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  • Corporate
  • International Arbitration & Dispute Resolution
  • Complex Litigation & Dispute Resolution

Federico Lenci Associate Corporate, International Arbitration & Dispute Resolution


Federico is an international arbitration lawyer, associate in Orrick's Milan office as a member of the Firm's Corporate Group. He has particular experience in arbitration and ligation of international commercial disputes, notably license agreements, post-M&A disputes and international trade, assisting market leader corporate clients active in a series of industries

Federico has participated in arbitration proceedings conducted under the ICC, Swiss Chambers and ICSID arbitration rules.

He was also recently involved in work on high-stake M&A transactions and contract negotiation.

Federico qualified as an Italian lawyer in 2013 and in 2015 he earned his Ph.D. in International Law at the University of Milan, authoring a thesis entitled “Provisional Measures in International Investment Arbitration” under the supervision of Professor Luigi Fumagalli.

He has been Visiting Researcher at Sciences Po’s Ecole de Droit and has authored publications in the field of international arbitration, both in Italy and abroad.

Prior to joining Orrick, Federico was an associate in an arbitration boutique law firm in Geneva and an associate in a leading Italian national law firm (Litigation/Arbitration Group).



  • Energy
  • Infrastructure
  • M&A and Private Equity
  • Corporate

Grace Lentz Managing Associate Energy, Infrastructure


Grace is a member of the Energy & Infrastructure group.

Grace counsels energy clients on a wide range of transactions in the energy industry with a particular focus on renewable energy and natural gas matters. Grace’s advises clients on mergers and acquisitions involving energy companies and assets and project development matters, including power purchase agreements and other long-term offtake agreements, physical and financial swaps, engineering, procurement and construction contracts, equipment supply and warranty agreements, and operation and maintenance agreements.



  • Health Care Finance
  • Public Finance

Mayling Leong Senior Associate Health Care Finance, Public Finance


Mayling Leong is a senior associate in the Sacramento office and a member of the firm's nationally recognized Public Finance Department.  Mayling has broad experience serving as bond counsel, disclosure counsel, underwriter's counsel and corporation's counsel in financings for 501(c)(3) borrowers, with a focus on the health care sector. 

In addition, Mayling serves as issuer’s counsel to the California Statewide Communities Development Authority and the California Public Finance Authority for 501(c)(3) conduit financings, and as special counsel to the California State Treasurer’s Office in transactions for bonds insured through the Office of Statewide Health Planning and Development’s Cal-Mortgage Loan Insurance Program.



  • Tax
  • International Tax
  • Tax Advocacy
  • M&A and Private Equity

Giovanni Leoni Of Counsel Tax, International Tax


Giovanni Leoni, of counsel in the Milan Office, is a member of the Tax group. Giovanni specializes in Italian and international tax law and tax litigation. He has acquired extensive expertise in general corporate law and mergers and acquisitions.

Giovanni's previous work experience includes associate and  partner at CBM & Partners LLP in Milan. Prior to joining CBM & Partners LLP, Giovanni worked as a trainee lawyer at Berenghi, Fiorini, Strobino in Milan.



  • Energy
  • Infrastructure
  • M&A and Private Equity
  • Funds
  • Africa
  • Latin America

Yves Lepage Partner Energy, Infrastructure


Yves is a leading Energy and Infrastructure lawyer in France and abroad. He serves as head of the Paris firm's  Infrastructure practice and head of the Africa practice.

Recognized by Chambers & Partners as a notable practitioner in International projects, Energy and Africa, Yves is praised for his “very good sector experience and knowledge”, as well as his “enormous negotiating skills”. With 30 years' experience in PPP, international infrastructure projects and power industry projects, Yves regularly advises operators in both the public and private sectors, government entities and financial institutions for operations in Europe, Africa and Latin America. Recently, he has led a cross-border multidisciplinary team to advise Actis, one of the largest and most active private equity firms operating in Africa, in its purchase of a majority interest in three power assets in Cameroon from Fortune 200 global power company AES Corporation.

