Dr. Stefan Renner Partner, Mergers & Acquisitions, Private Equity
Düsseldorf; Munich
Düsseldorf; Munich
Düsseldorf; Munich
Stefan focuses as well on real estate transactions and corporate restructurings.
New York
Olivia represents companies and individuals in high-stakes litigation in federal and state courts nationwide. She has served a pivotal role in multiple successful jury trials, including arguing motions and formulating effective direct and cross examination strategies for both fact and expert witnesses. Olivia has extensive experience in all phases of litigation from drafting and responding to complaints to managing fact and expert discovery to drafting briefs to working on creative settlement solutions in alignment with clients' overall business and organizational goals. Her engagements have involved mass torts and product liability, multi-million dollar contract disputes, joint venture and partnership disputes, trade secret misappropriation, and defamation and trade libel. She also has experience with FCPA compliance and investigations.
Olivia maintains an active pro bono practice and serves as a member of the Pro Bono Advocates Council for Volunteers of Legal Service.
Rome
Leonardo practices in the areas of M&A, corporate and commercial law, corporate governance, and more in general, in structuring and negotiating extraordinary transactions such as share deals, assets deals, mergers, demergers and spin offs, with specific focus on the private equity sector. Clients represented are PE funds, multinational players, listed and private companies, entrepreneurs and managers. He gained solid expertise assisting purchasers and sellers in the context of one-to-one sales and competitive auctions as well as in the management of the relevant negotiation procedures.
He received a PhD in Business Law from Luiss Guido Carli in Rome and a Master’s Degree (LLM) in Corporate Law from New York University in New York and is admitted to practice in Italy.
Sacramento
Katie collaborates with employers to resolve challenging litigation and avoid risky compliance issues. She defends employers against PAGA, class, multi-plaintiff, and single plaintiff actions involving a variety of claims ranging from complex wage and hour disputes to contentious discrimination and harassment claims. Katie has jury trial experience and practices before a variety of forums, including state and federal trial courts, the Ninth Circuit Court of Appeals, and private arbitration and mediation. She understands the challenges that employers face and helps them to navigate ever-changing state, federal, and local laws. Katie has significant experience litigating and advising on wage and hour issues; exempt/non-exempt classification; discrimination, harassment, and retaliation; arbitration agreements; independent contractor classification; business expense reimbursement; compensation; Section 17200, and more. She also works with clients to resolve employment disputes prior to litigation.
Katie earned her J.D. from the University of California, Davis School of Law, where she graduated Order of the Coif.
New York
In collaboration with the firm’s leadership team, she focuses on designing and implementing programs to recruit, inspire and advance the best legal and staff talent.
Siobhan previously served as Orrick’s Managing Director for Resources. In that role, she spearheaded the development of the firm’s innovative talent model—the first of its kind in a major law firm—which replaces the traditional associate lockstep advancement system with merit-based advancement. As chair of the firm’s Talent Committee, she oversees Orrick’s lawyer training and performance feedback program – which is one of the most rigorous in the market. She also has led the creation of a range of new lawyer and professional staff roles.
Siobhan brings to this role extensive experience on the front line of client service, having been a partner in the firm’s product liability litigation and mass tort defense group. For more than a decade, she was a member of the Orrick team that acted as National Counsel to Union Carbide Corporation in connection with asbestos-related personal injury lawsuits and served as lead trial counsel in cases across the country. Siobhan was one of the key trial counsel in the highly-publicized landmark trial in Texas State Court, Brazoria County, where Kelly-Moore Paint Company sued Union Carbide for $1.4 billion in compensatory damages and $4.2 billion in punitive damages that resulted in a complete defense verdict. In addition, she served as trial counsel for significant product liability cases for other clients including Wyeth and Flexible Products.
London
Mark leads Orrick’s global international arbitration practice group, and acts as advocate and counsel whether in international arbitrations (both commercial and investor-state) or in litigation in the English and DIFC courts. He has particularly deep experience in energy disputes, but also regularly acts in construction, technology, insurance, shareholder and white-collar/civil fraud matters (including advising on sanctions and export controls).
Mark has acted in arbitrations under all the major arbitration rules in disputes seated around the globe involving a wide range of governing laws and sits as arbitrator (including both as chairman and sole arbitrator). He previously practiced in Dubai as a Registered Foreign Lawyer and maintains a practice as advocate (and solicitor) in both the English and DIFC Courts (along with supervising cross-border litigation in multiple other jurisdictions). He is recognised in the leading directories for arbitration, litigation and natural resources disputes (including Chambers & Partners, Legal 500, GAR and Who’s Who). In addition, he has been recognised as a foreign expert in disputes in both the UAE and India by Chambers.
He has a particular interest in energy sector disputes, including those in the upstream and LNG areas he knows “oil and gas inside out” and is “as knowledgeable as anyone about international arbitration in the energy sector, specifically oil, gas and renewables” (Chambers & Partners UK ) and is recognised in Who's Who Legal for Energy, Chambers UK for Energy & Natural Resource Disputes and Legal 500 for Oil & Gas), but has dealt with matters across the industry, running the gamut from seismic acquisition agreements through to IP disputes involving refined products, carbon trading agreements and the construction and licencing of renewable projects. He recently led the AIEN Model Form Revision sub-committee focusing on the dispute resolution aspects of the model form JOA.
As illustrated below, beyond energy, Mark has acted in the infrastructure/construction, technology, insurance, fintech, pharmaceutical, telecoms, insurance and finance sectors (amongst others) and also advises extensively (both in the advisory context and in leading investigations/claims) in relation to white-collar/fraud matters, including money laundering, bribery, sanctions and export control issues.
