Foley Hoag LLP has announced the elevations of Joseph Klingler, Andrew London, Michael McQueeny, Shailesh Sahay and Diana Tsutieva to partnership status at the firm, effective January 1, 2023.

"These exceptional lawyers are key members of some of the firm's top practice areas – healthcare, life sciences, clean energy, cannabis, and international disputes," said Foley Hoag Managing Partner Jim Bucking. "We welcome them to the partnership and celebrate their success."

  • Joseph Klingler (Washington, D.C.). International Litigation & Arbitration. Klingler represents sovereign States and State-owned entities before the world's principal dispute resolution bodies. He has helped sovereign States protect their interests in high-stakes public international law and international arbitrations. An expert on treaty interpretation, Klingler is co-authoring the 3rd Edition of Oxford University Press' preeminent volume Treaty Interpretation.
  • Andrew London (Boston). Healthcare, Life Sciences. London concentrates his practice on litigation arising from federal and state healthcare regulation and state Attorney General investigations. He advises providers, payers, and drug and device manufacturers in complying with regulations; litigating challenges to statutes and administrative decisions; and resolving investigations by regulatory agencies. London also counsels clients regarding compliance with Massachusetts state ethics, lobbying, and campaign finance law.
  • Michael McQueeny (New York). Cannabis. McQueeny helps clients navigate complex cannabis regulatory infrastructures to ensure their specific business goals are compliant with governing rules. He provides counsel to startups and multi-state operators on issues associated with legislative/regulatory development and compliance, and assists in drafting and securing competitive state cannabis permits. McQueeny helps clients nationally, with a specific focus on New York, New Jersey, and Connecticut.
  • Shailesh Sahay (Washington, D.C.). Energy & Climate. Sahay directs legal and policy strategy on climate, environmental, and sustainability issues at the federal, state, and international levels. As one of the leading energy and environmental attorneys in the nation, he represents clients in a variety of industries, helping them shape laws through legislative and regulatory advocacy, and maximizing value under established legal frameworks by obtaining regulatory approvals and ensuring regulatory compliance.
  • Diana Tsutieva (Washington, D.C.). International Litigation & Arbitration. Tsutieva is a leading practitioner in international arbitration and litigation, recognized by Who's Who Legal - Arbitration as a Future Leader in the field. She advises governments and State-owned entities in investment treaty arbitration, international litigation, and public international law matters, and advises both state and private entities in international commercial arbitrations and litigation.