Yves also has substantial experience in privatizations and acquisitions in France and abroad with companies whose main assets are infrastructure facilities. He notably advised VINCI Airports in connection with the acquisition of nine airports and three partial management contracts following acquisition of the airport portfolio held by Airports Worldwide.

Yves is a lawyer with the Paris Appeal Court and a member of the New York Bar. He was appointed as French Foreign Trade Advisor in 1996.



  • M&A and Private Equity
  • International Arbitration & Dispute Resolution
  • Banking & Finance
  • Complex Litigation & Dispute Resolution

Jean-Michel Lepretre Partner M&A and Private Equity, International Arbitration & Dispute Resolution


Jean-Michel Leprêtre is an M&A lawyer, based in Orrick's Paris office. His practice focuses on advising French and foreign companies, commercial and investment banks, and other state-owned or private-sector firms on commercial and corporate-related transactional and litigation work.

He also handles employment law issues arising from M&A transactions.

Recognized by Chambers & Partners as a leading litigator in France, Jean-Michel’s wide range of expertise includes mergers and acquisitions, stock exchange regulation, joint ventures, commercial contracts, directors’ liability, and the disputes arising from them.

With a multidisciplinary and high-level practice, Jean-Michel has been involved in highly publicized matters. He represents several of France’s major firms in the industrial, financial, telecommunications, transports and other services areas. He has notably an extensive knowledge of media and advertising law.

Jean-Michel has authored several published articles and regularly speaks at conferences on various topics, such as the transfer of companies, the distribution of power within the société anonyme subsequent to the passing of new economic regulations and on shareholders’ agreements.

Jean-Michel was a partner at Rambaud Martel, where he co-led the firm’s corporate, mergers & acquisitions and securities practices.



  • Complex Litigation & Dispute Resolution
  • Mass Torts & Product Liability
  • Insurance Recovery
  • Class Action Defense
  • Trials

Khai LeQuang Partner Complex Litigation & Dispute Resolution, Mass Torts & Product Liability

Orange County

Khai LeQuang represents financial institutions, technology companies, and other public and private companies in complex, high-stakes commercial disputes at both trial and appellate levels. He has won trials in state and federal courts, and is a prominent practitioner in the area of life settlements. Clients and judges praise Khai for his trial skills, strategic thinking, and innovative and practical solutions to complex legal problems.

Most recently, Khai second-chaired a trial team that successfully defended Union Carbide Corporation, a subsidiary of The Dow Chemical Company, in an asbestos product liability action involving novel claims for fraud and civil conspiracy. Following a trial that lasted more than two months, the jury returned a defense verdict on all claims against Union Carbide, continuing a string of victories for the company.  Khai continues to represent Union Carbide as national trial counsel, trying cases and developing strategies for hundreds of product liability actions across the country.

Khai also recently first-chaired a two-week bench trial in an action against a school district arising out of its allocation of $417 million in bond funds. The plaintiffs, led by a taxpayer association, sought $90 million for construction of a new school. After navigating a year-long political imbroglio and defeating plaintiffs’ summary judgment motions following a defense that Judge Pressman described as “brilliantly argued,” the case proceeded to a trial that resulted in a decision in favor of the district on all claims. The case is now on appeal.



  • Corporate Tax
  • International Tax
  • Tax Advocacy
  • Nonprofit Organizations
  • Public Finance Tax

Stephen Lessard Senior Associate Corporate Tax, International Tax

New York

Stephen Lessard, an associate in Orrick's New York office, is a member of the Tax Group. Steve focuses his practice on the taxation of debt and equity offerings, cross-border transactions, tax controversy, and municipal finance. He also has experience counseling nonprofit organizations on federal tax law and corporate governance. 

Prior to joining Orrick, Steve was a Surface Warfare Officer in the U.S. Navy.



  • Intellectual Property

Tiffany Chiu Leung Associate Intellectual Property

Silicon Valley

Tiffany C. Leung is an associate in Orrick's Intellectual Property Group located in Silicon Valley.

