Irina specializes in tax structuring of cross-border debt and equity transactions, alternative investment funds and investment management companies, international taxation of securities and private capital. She is also the editor of The Tax Trotter, a blog that provides tax insights from around the world.

Before joining Sullivan, Irina was a partner at EY where she served as a lead international tax service partner for private equity, credit and multi-strategy asset management firms with $2bln to $300+ bill AUM. In addition to her structuring and transactional practice, Irina developed programs to reduce organizational tax risk and optimize global effective tax rate for companies and family offices.

Representative Client Work

  • Structured distressed debt and infrastructure credit funds; assisted a large institutional asset manager with structuring a loan origination fund, based on investor type, with some of the options resulting in 0% effective tax rate
  • Advised private equity firms on the implications of the 2017 Tax Cuts and Jobs Acts for its portfolio companies; assisted private equity firms with diligence and structuring of new investments including in the life science and high-tech industries
  • Advised mutual fund managers on transfer pricing, informational reporting, withholding tax reclaim and tax compliance matters related to cross-border securities trading and fund structures
  • Designed and implemented ASC 740 assessment and documentation processes for multiple hedge funds and institutional asset managers
  • Structured investment vehicles for sovereign wealth funds and tax-exempt investors
  • Advised on foreign investment in real estate and natural resource assets worldwide, airplane leasing structures, CLOs and other asset securitization vehicles
  • Advised on global workforce projects, including payroll, intellectual property management, taxable presence and individual tax implications of expatriate assignments
  • Advised on U.S. and international tax implications of litigation finance strategies
  • Assisted investment managers with setting up investment management companies in the UK, Singapore, Hong Kong, New Delhi and Chile, among others
  • Advised high-net-worth individuals (HNWI) and executives on global relocation, estate management matters and succession planning. Structured private businesses, including acquisitions, divestitures for HNWI and family offices and advised on tax implications of their investment portfolios and real estate holdings

Bar & Court Admissions

  • New York


  • LL.M., International Taxation, New York University School of Law
  • J.D., Saint Petersburg State University

Community Engagement

  • NYC Bar Committee on Taxation of Business Entities
  • Wall Street Tax Association
  • International Bar Association
  • New York City Bar Association
  • American Bar Association, Taxation and Science and Technology Sections
  • International Fiscal Association, US Branch
  • Boston Women’s Leadership Summit


  • Russian

Awards & Honors

The Legal 500 U.S., 2021


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