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374342

Practice:

  • Tax
  • Tax Advocacy

Laurent Olleon Partner Tax, Tax Advocacy

Paris

Laurent Olléon, Partner in the Paris Office, is a member of the Tax Group.

Laurent advises companies and private individuals on the tax aspects.

Laurent intervenes alongside his clients with legal and financial issues, both in terms of advice and litigation situations perspective.

Laurent deals with numerous issues in various fields: the tax consolidation system and, more generally, intra-group relations, the handling of bilateral tax treaties, the taxation of financial transactions, property taxation and local taxation, etc.

His recognized expertise in abuse of rights enables corporate tax directors, financial investors and individuals to better secure their investment choices and structuring their transactions. In addition, his intimate knowledge of tax litigation is a major asset for clients.

Laurent has advised many ministries and public institutions on legislative and regulatory developments and their implementation, which gives him an extensive practical vision of both public and private law. His past experience has allowed him to manage and draft legislative bills, which makes him an expert on administrative and parliamentary machinery.

Before joining Orrick, Laurent was a judge of the Conseil d’État and assessor at the Court’s ninth Chamber of the litigation section of the Conseil d’État, worked as deputy Chief of staff of Marylise Lebranchu, the French Minister for the Civil Service, State Reform and Decentralisation and Chief of staff of Anne-Marie Escoffier, Deputy Minister of Decentralisation.

350098

Practice:

  • Cyber, Privacy & Data Innovation
  • Technology Companies Group
  • Technology Transactions

Colin Hinds Managing Associate Cyber, Privacy & Data Innovation, Technology Companies Group

London

Colin is a Managing Associate in our Cyber, Privacy and Data Innovation practice, based in London.

Working with clients particularly in the technology and data-rich sectors, Colin advises on data privacy and cybersecurity matters including cross-border transfers; data breach, cyber-incident response and regulatory investigations; privacy impact assessments and audits; global compliance strategies; and data governance matters.

In particular, Colin regularly advises clients with their commercial activities which involve utilizing and exploiting data, and personal data, on a large scale. This includes drafting and negotiating agreements, including data processing and data sharing agreements and identifying and advising on legal and regulatory risks.

Colin helps clients address their privacy and consumer protection obligations as they relate to direct marketing activities, profiling, online behavioural advertising and the use of cookies and similar technologies.

Colin also has experience in M&A and capital markets transactions, assisting deal teams by advising on privacy, data protection and other deal-related requirements.

Prior to joining Orrick, Colin worked for a U.S. regulatory consulting firm, supporting clients with regulatory issues relating to data privacy, cybersecurity and antifraud.

14095_740x360

Practice:

  • eDiscovery & Information Governance
  • Cyber, Privacy & Data Innovation
  • Global Investigations
  • FCPA & Anti–Corruption
  • Complex Litigation & Dispute Resolution
  • Class Action Defense

Jeffrey McKenna Senior eDiscovery and Privacy Attorney eDiscovery & Information Governance, Cyber, Privacy & Data Innovation

San Francisco

Jeffrey McKenna, CIPP US/E is an eDiscovery and Privacy Attorney in the San Francisco office of Orrick, Herrington & Sutcliffe. Jeffrey consults with Orrick attorneys and clients on eDiscovery strategy and data privacy issues, including issues related to pending or threatened litigation and cybersecurity.

Jeffrey has experience advising large organizations on privacy issues related to internal investigations and discovery, including issues related to HIPAA, the HITECH Act, and state specific privacy laws, as well as international data protection and state secrets issues.

Jeffrey works with outside counsel and information technology professionals to advise clients in all stages of discovery and to assist in proactive E-Discovery and data privacy planning using effective, efficient and repeatable strategies to get the best results, while minimizing risk and reducing cost. His litigation experience includes all aspects of civil litigation in state and federal courts, including post-trial motions and appeals.

Jeffrey has extensive experience retaining and supervising outside vendors on behalf of clients who will handle sensitive data, including reviewing the terms of their service agreements to ensure compliance with appropriate privacy and security requirements. He also has experience in false advertising, unfair business practices, insurance coverage and bad faith, securities, contract disputes, intellectual property, class action litigation, leading foreign language review teams and assisting with internal investigations into potential violations of the Foreign Corrupt Practices Act (FCPA). He has been engaged in these capacities by Fortune 100 companies, major financial institutions and technology companies. In 2013, Jeffrey was selected as a Northern California "Rising Star" by Super Lawyers Magazine.

