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740

Practice:

  • Finance Sector
  • Public Finance

Brandon Dias Partner

Sacramento

California Local Government Finance. Brandon focuses on California local government financing structures including general fund lease revenue bonds and certificates of participation; pension obligation bonds; tax and revenue anticipation notes; mello-roos bonds, assessment district bonds and other land secured financing structures; redevelopment financing; water and wastewater revenue bonds; airport revenue bonds; and public power revenue bonds.

Tax-Exempt Healthcare Finance. Brandon also focuses on tax-exempt healthcare finance for 501(c)(3) organizations. His experience includes financings for standalone hospitals, hospital systems and continuing care retirement communities. He has served as bond counsel or underwriters' counsel on tax-exempt healthcare financings in various states throughout the nation.

418023

Practice:

  • Antitrust & Competition
  • International Arbitration & Dispute Resolution

Leon Diederichs Associate

Düsseldorf

Leon is a German litigation and arbitration lawyer based in Düsseldorf, specializing in complex commercial disputes, post-M&A litigation, and antitrust damages claims. He advises and represents clients in the technology, infrastructure and energy sectors, handling high-value cases under German procedural law and major arbitration rules such as ICC, DIS, and VIAC. With extensive experience in cross-border litigation and antitrust law, Leon delivers strategic solutions for clients facing intricate legal and commercial challenges in Germany and internationally.

Roberta Dimaggio Managing Associate

Milan

She is Managing Associate in Orrick's Milan office and a member of the firm's M&A and Private Equity Group. 

Roberta's expertise extends to assisting both Italian and international companies on M&A transactions for domestic and global growth, as well as advising private equity funds on their investments. She also provides counsel to Italian families in strategic operations involving private equity funds and transactions aimed at expanding their businesses. In addition to her transactional work, Roberta offers general corporate expertise, guiding clients through various corporate governance and commercial law matters.

Roberta has advised on acquisitions in the healthcare sector, including the purchase of medical centers and diagnostic facilities, as well as transactions in the industrial sector. Her experience includes assisting clients in the acquisition of companies specializing in energy efficiency and decarbonization solutions, as well as advising on the sale and purchase of manufacturing and industrial assets.


409568

Practice:

  • Energy & Infrastructure

Arden Dion Associate

Houston

Arden focuses her practice on mergers and acquisitions, project development and general corporate matters for clients primarily in the oil & gas, renewables and conventional power sectors.

Practice:

  • Antitrust & Competition
  • International Trade and Investment
  • Complex Litigation & Dispute Resolution

Rebecca Dipple Professional Support Lawyer

London

Rebecca has acted for “Big Four” audit firms and global listed companies in a range of matters. These have included complex professional negligence litigation in the High Court, internal investigations and investigations by domestic and overseas regulators including the Financial Reporting Council, the Securities and Exchange Commission and the Public Company Accounting Oversight Board.

In addition to the above, Rebecca has also advised on UK and EU public procurement legislation including the application of the OJEU notification requirements to real estate developments.

Orrick partner Jon Direnfeld

Practice:

  • Technology & Innovation Sector
  • Cyber, Privacy & Data Innovation
  • Government Investigations and Enforcement Actions
  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Complex Litigation & Dispute Resolution
  • Antitrust & Competition

Jonathan Direnfeld Partner

Washington, D.C.

Jon’s enforcement work involves helping clients navigate the patchwork of federal and state “consumer protection” rules and defending investigations and enforcement actions brought by the Federal Trade Commission (FTC), U.S. Department of Justice (DOJ), State Attorneys General (AGs), and other state regulatory agencies. These matters cover a broad spectrum of B2C and B2B issues, including data privacy, cybersecurity, greenwashing, and so-called “unfair and deceptive” sales and marketing practices with a focus on representation of e-commerce platforms, marketplaces, gig economy, social media and fintech companies. In connection with these enforcement matters, Jon is able to leverage his substantial experience in crisis management by helping clients devise and implement coordinated regulatory, legislative, and media responses to these high stakes incidents.

Jon also helps companies identify and understand regulatory risks and opportunities associated with ESG marketing and goals by providing guidance on greenwashing and the FTC’s Green Guides to help clients avoid deceptive marketing for environmental responsibility and sustainability.

Jon also has substantial experience in the antitrust and competition space, including class action antitrust litigation, criminal cartel investigations and enforcement actions before the DOJ and international regulators, as well as mergers and acquisitions and conduct investigations before the DOJ and FTC. In addition, Jon also provides strategic public policy counseling to clients on consumer protection and data management matters before Congress and executive branch agencies, and he has an active complex commercial litigation practice in federal and state courts across the country.