People

Karen Dempsey Senior Advisor

San Francisco

Karen is involved in a full range of corporate legal projects for high growth technology companies including venture financings, public offerings, public company securities law compliance matters and mergers and acquisitions. She also regularly advises public companies and board of directors on corporate governance issues. Karen's clients include private and public companies in the biotechnology, real estate, finance and Internet related industries. She also represents underwriters in initial public offerings and follow-on offerings and venture capital firms in investment transactions.

Karen is a frequent speaker on corporate and securities law topics including Initial Public Offerings, Corporate Governance and Sarbanes-Oxley matters. She is also Co-Editor of Part III of Venture Capital & Public Offering Negotiation, published by Aspen Law & Business.

Before joining Orrick, Karen was a shareholder at Heller Ehrman LLP and was chair of their firmwide corporate governance practice group.

Adrian Dengler Counsel

Munich

Adrian represents clients in domestic and cross-border transactions, in particular local and international companies, private equity/venture funds and growth companies.

In addition Adrian acts as a business angel for several venture capital start-up companies.

Alexandre Desroches Managing Associate

Paris

Alexandre is involved in project financing and acquisition financing in the energy and infrastructure sectors. He advises sponsors (industrial and funds), financial institutions and governments.

He works on high-profile transactions in the French market, as well as on cross-border transactions. His area of expertise covers a wide range of financing operations (senior, junior, mezzanine, loans, and bond issues).

His experience includes public-private partnership financings, telecommunications, transportation, and renewable energy projects (in particular in the photovoltaic sector).

Before joining Orrick, Alexandre spent five years at a leading American law firm, where he developed significant expertise in financing.

Blake Dewveall Associate

Los Angeles

He advises lenders and corporate borrowers in a wide range of secured lending facilities and commercial financing transactions.

Blake was a summer associate in the firm's Los Angeles office in 2022.

Mariangela Di Giandomenico Partner

Rome

As expert in Italian Administrative and Public Law, she has focused her career on advising private and public Italian and foreign companies, corporations and public administrations on public law regulatory and litigation matters, providing particular assistance in M&A transactions.

Mariangela has extensive experience working in all the areas of administrative law, especially in public contracts, urban planning and real estate, electronic communications, energy, aerospace and defense, life sciences, transportation and infrastructure, regulated services and also in litigation before Administrative Judge, Constitutional and European Court.

In 2025, she was appointed by the European Commission as member of the Stakeholder Expert Group on Public Procurement (SEGPP),” which supports the Commission in the reform of EU public procurement directives.

With an extensive background litigating before administrative law judges, Mariangela is a recognized leader in shaping public law policy in Italy. She has collaborated with the Italian Chamber of Deputies, the president of the Commission for Administrative Reform, overseeing the drafting of bills, parliamentary reports and regulatory proposals.

During her career, she has worked in both international and Italian law firms, as well as in boutiques specialized in administrative law.

She is a member of the Scientific Committee of the Italiadecide Association and oversee the Observatory on Public Contracts of the Association. She teaches at Master’s degree courses in administrative law as well as courses in public institutions

She is also an author of numerous publications in the field, rapporteur at conferences and public seminars and a researcher for private and public associations.

She is authorized to practice in the higher courts.

In 2021 Mariangela has been included by Top Legal among the best lawyers specialized in public procurement and concessions. In 2022 she was named infrastructure and PPP lawyer of the year by Legalcommunity.

Alessandra Di Lorito Associate

Rome

Alessandra's activity focuses on advising Italian and foreign clients in the areas of public procurement, project financing and concessions, infrastructure, energy and environment, both in and out of court.

She is the author of articles on administrative law published in legal journals of the sector.

Prior to joining Orrick, she gained experience in the same practice, working for a leading international firm.

Alessandra graduated with honors with a master's degree in law. She has also earned a LL.M. in Administrative Law (MIDA) from LUISS School of Law in 2023.

She is qualified as a lawyer in 2023 and has been a member of the Rome Bar Association since 2024.