Marco Sideri

Partner – CohnReznick Advisory LLC
Marco Sideri has extensive experience advising top-tier private equity firms, venture funds, hedge funds, and other alternative asset managers on complex tax matters and delivering tax co-sourcing and outsourcing solutions for asset and wealth managers.

Experience and credentials

Certified Public Accountant
Expertise comprises tax compliance, complex transaction work, preparing and reviewing complex book-to-tax calculations, portfolio company transaction analyses, quarterly fund estimates, FDAP and ECI withholding calculations, and partnership and corporate tax forms
Additional experience includes establishing and advancing tax technology and transformation initiatives, leveraging tools such as Alteryx, Python, and generative AI (LLMs) to enhance automation, accuracy, and scalability of tax processes
Former Managing Director and Co-Leader of Private Equity Tax Co-Sourcing Practice at a top 10 accounting firm.
15+ years at a Big Four firm in Financial Services practice

Education

M.S., Accounting – Boston College
B.S., Accounting & Economics – Boston College
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