Jeffrey also devotes a portion of his practice to pro bono matters.

Prior to joining Orrick, Jeffrey was a senior associate at Skadden, Arps, Slate, Meagher & Flom, LLP. His practice focused on complex commercial disputes, class action defense, and related eDiscovery and data privacy issues.

8164_740x360

Practice:

  • Patents

Karen G. Johnson-McKewan Partner Patents

San Francisco

Our tech company clients survive and thrive by rapid invention and evolution, often faster than the law can keep up. Litigating for these companies therefore demands as much art as science. An industry that pulses with creativity and constant pressure to change needs an attorney who is part litigator and part visionary.

Karen specializes in litigation that crosses the boundaries between traditional legal practices, and therefore requires inventive and strategic approaches. These solutions, tucked in the creases between law and industry, are why leading technology and Fortune 500 companies hire Karen to resolve their most complex litigation.

Over the past 32 years, Karen has first-chaired state and federal trials, and arbitrated more than a dozen disputes. She manages intellectual property and commercial matters for companies such as Oracle, NVIDIA, Netflix, VMWare and Levi Strauss & Co.

In addition to her legal background, Karen’s relationship management skills give her clients a significant advantage. She knows how to pull together and lead the best team, from multiple disciplines within Orrick, and often involving multiple law firms. An example is as co-lead of Orrick’s Automotive Technology & Mobility group, she brings together the best creative and strategic legal minds with companies changing the future of transportation. Able to unite what were, and will be, competing firms into a single powerful unit takes a special type of leadership, one which Karen has demonstrated time and again.

390511

Practice:

  • Intellectual Property

Andrew Treptow Associate Intellectual Property

Silicon Valley

Andrew Treptow is a litigation associate at Orrick's Silicon Valley Office. His practice focuses on intellectual property matters.

Before joining Orrick, Andrew was a Special Assistant United States Attorney in the Southern District of California, serving in the criminal division, and concentrating on border crimes. He made over one hundred appearances in federal district and magistrate court.

Andrew also served in the United States Marines, and is a combat veteran of Iraq and Afghanistan. His final military assignment was at the Pentagon as the senior special assistant to the Counsel for the Commandant of the Marine Corps.

17802_740x360

Practice:

  • Oil & Gas
  • Renewable Energy
  • M&A and Private Equity
  • Energy
  • Infrastructure

Joe Lawlor Managing Associate Oil & Gas, Renewable Energy

Houston

Joe represents clients in the energy industry and focuses his practice on oil and gas and renewables transactions.

He assists clients with complex commercial transactions in the oil and gas and renewables industries. His experience includes upstream, midstream, and downstream acquisitions and divestitures and joint venture arrangements. He also assists clients in the development, repowering, sale and divestiture of wind and solar projects. He represents integrated oil and gas companies, global energy companies, private equity funds, and management teams in deals involving the purchase, sale and development of oil and gas assets and wind and solar projects.

8174_740x360

Practice:

  • Securities Litigation, Class Actions and Shareholder Derivative Lawsuits
  • Complex Litigation & Dispute Resolution
  • Corporate Governance
  • Internal Investigations
  • Trials
  • M&A and Private Equity
  • Trade Secrets Litigation
  • White Collar, Investigations, Securities Litigation & Compliance

Michael C. Tu Partner Securities Litigation, Class Actions and Shareholder Derivative Lawsuits, Complex Litigation & Dispute Resolution

Los Angeles

Michael Tu leads the firm's securities litigation practice in Southern California, with nearly 25 years of experience obtaining successful results for clients in stockholder litigation, regulatory investigations and proceedings, and mergers and acquisitions disputes under the federal and state securities laws.  He provides practical and business-focused advice to business executives and boards on securities and corporate governance matters.

Michael is recognized as a leading trial lawyer who has successfully prosecuted and defended numerous trials to verdict in federal and state courts, and is among the few lawyers in the country who have defended a securities class action trial to verdict.  That shareholder class action trial, which resulted in a complete defense verdict, was recognized as one of the "Top Defense Verdicts" in California by the Daily Journal.

