Sam Callahan, former Senior Counsel in the White House Office of Management and Budget (OMB), helps companies, trade associations, nonprofit organizations, and public officials navigate consequential ...

Peter Schildkraut co-led the firm's Technology, Media & Telecommunications industry team from 2019 to 2025. He provides strategic counsel on AI regulation, governance, and policy as well as spectrum ...

Tom Wilson, described as "very much one to watch. A highly competent, diligent and personable corporate lawyer" and "genuinely excellent" by The Legal 500 (2022), advises on a wide range of corporate ...

Join Arnold & Porter's Consumer Products & Retail Industry Group for the next program in our Consumer Products & Retail Navigator webinar series, focused on the regulatory pressure points in M&A that ...

Eugenia Pierson, chair of the Legislative & Public Policy practice group, assists a wide range of clients in the development and implementation of legislative and regulatory strategies. As senior ...

On September 29, 2026, President Trump signed Executive Order 14434, “Inaugurating the Era of Super Intelligence” (the EO), later published at 91 Fed. Reg. 63129 on October 2, 2026. The EO directs ...

Yasmine Harik advises clients facing complex, cross-border merger reviews and government investigations into alleged anticompetitive conduct. She represents corporations in several dynamic industries, ...

Matt Tabas has extensive experience handling clients' most complex antitrust issues. A Chambers-ranked practitioner, his practice focuses on government reviews of mergers and acquisitions, antitrust ...

Sandra Rizzo's practice focuses on energy regulation, litigation, and enforcement. Her clients include data center developers and other large loads, electric utilities, power marketers, independent ...

Ethan Shenkman is a partner in the Environmental Practice Group and co-chairs the Firm's Energy & Infrastructure Industry group, where he represents a diverse array of clients in trial court and ...

Since June 2026, the U.S. Department of Agriculture (USDA) has proposed a sweeping overhaul of the regulations implementing the Agricultural Foreign Investment Disclosure Act (AFIDA), including a ...

Gregory Harrington is the head of Arnold & Porter’s Sovereign Finance practice and coordinates the firm’s Latin America Corporate & Finance practice. He has extensive experience in major international ...