Search Results
Jose M. Campos
Partner
Jose Campos is a partner in Wilson Sonsini’s London office, where he focuses on advising U.S. and European technology start-ups and scale-ups through all stages of their U.S. life cycle, including incorporation, venture capital financings, mergers and acquisitions, and other strategic transactions. He also supports investors that invest in technology companies. He is well-versed in assisting non-U.S. technology companies with their U.S. expansion plans and “flipping” into U.S. holding companies. Jose’s broad and varied experience gives him unique insight into advising technology companies on their growth and expansion plans.
Benjamin J. Capps
Partner
Ben helps public and private life sciences companies at all stages of development with corporate governance and transactional matters.
Deirdre Carroll
Partner
Deirdre Carroll is a partner in the Brussels and London offices of Wilson Sonsini Goodrich & Rosati, where her practice focuses on global mergers, agency investigations, and compliance counselling. She also works closely with Wilson Sonsini’s data protection and privacy team to provide clients with integrated, strategic advice on data-related antitrust counselling and digital platform regulation, including the EU’s Digital Markets Act.
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.
Kassandra K. Castillo
Partner
Kassandra K. Castillo practices corporate and securities law in the San Diego office of Wilson Sonsini Goodrich & Rosati, where she serves as outside general counsel and advises life sciences and technology companies at all stages of development. She works closely with entrepreneurs to counsel them through initial company formation issues, day-to-day corporate governance matters, venture capital financing transactions, and liquidity events. She also counsels venture capital funds on structuring and executing investment transactions and managing their existing portfolio companies.
Jonathan Chan
Partner
Jonathan represents technology-driven clients in corporate and transactional matters.
William B. Chandler III
Partner
Mr. Chandler represents clients in governance matters, committee assignments, internal investigations, and transactional matters.
Barath R. Chari
Partner
Barath Chari is a partner at Wilson Sonsini Goodrich & Rosati. Barath represents technology companies at all stages of growth, from bootstrapped start-ups to leading global enterprises, in complex business transactions involving technology and intellectual property. He also has deep experience in assisting technology companies and their investors with mergers, acquisitions, divestitures, and financing matters. A Washington, D.C., transplant resident in the firm’s San Francisco office, Barath understands how the federal government transacts with technology companies, and helps technology companies sell products to federal government customers and collaborate with the federal government on research and development. He also leverages his pre-law experience as a software engineer to provide informed legal advice on technical topics such as open source software.
Daniel Chen
Partner
Daniel Chen is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he focuses on privacy, cybersecurity, and data processing matters. Daniel works closely with clients to navigate complex compliance risks and challenges, including in connection with the use of data and data-driven products and services. He also has extensive experience advising clients on mergers, acquisitions, spin-offs, securities offerings, strategic partnerships, data licensing arrangements, service engagements, and other commercial transactions.
Weiheng Chen
Partner
Weiheng leads Wilson Sonsini's Greater China practice and he focuses on capital markets, M&A, and private equity transactions.
Christopher Chiou
Partner
Chris Chiou is a litigation partner in the Los Angeles office of Wilson Sonsini Goodrich & Rosati. He represents clients in high-stakes complex commercial litigation and investigations, with an emphasis on business disputes. Chris is experienced in all stages of litigation, from counseling clients before lawsuits are filed through trying cases before juries. He also leads internal investigations on behalf of corporations and advises them on compliance issues, including providing Foreign Corrupt Practices Act training to executives at multinational companies. Chris is certified by the International Association of Privacy Professionals in information privacy and data protection.
Before joining the firm, Chris served as Acting U.S. Attorney for the District of Nevada. As the district’s chief federal law enforcement officer, he oversaw criminal and civil cases brought on behalf of the United States, including financial litigation cases, and prosecuted cybercrime (particularly ransomware and business email compromise), white collar crime, and public corruption. In 2021, Chris served on a nationwide task force to determine how the U.S. Department of Justice can more effectively combat hate crimes and hate incidents.
Chris was previously a partner at Jenner & Block, where he helped start the Los Angeles office in 2009.
Before joining the firm, Chris served as Acting U.S. Attorney for the District of Nevada. As the district’s chief federal law enforcement officer, he oversaw criminal and civil cases brought on behalf of the United States, including financial litigation cases, and prosecuted cybercrime (particularly ransomware and business email compromise), white collar crime, and public corruption. In 2021, Chris served on a nationwide task force to determine how the U.S. Department of Justice can more effectively combat hate crimes and hate incidents.
Chris was previously a partner at Jenner & Block, where he helped start the Los Angeles office in 2009.
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.
