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Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech
  • Cyber, Privacy & Data Innovation
  • Mergers & Acquisitions
  • Blockchain & Digital Assets
  • Japan
  • China

Nathaniel Reisenburg Managing Associate

New York

Nathaniel counsels banks, blockchain exchanges, cryptocurrency issuers, financial institutions, technology companies, money transmitters, online gaming platforms, payment processors, and private equity firms. His practice includes services related to anti-money laundering, data collection and processing, internal investigations and risks assessments, money transmitter licensing, blockchain token offerings, mergers and acquisitions, money transmitter licensing, venture capital financing activities, and general corporate matters.

Following law school, Nathaniel co-founded a legaltech company in Japan, and developed the initial machine learning models and a front end used for an initial product offering. Nathaniel has since leveraged his development experience to communicate with and advise blockchain and machine learning ventures. In addition, Nathaniel has also lectured at Peking University in China, teaching constitutional law and an introductory class on U.S. legal principles, giving Nathaniel a unique perspective into the Chinese market.

Prior to joining Orrick’s New York office, he was an associate at the firm's Tokyo office. In addition, prior to law school, Nathaniel served for four years in the Canadian Army as an enlisted soldier tasked to conduct armored reconnaissance.  

Practice:

  • Supreme Court and Appellate

Lauren Weber Senior Associate

Seattle

Lauren represents clients in high-stakes appeals, with a focus on patent litigation. Lauren also joins trial teams as embedded appellate counsel to guide the legal strategy with an eye toward appeal and draft important briefs. She has argued in the Federal Circuit on behalf of a leading video-game developer, where she secured affirmance of the PTAB's decision striking down every claim of a competitor's patent, and in the Ninth Circuit, where she won relief from removal for a client seeking asylum. She has co-authored dozens of appellate briefs, as well as briefs in the U.S. Supreme Court at both the certiorari and merits stages. Lauren also has an active pro bono practice focused on immigration matters and civil rights.

Before joining Orrick, Lauren served as a law clerk to Judge Susan P. Graber of the U.S. Court of Appeals for the Ninth Circuit and Judge John R. Blakey of the U.S. District Court for the Northern District of Illinois. Lauren graduated summa cum laude from the University of Wisconsin Law School, where she received the Salmon Dalberg Award for outstanding member of the graduating class and was a Managing Editor for the Wisconsin Law Review. Before law school, Lauren worked for a major software company in the healthcare industry.

461970

Practice:

  • Energy & Infrastructure
  • Renewable Energy

Tyler Conte Senior Associate

Houston; Miami

Tyler structures and negotiates a broad range of strategic transactions on behalf of sponsors, investors and lenders, including tax equity, cash equity, and debt financings, tax credit transfers, mergers and acquisitions, and joint ventures at both the company and project levels. He also negotiates project contracts for renewable energy projects and transactions with respect to the financing and development of satellites, data centers and other digital infrastructure assets.

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group
  • Mergers & Acquisitions
  • Public Finance

Elizabeth Lefever Of Counsel

Silicon Valley; Washington, D.C.

She focuses on high growth technology companies and represents both public and private companies and venture capital funds in many areas, including corporate and securities law, venture capital financings, mergers and acquisitions, public offerings, public company representation and private equity.

Prior to joining Orrick, Elizabeth was of counsel with Clifford Chance and an associate at Brobeck Phleger and Harrison.

Lauren Leibovitch Senior Associate

Santa Monica

Lauren focuses on defending employers in complex wage-and-hour lawsuits, including class, representative, and collective actions in both federal and state courts. She is a persuasive writer and experienced litigator who leverages her substantial wage-and-hour knowledge to develop creative strategies and solutions. Lauren has been a key player in successfully defeating class certification and securing dismissals of PAGA actions. Through smart litigation, Lauren ensures favorable outcomes for her clients.

Lauren has authored numerous articles and client alerts, providing valuable insights on various aspects of employment law. Before joining Orrick, Lauren served as co-editor of Morrison & Foerster's Employment Law Commentary blog, which covers judicial, litigation, and legislative developments, their implications for employers, and strategies to ensure compliance and avoid lawsuits.

Lauren graduated cum laude from the University of California, San Francisco (formerly UC Hastings), where she was Senior Articles Editor for the Hastings Law Journal and received CALI Awards for earning the highest grade in Legal Writing & Research, E-Discovery, and Critical Studies I: Writing. During pursuit of her J.D., she served as a judicial extern for the Honorable Mary E. Wiss and the Honorable Curtis E.A. Karnow in the San Francisco Superior Court of Complex Civil Litigation, and for the Honorable Consuelo B. Marshall in the U.S. District Court for the Central District of California. In undergrad, Lauren was an NCAA Division I coxswain on UCLA’s rowing team.

Sarah Jane Ungeheuer Managing Associate

New York

Prior to joining Orrick, Sarah worked as a pro bono fellow at New York Legal Assistance Group. At Orrick, Sarah has broad experience representing financial institutions in claims brought by investors and trustees and extensive trial experience advising clients in all stages of litigation.  Sarah has supported trial teams in various matters through the discovery process, expert witness preparation, summary judgment motions, extensive trial preparation and trial.  Sarah also continues to contribute to the pro bono practice at Orrick and is a member of New York Legal Assistance Group's Pro Bono Associate Advisory Board.

431475

Practice:

  • White Collar, Investigations, Securities Litigation & Compliance
  • Strategic Advisory & Government Enforcement (SAGE)

Christopher Regan Partner

Washington, D.C.

Chris has represented numerous individual defendants in parallel proceedings involving the Department of Justice (DOJ), the SEC and state attorneys general investigations, as well as administrative and/or regulatory enforcement litigation with agencies such as the Federal Housing Finance Agency (FHFA), Federal Deposit Insurance Corporation (FDIC), the Federal Reserve and the Office of the Comptroller of the Currency (OCC).

His broad range of experience includes conducting internal investigations and the defense of criminal and/or grand jury investigations involving accounting fraud, disclosure issues, internal controls and corporate governance, tax fraud, Foreign Corrupt Practices Act (FCPA) violations, antitrust violations, mail and wire fraud, theft of trade secrets and a wide array of environmental crimes. He has been involved in all aspects of the SEC’s enforcement program including the Wells process and the emerging issues surrounding the agency’s whistleblower programs and employee protections thereunder.

His environmental practice ranges from conducting internal investigations to trial defense, with a strong focus on the unique suspension and debarment issues that arise under the Environmental Protection Agency's (EPA) program. In addition to his civil and criminal enforcement experience, Chris is proficient with lender liability issues, environmental due diligence, toxic tort ligation, superfund cost recovery and contribution actions and compliance planning for environmental health and safety issues.

Chris is recognized in Chambers as a Recognized Practitioner in D.C. White Collar Crime & Government Investigations, in Legal 500 for Corporate Investigations and White Collar Criminal Defense, and Best Lawyers in America in the fields of Criminal Defense: White-Collar, Corporate Governance Law, Corporate Compliance Law, and Litigation - Securities.

Prior to joining Orrick, Chris was a partner at Buckley LLP.