Leigh-Alexandra Basha focuses her practice on domestic and international tax and estate planning. She counsels an affluent international client base on a wide range of sophisticated matters, including estate and trust administration, family wealth preservation, foreign trust planning, tax compliance, as well as business succession, expatriation, and pre-immigration planning. Leigh is head of the firm’s Washington, DC, Private Client Practice Group.

Leigh was an adjunct professor of wills, trusts and estates at American University Washington College of Law. She lectures and has written extensively about international tax and estate planning issues, and is editor of A Guide to International Estate Planning: Drafting, Compliance, and Administration Strategies, Second Edition.

Amy C. Pimentel (CIPM) advises clients on the legal, regulatory, and governance challenges that arise at the intersection of privacy, cybersecurity, and technology. She helps organizations navigate evolving global requirements while developing practical strategies that enable innovation, manage risk, and support business growth. Amy is particularly skilled at translating complex legal and regulatory frameworks into operational solutions that work across jurisdictions, products, and business functions.

Amy serves as a strategic advisor to companies developing, deploying, and scaling technology-driven products and services. She counsels clients on artificial intelligence (AI) governance, data strategy, privacy compliance, cybersecurity, and digital product development, helping them harness emerging technologies responsibly and effectively. Working across industries — including health care and life sciences, technology, financial services, media/social media, and consumer products — Amy partners with legal, product, engineering, and executive teams to embed privacy, security, and responsible AI principles throughout the product lifecycle. Her practical, business-focused approach helps clients bring innovative products to market while navigating an increasingly complex regulatory environment.

In addition to regulatory and product counseling, Amy advises on technology, data, and cybersecurity issues in commercial transactions, outsourcing arrangements, strategic partnerships, and corporate transactions. She drafts and negotiates complex technology and data agreements, conducts privacy and cyber due diligence, and counsels clients on third-party risk management, data commercialization, security incidents, and regulatory investigations. By combining deep regulatory knowledge with a strong understanding of emerging technologies, Amy helps clients address today’s challenges while preparing for the risks and opportunities of tomorrow.

Richard C. Call focuses his practice on a broad range of state and local tax matters, including litigation, advisory, and transactional work. He represents clients in proceedings before administrative bodies, trial courts, and appellate courts across multiple jurisdictions.

Corporate Income Tax Litigation and Transactions: Richard has significant experience with all major areas of corporate income tax, advising clients on complex issues such as nexus, apportionment, addbacks, transfer pricing, and combination . He represents clients on transfer pricing and alternative apportionment issues in various states, including Alabama, Louisiana, and South Carolina. He also regularly works with clients to evaluate and efficiently structure state income and franchise tax related to mergers, acquisitions, and other strategic transactions.

Sales Taxes and Company Business Models: Richard advises clients on sales tax issues that are affecting their overall business models, helping companies structure transactions to mitigate sales tax exposure, which often results in significant savings. As states increasingly expand the taxation of software, digital products, and services, he assists companies in identifying and managing their exposure to such taxes, particularly in advance of mergers, acquisitions, and other liquidity events.

Personal Income Tax Residency: Richard routinely advises clients on residency for various states, including New York, Massachusetts, California, and Illinois

Speeches and Publications: Richard frequently speaks on state and local tax issues and has presented before organizations such as the NYU SPS Annual Institute on State and Local Taxation, the Council On State Taxation, the Tax Executives Institute, and the Practising Law Institute. He also publishes frequently on state and local tax topics, with articles appearing in several publications, including Tax Notes State, Bloomberg BNA Weekly State Tax Report, Bloomberg BNA Multistate Tax Report, Tax Executive, Journal of State Taxation, Boston Business Journal, and NYU SPS Annual Institute on State and Local Taxation.

John T. Lutz advises clients on the tax aspects of investment funds, structured finance, derivatives and structured products. He also counsels clients on matters related to insurance products, investment tax credits, conventional US and cross-border securities offerings, and corporate mergers and acquisitions. John represents a number of tax-exempt organizations in connection with their investment activities and incentive compensation arrangements.

John handles all aspects of tax-advantaged financings and investments for financial institutions, investment fund managers, high net worth individuals, and investors. He represents banks and investment managers in connection with asset backed securities including collateralized loan obligations, structured notes, and repackagings.

John is a recognized leader in the tax aspects of municipal derivatives and tax-exempt bond securitizations. He provides tax advice to derivative products dealers in the domestic and cross-border contexts, advising on US and international tax issues related to insurance products, equity swaps, repurchase agreements, structured notes, and offshore structured finance vehicles.