Tiffany represents individual and corporate clients in various civil matters involving trade secrets, copyright infringement, patent infringement, contract disputes, and complex litigation. Her matters span across different technological areas including, semiconductor manufacturing, NoSQL databases, and price management software. In addition to her IP practice, Tiffany also handles pro bono matters involving technology.

During law school, Tiffany was the Commentaries Editor for the Berkeley Technology and Law Journal, where she helped establish an online publication syndicate project with other leading technology law journals.



  • Real Estate Finance
  • Real Estate

Cristine LeVasser, LEED AP Associate Real Estate Finance, Real Estate

Los Angeles

Cristine LeVasser is a Real Estate Associate in Orrick's Los Angeles office.

Cristine advises clients on commercial real estate transactions including joint venture structuring and construction, development and lease agreements. She joined Orrick in 2016 as a Summer Associate. Prior to attending law school, Cristine was a designer and project manager at a Los Angeles-based architecture firm, where she oversaw the design and construction of retail, corporate office and residential projects of various scales.



  • Complex Litigation & Dispute Resolution
  • Insurance Recovery
  • Financial Services Litigation
  • White Collar, Investigations, Securities Litigation & Compliance

Barry Levin Partner Complex Litigation & Dispute Resolution, Insurance Recovery

San Francisco; New York

Barry S. Levin, a lawyer in Orrick's San Francisco office, is a member of the Litigation Group. His practice focuses on complex litigation with a special emphasis on insurance recovery matters.

Barry is known in the market as “one of the most accomplished litigators,” “very effective in pursuing compelling themes and tearing down witnesses with polite cross-examination” (2017 Benchmark Litigation), and as "a real seasoned veteran of high-steaks litigation" (2020 Chambers USA). Barryhas also been commended by his peers as a "fabulous lawyer" who is "very well regarded and really knows the area" (2016 Chambers USA). 

Barry has broad first chair experience in trial and arbitration, ranging from trial counsel for Johns-Manville Corporation in its coverage litigation involving asbestos-related bodily injury claims to successful domestic and international arbitrations on behalf of financial institutions, hospitals, and hospitality companies.  

Over the past 8 years, Barry has developed extensive experience in issues arising out of the financial crisis, including a range of issues relating to mortgage backed securities and lending practices.

He is a frequent lecturer in the area of litigation, insurance coverage and law firm management. Prior to joining Orrick, Barry was a shareholder at Heller Ehrman LLP.



  • Benefit Plan Investments
  • ERISA & Benefits Litigation
  • Traditional Labor Law
  • Wage and Hour
  • Employment Law & Litigation

Herbert Levine Counsel Benefit Plan Investments, ERISA & Benefits Litigation

New York

Herbert Levine, New York labor and employment counsel, has practiced labor law for more than 40 years.

He has represented U.S. and multi-national corporations engaged in a wide variety of industries, including retailing, radio and television broadcasting, automotive parts, printing and publishing, refining and packaging of petroleum products, manufacturing and distribution of wines, spirits and related products, hotels, food service, financial institutions, passenger airline, and freight forwarding companies.

Herbert has extensive experience in negotiating collective bargaining agreements, and has represented clients in a broad range of labor matters, including: union election and unfair labor practice cases, arbitrations and strike related matters. His practice also includes federal and state court and administrative agency litigation covering employment discrimination, wrongful discharge, ERISA, and wage-and-hour matters.

He has participated in establishing security programs for clients, helped design benefit plans, employment handbooks, and worked with clients on affirmative-action compliance reviews and safety and health matters. He has drafted and negotiated employment agreements, and has done extensive work in counseling and representing clients in merger and acquisition problems including negotiations with adverse parties, unions, and insurance carriers.

Herbert started his practice as an attorney for the National Labor Relations Board, and then worked for Proskauer, Rose, Goetz, & Mendelsohn. From 1972 to 1990, Herbert was a partner at the firm of Baer, Marks & Upham, where he chaired the employment law department, and was instrumental in building a labor and employee benefits practice. 

He joined Orrick in 1991, and continued as a partner until 2002, when he retired from the partnership in order to devote more of his time to family obligations. He has continued to practice with Orrick since that time as counsel.