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Practice:

  • 證券訴訟、集體訴訟與股東代表訴訟
  • White Collar, Investigations, Securities Litigation & Compliance

Tristan Konstantin Allen Managing Associate

San Francisco

Tristan's practice focuses on the representation of public and privately-held companies in securities class actions, shareholder derivative suits, and other complex business litigation matters. He also maintains an active pro bono practice that includes criminal and civil rights matters.

Tristan graduated Order of the Coif from the University of California, Berkeley School of Law. During law school, he externed for the Honorable Joseph C. Spero in the Northern District of California. Before law school, Tristan worked in investment banking.

Practice:

  • Technology & Innovation Sector
  • Capital Markets

Andrew Allen Senior Associate

Houston

Andrew concentrates his practice on corporate governance, securities law compliance and various capital markets transactions, including initial public offerings, notes offerings, preferred and follow-on offerings, exchange offers, tender offers, redemptions and consent solicitations. He also has significant experience in transactions involving special purpose acquisition companies including initial public offerings and de-SPAC transactions.

Lauren Allen-Yang Managing Associate

New York

Lauren has experience representing individuals and large companies at all stages of complex civil litigation, from fact-finding to motion practice and everything in between. Lauren practices in federal and state courts nationwide.

431703

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech

Daniel Alleva Managing Associate

Washington, D.C.

Prior to joining Orrick, Daniel was an associate at Buckley LLP.

Practice:

  • Complex Litigation & Dispute Resolution

Robert Allsbrook Of Counsel

New York

Colby has deep experience in financial services, asset-backed security and mortgage-related litigation, and has been at the forefront of litigation arising out of the financial crisis.

Prior to joining Orrick, he was a Director and senior litigation counsel at Credit Suisse Securities (USA) LLC, where he chaired the firm's Mortgage Securities Litigation Task Force and helped direct the bank's litigation response to the mortgage crisis. He previously practiced law in the New York offices of King & Spalding and Cadwalader, Wickersham & Taft.

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Renewable Energy
  • Solar Energy
  • Wind Energy
  • Power
  • 公共可再生能源融資
  • Mergers & Acquisitions
  • UK
  • Hydrogen
  • Offshore Wind

Simon Alsey Partner

London

Simon represents client in connection with acquisitions, disposals, joint venture arrangements and project agreements in energy and infrastructure investments and financings.

Sarah Amari Associate

Paris; Paris Tech Studio

From Orrick Paris Tech Studio, Sarah combines her strategic legal insight with a keen interest in technology, enabling startups and investors tackle complex legal challenges.

Sarah advises founders, tech companies, and venture capital investors throughout their growth lifecycle, covering areas such as corporate governance, employee incentive plans, and M&A transactions.