In addition to his representation of clients in litigation disputes, he provides counsel to public and private companies regarding securities, corporate governance and disclosure issues, and has represented numerous board committees and accounting firms in connection with investigatory and litigation matters. He frequently advises multi-national companies and executives based in the United States, Asia and Europe with respect to business disputes and securities matters. His successful representation of clients in high-profile securities and corporate governance disputes has been widely reported in the media (Los Angeles Times, Wall Street Journal, New York Post, Hollywood Reporter, Variety, New York Times, Fortune, The Recorder), and he has been recognized as one of the "Most Influential Minority Attorneys in Los Angeles" by the Los Angeles Business Journal.

Michael is:

  • Recommended for his “range of expertise, including the defense of securities class actions and M&A litigation,” “for the fact that he ‘takes a macro approach and looks very far down the line’” with a "'good oratory style'” (Chambers USA, 2015), and "The knowledge level that he has, his attention to detail and his communication skills are outstanding." (Chambers USA, 2017)
  • “Praised” “for his litigation skills” defending securities matters “in both federal and state courts”, noted as “particularly strong in securities class actions with a cross-border element” (The Legal 5002015) and "cares about clients and has innovative ways of solving their problems."  (The Legal 500, 2016)
  • Rated by clients and peers as an “Excellent trial attorney with practical sense” who has “a high level of expertise in the securities litigation field,” “practices with the highest ethical standards,” and “has a remarkable ability both to see the big picture and to sweat the details, and brings excellent judgment to bear on both fronts.” (Martindale-Hubbell)

Michael has moderated and spoken at numerous events on securities law and corporate governance developments, including as a past faculty member of the Stanford Senior Executive Leadership Program, where he has taught business executives and leaders on subjects such as cross-border litigation, risk management and securities and accounting liability issues.

Michael serves as a member of the Board of Directors of the Constitutional Rights Foundation.  He is a member of the Executive Committee of the Litigation Section of the Los Angeles County Bar Association, where he has served as the Court Alerts Editor, and as Co-Chair of the Federal Courts, Programs and Breakfast at the Bar Committees.  He is also a member of the Board of Advisors of the monthly Securities Reform Act Litigation Reporter publication.  He served as a Lawyer Representative for the Central District of California to the Ninth Circuit Judicial Conference from 2006-2009.

8303_740x360

Practice:

  • Sports Law
  • Trials
  • Trade Secrets Litigation
  • Litigation & IP
  • Complex Litigation & Dispute Resolution
  • Government Investigations and Enforcement Actions
  • Employment Law & Litigation

J.R. Riddell Of Counsel Sports Law, Trials

Sacramento

J.R. Riddell is a seasoned trial lawyer in the Sacramento office with a proven track record handling high stakes and bet-the-company matters for clients across the country and around the globe.

J.R.'s practice covers all aspects of commercial and business disputes, from preliminary investigations through trial and appeal.  While many of his engagements involve high-profile claims of trade secret misappropriation and breach of contract, he also routinely prosecutes and defends claims in a variety of other subject areas, including governmental compliance actions, product liability, inadequate product warnings (e.g., California's Proposition 65) and torts.  Most of J.R.'s engagements have resolved favorably prior to trial (e.g., through motion practice and/or mediation), but where trial was merited the results achieved on behalf of his clients have been the subject of multiple awards and accolades in the press (including nationally-recognized top verdicts).   

Beyond litigation, J.R. developed a niche practice focused on the business side of mixed martial arts (MMA), and provides legal guidance and business advice to a wide variety of MMA clients. He is a recognized authority on various MMA legal issues and has served as a consultant, conference speaker and sports writer, with numerous articles published on ESPN.com and its MMA affiliate, Sherdog.com. He has also trained in various MMA disciplines at Ultimate Fitness, home to many top-ranked fighters and Team Alpha Male.

J.R. is an active participant in Orrick’s pro bono and associate training programs, and has served as a continuing legal education instructor.

Before becoming an attorney, J.R. served on active duty as an officer in the U.S. Air Force, both overseas and at the Pentagon.

