Lorenz Haselberger
Image of Lorenz Haselberger

Lorenz Haselberger

Partner

Email

lorenz.haselberger@aoshearman.com

Phone

+1 212 848 7122

Offices

New York

Social

LinkedIn

V-CARD

Lorenz is a transactional tax generalist whose practice focuses on the taxation of financial institutions and instruments, private credit and direct lending, debt restructuring, domestic and cross-border mergers and acquisitions, joint ventures and minority investments as well as financings, securitizations, synthetic risk transfers (SRTs), complex derivatives and capital markets transactions.

He regularly advises major financial institutions, sovereign investors, hedge funds, private equity funds, family offices and domestic and multinational companies and is ranked in Chambers USA and in Legal 500 USA.

He also supports the firm’s Latin America practice, representing sovereigns, companies, underwriters and dealer managers in complex liability management, debt restructuring, capital markets and derivative transactions, and was ranked by Latin Lawyer in July 2025 as among the “most active international partners” in Latin America across all practice areas.

He is a member of the Executive Committee of the New York State Bar Association Tax Section, Former Chair of the Financial Institutions and Products Committee of the American Bar Association and a member of Tax Forum.

He regularly speaks on and moderates panels for industry organizations including the New York State Bar Association, the American Bar Association, the Wall Street Tax Association, the Institute of International Bankers and the International Tax Institute. He also has authored articles and bar reports on a range of tax topics, which have been cited in Congressional Committee reports as well as seminal tax treatises including Bittker & Lokken: Federal Taxation of Income, Estates and Gifts, Hennessey, Yates, Banks & Pellervo: The Consolidated Tax Return and Conlon & Aquilino, Principles of Financial Derivatives.

From 2012 to 2013, he served as a judicial clerk to the Honorable Patrick Higginbotham on the U.S. Court of Appeals for the Fifth Circuit.

Expertise

Industries

Experience

Representative matters

Mergers and acquisitions
  • GE HealthCare Technologies in its collaboration with Gentuity LLC, a Massachusetts-based medical technology company specializing in next generation intravascular imaging devices.
  • Intercontinental Exchange, Inc. in connection with its USD13.1b merger with Black Knight, Inc. and in various other acquisitions and dispositions. 
  • Mubadala in its acquisition of a majority interest in Fortress Investment Group.
  • Despegar.com Corp. in its USD1.7b sale to Prosus N.V.
  • JetBlue Airways Corp. in its terminated acquisition of Spirit Airlines for approximately USD3.8b.
  • A biomedical and biotechnology company in its USD1.75b acquisition of Baylis Medical Company Inc.
  • U.S. private equity firm in connection with various stock and asset acquisitions, dispositions and tax-free reorganizations.

Liability management and debt restructuring
  • Various non-U.S. banks in billions of dollars of U.S. commercial mortgage loan restructurings.
  • Six international banks in connection with innovative USD9b principal tender offer in respect of Republic of Colombia bonds and total return swap transaction with the Republic of Colombia.
  • Five international banks in negotiating USD 2b repurchase transactions with Banco Central de la República Argentina (BCRA). These transactions were crucial in bolstering the U.S. dollar reserves of BCRA at a critical time in Argentina’s history, increasing BCRA’s capacity to confront external shocks and minimizing potential disruption in the local market.
  • Brazilian airline Azul S.A. in connection with a comprehensive USD2.25b debt restructuring.
  • Sovereign and private bond issuers, underwriters and dealer-managers in various complex debt restructurings and liability management transactions.

Funds, co-investments and JVs
  • Mubadala in the expansion of its global partnership with Apollo to support the Apollo Capital Solutions business and in various other credit platforms, JVs, co-investments, fund investments and transactions.
  • Various sovereign wealth funds and offshore investors in their global investments, including private equity, credit, infrastructure, energy and real estate funds.

Tax advisory
  • Various major U.S. and non-U.S. banks, broker-dealers, financial exchanges and fintech companies in connection with financial products and services and digital assets.
  • Various major U.S. hedge funds and U.S. and non-U.S. family offices in connection with inbound equity, derivative and credit investments, digital assets and general tax planning.
  • Financial institutions in connection with IRS letter ruling requests.