Matthew Christiansen
Partner
Matt Christiansen is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he is a member of the energy and climate solutions practice. As a former general counsel at the Federal Energy Regulatory Commission (FERC) and one of the nation’s leading energy regulatory attorneys, Matt represents a diverse range of clients, including independent power producers, hyperscalers and other large energy consumers, and trade associations, both before FERC and in the development of energy and digital infrastructure, such as data centers.
He has extensive experience with major FERC proceedings involving energy market rules, generator and load interconnection procedures, and the development of electric transmission facilities and natural gas infrastructure. Matt specializes in crafting novel arguments that combine his unparalleled experience at FERC with his understanding of the relevant statutes, regulations, and court precedent, as well as in representing clients at every stage of the regulatory proceeding, including initial pleadings, rehearing requests, and appeals, where necessary.
Matt also represents clients in negotiations involving the development of both energy infrastructure and digital infrastructure. He has particular expertise in negotiating FERC-jurisdictional agreements and in applying his experience with the relevant rules and regulations to secure the most favorable outcome for his clients.
As FERC’s general counsel, Matt oversaw a team of more than 200 lawyers on all manner of adjudicatory and rulemaking matters and was involved in nearly every aspect of the commission’s work, including supervising the its activity in federal courts throughout the country. He has extensive knowledge of FERC rules and regulations under the Federal Power Act and Natural Gas Act, particularly with respect to energy markets and the development of electric transmission facilities and interstate natural gas pipelines.
Prior to becoming general counsel, Matt was a legal advisor to FERC Commissioner Richard Glick and an attorney-advisor in FERC’s Office of General Counsel. Before joining FERC, Matt served as a law clerk to the Honorable Stephen F. Williams of the U.S. Court of Appeals for the D.C. Circuit and the Honorable Jesse M. Furman of the U.S. District Court for the Southern District of New York.
Matt is a lecturer in law at Yale Law School, where he teaches Advanced State and Federal Electricity Law.
He has extensive experience with major FERC proceedings involving energy market rules, generator and load interconnection procedures, and the development of electric transmission facilities and natural gas infrastructure. Matt specializes in crafting novel arguments that combine his unparalleled experience at FERC with his understanding of the relevant statutes, regulations, and court precedent, as well as in representing clients at every stage of the regulatory proceeding, including initial pleadings, rehearing requests, and appeals, where necessary.
Matt also represents clients in negotiations involving the development of both energy infrastructure and digital infrastructure. He has particular expertise in negotiating FERC-jurisdictional agreements and in applying his experience with the relevant rules and regulations to secure the most favorable outcome for his clients.
As FERC’s general counsel, Matt oversaw a team of more than 200 lawyers on all manner of adjudicatory and rulemaking matters and was involved in nearly every aspect of the commission’s work, including supervising the its activity in federal courts throughout the country. He has extensive knowledge of FERC rules and regulations under the Federal Power Act and Natural Gas Act, particularly with respect to energy markets and the development of electric transmission facilities and interstate natural gas pipelines.
Prior to becoming general counsel, Matt was a legal advisor to FERC Commissioner Richard Glick and an attorney-advisor in FERC’s Office of General Counsel. Before joining FERC, Matt served as a law clerk to the Honorable Stephen F. Williams of the U.S. Court of Appeals for the D.C. Circuit and the Honorable Jesse M. Furman of the U.S. District Court for the Southern District of New York.
Matt is a lecturer in law at Yale Law School, where he teaches Advanced State and Federal Electricity Law.
Yang Chu
Partner
Yang Chu is a corporate partner in the Hong Kong office of Wilson Sonsini Goodrich & Rosati. He has extensive experience advising clients on a broad range of corporate matters, including Hong Kong IPOs and follow-on equity and debt offerings, public and private M&A transactions and privatizations, and pre-IPO and cross-over financings. Yang also counsels Hong Kong-listed companies on post-listing compliance, corporate governance, executive compensation, and related regulatory matters.
Yang’s practice is focused on clients in the healthcare, life sciences, technology, media, consumer, and retail sectors, including corporates and their respective founders, executives, and private equity and venture capital investors.
Prior to joining the firm, Yang was a capital markets partner in the Hong Kong office of another international firm.
Yang is fluent in both Mandarin and English, and is conversational in Cantonese.
Yang’s practice is focused on clients in the healthcare, life sciences, technology, media, consumer, and retail sectors, including corporates and their respective founders, executives, and private equity and venture capital investors.
Prior to joining the firm, Yang was a capital markets partner in the Hong Kong office of another international firm.
Yang is fluent in both Mandarin and English, and is conversational in Cantonese.
Kenneth A. Clark
Partner
Ken focuses on life sciences clients and often acts as outside legal counsel to biotechnology companies and their boards.