388839

Practice:

  • Supreme Court & Appellate

Sarah Sloan Managing Associate Supreme Court & Appellate

Washington, D.C.

Sarah is a member of Orrick's Supreme Court and Appellate practice group.

Before joining Orrick, Sarah served as a law clerk to Justice Elena Kagan and Justice John Paul Stevens of the United States Supreme Court, Judge Michelle T. Friedland of the U.S. Court of Appeals for the Ninth Circuit, and Judge Alison J. Nathan of the U.S. District Court for the Southern District of New York.  Sarah received her law degree from Columbia Law School, where she won the Ruth Bader Ginsburg Prize. 

16499_740x360

Practice:

  • M&A and Private Equity
  • Technology Companies Group
  • Fintech
  • Emerging Markets

Shawn Atkinson Partner M&A and Private Equity, Technology Companies Group

London

As Europe's premier tech business advisors, Shawn and his team have overseen several hundred venture financings, private equity buyouts and M&A transactions over the course of the last decade. Leading venture capital and growth funds, private equity, and high-growth tech companies rely upon his unsurpassed industry knowledge as much as his relentless commitment to their business.

In addition to sheer volume of deals, Shawn's incomparable market insight stems from his leadership roles at Orrick, the only global firm focused on technology, and his experience working throughout the UK & Europe, North America and Asia. Shawn leads Orrick's London Corporate practice, its Global Emerging Markets practice and co-leads the Global Fintech team. These complement his practice serving public and private companies in UK multi-jurisdictional and complex corporate transactions, including countless acquisitions and disposals, cross-border mergers, bankruptcy infused asset sales, recapitalisations and reorganisations. He is also a recognised leader in late stage venture transactions and in early stage private equity transactions in Europe and the emerging markets.

Drawing from his particular expertise with technology and IP rich businesses, Shawn also advises technology companies from incubation through M&A exits, initial public offerings and other growth opportunities. His participation in the private equity and venture capital sector spans his entire career-with time spent in private practice, in-house and advising investors as well as investor-backed businesses-and affords him a deep knowledge and understanding of the industry and client needs and expectations.

Among the leading investment funds he has represented are ABN Amro Digital Impact Fund, Acton Capital Partners, ABRY Partners, Accel Partners, Apax Partners, Bain Capital, Balderton Capital, Battery Ventures, Beringea, Bessemer Venture Partners, Coatue Management, Columbia Capital, CommerzVentures, Evolvence, FTV Capital, Golden Gate Capital, Greenspring Associates, Headway Capital Partners, Innova Capital, Kinnevik, KPS Capital Partners, Marlin Equity Partners, Mangrove Capital Partners, M/C Partners, Piper Private Equity, Piton Capital, Russia Partners, Salesforce Ventures, Summit Partners, Vostok New Ventures and Vostok Emerging Finance.

356691
  • D: +33 1 5353 7500

Practice:

  • Employment Law & Litigation

Léa Ghoreychi Associate Employment Law & Litigation

Paris

Léa Ghoreychi is an employment lawyer in Orrick's Paris office.

Léa advises French and international companies on all matters related to French employment law.

Prior to joigning Orrick, Léa worked on employment matters as a legal intern at Bird & Bird, Cornet Vincent Ségurel and HR Avocats. She also interned at the Human Resources department of the French Red Cross.

358933

Practice:

  • Corporate

Dimitrie Ramniceanu Of Counsel Corporate

Paris

Dimitrie Ramniceanu is an M&A and Private Equity lawyer in Orrick's Paris office.

Dimitrie Ramniceanu’s practice focuses on corporate transactions, including public tender offers, M&A, joint ventures, capital market and private equity transactions.

Mr. Ramniceanu advises private and listed companies, financial institutions and investors and has extensive experience in both domestic and cross-border transactions.

In addition, Mr. Ramniceanu regularly represents French and foreign companies with respect to strategic disputes relating to corporate and securities laws.

Prior to joining Orrick in September 2017, Mr. Ramniceanu practiced law in the Paris office of another leading international law firm and worked also as a junior analyst at a first-class investment bank.

In 2011, Mr. Ramniceanu received the HEC Paris/Allen & Overy prize for his work on public tender offers.