The Arnold & Porter capital markets practice regularly advises on a broad range of equity offerings including initial public offerings, private placements and secondary offerings. The team is also well regarded for its work for sovereigns, state-owned companies and international financial institutions on sovereign bond issuances, liability management transactions, derivatives operations and refinancings. The practice is co-led by New York-based Michael Penney and Christopher Peterson. Johnson advises clients on securities transactions and compliance matters, Penney is noted for his corporate expertise. Teresa Johnson  departed the firm in February 2026.
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Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®

Key clients

  • Republic of Türkiye
  • Republic of Hungary
  • Republic of Colombia
  • Republic of Panama
  • Adobe Inc.
  • Republic of El Salvado
  • Federative Republic of Brazil
  • Central Bank of Brazil
  • Brazilian National Treasury
  • Republic of Honduras
  • Enovix Corporation
  • Complete Solaria, Inc.

Work highlights

Advised The Republic of Turkey on completing nine offerings.
Represented the Republic of Hungary in U.S. dollar debt issuances, including three recent offerings.
Advised the Republic of Colombia on global finance matters, including two first issuances of social bonds in international capital markets.
Practice head

Michael Penney; Christopher Peterson