate clients. Len also worked with the firm’s other market segments to provide international tax advice on a wide variety of tax matters. In particular, he advised on transfer pricing matters, export tax incentives, outbound and inbound tax structuring, international IP planning, and global mobility issues.

Len has spoken at several professional conferences on various tax matters.

Len received his Bachelors of Science in Accounting from Touro College, and his JD from Fordham University School of Law. He is admitted to the New York State Bar

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