 

Published Work

  • Haselberger, Lorenz and Romanova, Elena, (2024) “Report on Proposed Regulations Identifying Basket Contract Transactions as Listed Transactions”, New York State Bar Association Tax Section
  • Haselberger, Lorenz, and Shulman, Michael (2024) “Holding Nothing Back: Everything We Know About Withholding on Derivatives”, Tax Notes Federal
  • Haselberger, Lorenz, (2023) “Report on Notice 2023-27 and Nonfungible Tokens (NFTs)”, New York State Bar Association Tax Section
  • Shulman, Michael and Haselberger, Lorenz, (2022) “Report on Cryptocurrency and Other Fungible Digital Assets”, New York State Bar Association Tax Section
  • Goodman, Corey and Haselberger, Lorenz, (2020) “Stop BEATing Up Your Brother-Sister”, Tax Notes Federal
  • Goodman, Corey and Haselberger, Lorenz, (2020) “Stop BEATing Up Your Brother-Sister, Part 2”, Tax Notes Federal
  • Haselberger, Lorenz, (2013) “Toward a Regulatory Solution to FLP-Driven Transfer-Tax Avoidance”, Harvard Law Review

Speaking Engagements

  • Panelist, „US One Big Beautiful Bill – Auswirkungen auf US-Inbound- und Outbound-Investitionen,“ Betriebs-Berater Expert-Talk, September 2025
  • Panelist, New Issues in Section 1256, Commercial Real Estate Mortgage Loan Restructurings and Taxation of Crypto ETFs, Wall Street Tax Association 2025 Spring Tax Conference, May 2025
  • Panelist, Federal Income Tax Considerations for Investors and Traders in State Carbon Credits, Foreign Currency, and Other Non-Securities, Non-Digital Property, 2024 ABA Spring Tax Meeting, May 2025
  • Panelist, Stock Buyback Tax, Box Spread ETFs, Tax Issues in Private Credit and Intercompany Lending/Implicit Support, Wall Street Tax Association 2024 Spring Tax Conference, May 2024
  • Podcast Guest, Navigating Complex Crypto and DeFi Taxes, Chainalysis “Public Key” Podcast (available on Spotify and Apple Podcasts), April 2024
  • Panel Chair, Tax Considerations for Cryptocurrency and Other Digital Assets, NYSBA Tax Section 2024 Annual Meeting, January 2024
  • Moderator, Big Bad Debt: The Application of Sections 166 and 165 to Intercompany Financings, ABA 2023 Fall Tax Meeting, October 2023
  • Panelist, Withholding and Reporting, Institute of International Bankers Annual Tax Seminar, September 2022
  • Panelist, International Tax Issues Surrounding Digital Assets, International Tax Institute, June 2022
  • Panelist, Section 1446(f), Crypto Liquidity Pools, ESG Derivatives and Legislative Update, Wall Street Tax Association 2022 Spring Tax Conference, May 2022
  • Moderator, Recent Developments in the Taxation of Digital Assets, ABA 2022 May Tax Meeting, May 2022
  • Panelist, NFTs, DeFi Transactions and Other Virtual Currency Transaction Issues, ABA 2022 May Tax Meeting, May 2022
  • Panelist, Crypto and Digital Assets – Tax Considerations for Financial Institutions and Investors, ABA 2021 Fall Tax Meeting, September 2021
  • Panelist, Crypto and Digital Assets – Tax Considerations for Financial Institutions and Investors, AR Bar Association Mid-Year Meeting, November 2021
  • Panelist, Special Issues Affecting ISDA Master Agreements, SIFMA Symposium, October 2015
  • Panelist, An In-Depth Overview of the Application of FATCA and 871(m), SIFMA Symposium, November 2014

Leadership Positions And Professional Affiliations

  • Executive Committee, New York State Bar Association Tax Section 
  • Former Chair, Financial Institutions and Products Committee, American Bar Association 
  • Member, Tax Forum

Recognition

“Lorenz is a trusted advisor. He is brilliant and an absolute pleasure to work with.”
Client feedback, Chambers USA 2025
“He is extremely driven to achieve results for his clients.”
Client feedback, Chambers USA 2025

Awards

  • Up and Coming, New York: Tax, Chambers USA, 2025
  • Next-Generation Partner, Tax: Financial Products, Legal 500, 2025

Qualifications

Admissions

New York, 2013

Academic

B.A., summa cum laude, University of Pennsylvania, Phi Beta Kappa

J.D., cum laude, Harvard Law School, Supervising Editor, Harvard Law Review

Languages

German
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.