Search Results
Demian Ahn
Partner
Demian Ahn is a member of the firm’s data, privacy, and cybersecurity practice based in Washington, D.C. He leads the firm’s incident response practice and advises companies on compliance, regulatory, and crisis management matters relating to emerging technologies of all kinds.
Josephine Aiello LeBeau
Partner
Josephine focuses on matters related to compliance and enforcement of U.S. export control and sanctions.
Mark Bass
Partner
Mark Bass is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he works with public and private technology companies at all stages of growth. He also represents venture capital funds, private equity firms, and investment banks in financings and public offerings.
Michael S. Casey
Partner
Mike Casey is a dual-qualified, Chambers-ranked (Band 1) partner in Wilson Sonsini Goodrich & Rosati’s London office. His practice focuses on advising clients on sanctions, export controls, anti-corruption, and anti-money laundering issues in investigations, counseling, and compliance matters. In addition, he regularly acts as a specialist in mergers, acquisitions, venture financings, lending arrangements, and other types of corporate transactions. He also frequently advises clients on the UK’s National Security and Investment Act and other foreign direct investment review regimes.
Chambers UK noted that Mike is “a one-stop shop for global sanctions advice” who is “very responsive with his provision of highly commercial advice.” The publication also described Mike as “one of the most experienced practitioners in the market” who “understands and takes into consideration any necessary complexities and understands the importance of commerciality when giving recommendations.”
Mike has led numerous internal and government-initiated investigations involving potential violations of sanctions, export controls, anti-money laundering laws, anti-bribery laws, and fraud laws throughout the world. He has also represented individuals in pending and threatened litigation.
Mike regularly advises clients on a wide range of compliance issues. He works with clients to develop and implement state-of-the-art compliance programs, including corporate policies, training programs, and third-party procedures. Further, Mike assists clients with carrying out due diligence for many types of corporate transactions. He has successfully guided dozens of investors and companies through the NSI Act review process.
Prior to joining Wilson Sonsini, Mike was a partner in the London office of Kirkland & Ellis.
Mike is the author of Sanctions Enforcement and Compliance: A Practitioner’s Guide to OFAC, a treatise published by Bloomberg BNA. Additionally, leading legal publications have published more than 45 of his articles. He has been quoted in numerous publications, including The Wall Street Journal, The New York Times, and Global Investigations Review.
Chambers UK noted that Mike is “a one-stop shop for global sanctions advice” who is “very responsive with his provision of highly commercial advice.” The publication also described Mike as “one of the most experienced practitioners in the market” who “understands and takes into consideration any necessary complexities and understands the importance of commerciality when giving recommendations.”
Mike has led numerous internal and government-initiated investigations involving potential violations of sanctions, export controls, anti-money laundering laws, anti-bribery laws, and fraud laws throughout the world. He has also represented individuals in pending and threatened litigation.
Mike regularly advises clients on a wide range of compliance issues. He works with clients to develop and implement state-of-the-art compliance programs, including corporate policies, training programs, and third-party procedures. Further, Mike assists clients with carrying out due diligence for many types of corporate transactions. He has successfully guided dozens of investors and companies through the NSI Act review process.
Prior to joining Wilson Sonsini, Mike was a partner in the London office of Kirkland & Ellis.
Mike is the author of Sanctions Enforcement and Compliance: A Practitioner’s Guide to OFAC, a treatise published by Bloomberg BNA. Additionally, leading legal publications have published more than 45 of his articles. He has been quoted in numerous publications, including The Wall Street Journal, The New York Times, and Global Investigations Review.
Weiheng Chen
Partner
Weiheng leads Wilson Sonsini's Greater China practice and he focuses on capital markets, M&A, and private equity transactions.
Jocelyn Chow
Partner
Jocelyn Chow is a regulatory and compliance partner in the Hong Kong office of Wilson Sonsini Goodrich & Rosati. With a focus on antitrust, national security, and international trade matters, Jocelyn advises multinational corporations on all aspects of antitrust law, global economic and trade sanctions, export controls, import controls, rules of origin, and foreign investment controls. She works with companies operating across numerous industrial sectors, including defense, bioscience, advanced engineering and technology, aviation, telecommunications and broadcasting, and financial services.
Mark R. Fitzgerald
Partner
Mark is a veteran attorney who advises technology and life sciences companies on corporate law and transactional matters.
Joshua F. Gruenspecht
Partner
Joshua advises domestic and foreign investors, funds, established companies and startups in regulatory, investigative, and enforcement matters.
Jahna Hartwig
Partner
Jahna Hartwig is a partner at Wilson Sonsini Goodrich & Rosati, where she advises domestic and foreign companies on compliance with international trade laws.
Stephen R. Heifetz
Partner
Stephen advises clients on laws and policies at the intersection of international business and national security. He previously served in the U.S. government on the Committee on Foreign Investment in the U.S.
Seth Cowell
Of Counsel
Seth Cowell is Of Counsel in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he counsels and represents domestic and foreign entities in national security-related areas, including matters before the Committee on Foreign Investment in the United States (CFIUS). He also counsels clients on matters relating to federal government contracting under the Federal Acquisition Regulation (FAR) and the Defense Federal Acquisition Regulation Supplement (DFARS), the Foreign Corrupt Practices Act (FCPA), and other laws and regulations concerning domestic and international business.
Jack Davies
Of Counsel
Jack Davies is Of Counsel in the London office of Wilson Sonsini Goodrich & Rosati. His practice focuses on investigations and regulatory compliance matters related to money laundering, economic sanctions, export controls, corruption, and other white collar crime. He also advises clients on the UK’s National Security and Investment Act.
Anne E. Seymour
Of Counsel
Anne Seymour is Of Counsel in Wilson Sonsini Goodrich & Rosati's Washington, D.C., office, where she focuses on issues related to compliance and enforcement of U.S. export control regulations and economic sanctions and U.S. import regulations.
Waqas Shahid
Senior Counsel
Waqas Shahid is senior counsel in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where his practice focuses on advising domestic and foreign clients in regulatory, investigative, compliance, and enforcement matters related to national security.
Grace Beck
Associate
Grace Beck is an associate in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where she focuses on national security and international trade regulatory matters. She advises domestic and foreign entities on matters before the Committee on Foreign Investment in the United States (CFIUS) and other foreign direct investment (FDI) reviews. Grace also counsels clients on compliance and enforcement pertaining to export controls and information and communications technology and services (ICTS) supply chain regulations administered by the Bureau of Industry and Security (BIS), economic sanctions administered by the Office of Foreign Assets Control (OFAC), and anti-money laundering laws administered by the Financial Crimes Enforcement Network (FinCEN) and other financial regulators.
While in law school, Grace served as the legal intern at the U.S. Department of Commerce for the Office of Information and Communications Technology and Services (OICTS) and the Office of Chief Counsel for BIS (OCC/IS), and for the Office of General Counsel at the Defense Intelligence Agency (DIA). Prior to law school, Grace worked as an administrator at a think tank specializing in international affairs and was a restaurateur.
While in law school, Grace served as the legal intern at the U.S. Department of Commerce for the Office of Information and Communications Technology and Services (OICTS) and the Office of Chief Counsel for BIS (OCC/IS), and for the Office of General Counsel at the Defense Intelligence Agency (DIA). Prior to law school, Grace worked as an administrator at a think tank specializing in international affairs and was a restaurateur.