Originally called to the English Bar and now practicing as a solicitor-advocate, Mark frequently publishes and speaks on arbitration and energy matters, including on questions of sovereign immunity, res judicata, arbitration procedure, the award of interest and other questions on damages. Mark serves as a member of the ICC's Commission on Arbitration & ADR, as well as on the ICC UK's Arbitration & ADR Committee. He also leads Orrick's London Office.
London
Sarah resolves disputes for clients in a variety of forums including international arbitration (both commercial under ICC, LCIA, SIAC and HKIAC Rules etc. seated in various jurisdictions and investor state, under ICSID, and UNCITRAL Rules and ad hoc proceedings) and sits as arbitrator. Sarah appears before the English High Court and the DIFC Court, is adept at supervising and managing cross-border litigations in many other jurisdictions, including the Middle East, West Africa (Nigeria, Ivory Coast) India, Asia and South America and works under both common and civil law regimes.
In addition to acting in traditional onshore and offshore energy disputes both upstream and downstream, Sarah has a keen interest in the renewables and alternatives sectors, combining her experience of infrastructure disputes, including those relating to power and energy transmission, with the changing environments in which our clients operate during the Energy Transition. Sarah has conducted cases in the renewables sector, and also frequently represents clients in mediation and uses ADR techniques to achieve favourable settlements.
Sarah is recognised for International Arbitration by Legal 500 UK, as well as being noted as a Rising Star by Super Lawyers.
New York
Her practice encompasses all aspects of commercial real estate transactions, including acquisitions and dispositions, equity investments and financings, joint ventures and leasing. She is skilled at drafting documents that bring complicated deal points to life.
Robin strongly believes in community engagement and is active in a local non-profit that provides shelter and services to the homeless in New York City.
Los Angeles
Primary Focus & Experience
Dr. Lu’s practice focuses on patent, trade secrets, and life sciences litigation. He has represented clients in matters involving patent infringement, U.S.-China trade secret misappropriation, biosimilars, ANDA litigation, and licensing disputes. He also represents clients in connection with proceedings before the Patent Trial and Appeal Board. His clients have included Genentech, Tris Pharma, Rosenberger, and Natera.
Recognition & Accomplishments
Dr. Lu has been on the editorial advisory board for Law360 Life Science publications and was named to Benchmark Litigation’s “40 and Under Hot List,” which honors the achievements of the nation’s most accomplished litigators under 40. He was also named to the Southern California Rising Stars list by Super Lawyers.
Dr. Lu has authored a number of publications, including: “Thryv: opposing policies in the Supreme Court,” World Intellectual Property Review (June 5, 2020); “The Growth of Online Universities: How to Solve the Accreditation Dilemma, Protect Students, and Expand Access to Higher Education,” a chapter in “Education and Social Media: Toward a Digital Future,” MIT Press (2016); “Senate Gridlock Causes En Banc Uncertainty,” and “Intellectual Property Special Report,” The Recorder (July 15, 2013); and “Promotion and Market Share in the Proton Pump Inhibitor Market: A Case Study,” Journal of Pharmaceutical Marketing & Management, Volume 17, Issue 3, 39-59 (2007).
Dr. Lu is the chair of the board of directors for Asian Pacific American Dispute Resolution Center (APADRC), a nonprofit organization. He was also a Fellow of the Leadership Council on Legal Diversity.
Prior to private practice, Dr. Lu was a law clerk to the Honorable William Alsup of the U.S. District Court for the Northern District of California.
Dr. Lu received his J.D. from Yale Law School, where he was Notes Editor of the Yale Law Journal and Executive Editor of the Yale Journal of Law & Technology. While in law school, he was an extern for the Honorable John T. Noonan of the U.S. Court of Appeals for the Ninth Circuit, and an intern for the U.S. Attorney’s Office for the District of Connecticut.
Prior to law school, Dr. Lu earned his Doctor of Pharmacy, with highest distinction, from the University of North Carolina, and worked in pharmaceutical marketing.
Dr. Lu is conversant in Mandarin Chinese.
New York
New York
Dave has extensive trial experience at the state and federal levels, including in the United States District Court for the Southern District of New York, the Delaware Court of Chancery, and the Commercial Division of New York State’s Supreme Court, New York County. Dave also has experience representing and defending clients' rights and remedies before federal and state regulators. Among other of Dave's successful trial outcomes, Dave served as co-lead counsel and secured a complete victory for his client in a dispute between two joint venture real-estate development partners after completing a 23-day bench trial in New York County’s Commercial Division and authoring the post-trial brief.
A zealous advocate for his clients, Dave is particularly adept at developing overall litigation strategies and, where advisable, advising clients regarding litigation avoidance, such as resolving business disputes through negotiation and mediation. He is skilled in working efficiently on behalf of his clients by quickly assessing potential liability and exposure, including the viability of any available claims and defenses, and aggressively acting to use the same in helping his clients achieve the best outcome consistent with their practical business objectives. Where appropriate and necessary, Dave has utilized his broad experience in structuring varied agreements with outside litigation funding firms, enabling his clients to litigate or arbitrate meritorious claims while providing alternative sources of funding to pay for the expense of litigation.
Chicago
Alejandra advises sponsors, lenders and agents on all aspects of a project, from drafting, negotiation and review of traditional project documents, including EPCs, O&Ms and MSAs through procuring construction financing and term loans for the operation and maintenance of the asset. Her tax equity practice includes drafting and negotiating the traditional tax equity partnerships (for PFlip and TFlip structures) documentation, tax credit transfer agreements and advising construction and back leverage lenders in connection with tax equity portfolios.
Alejandra’s experience spans a range of power generating technologies and projects, from solar, wind and hydro to biofuel, carbon capture, oil and gas and LNG projects. She has also led financings for major international infrastructure projects such as airports, water treatment, power generation and toll roads.
A native Spanish speaker, Alejandra has worked extensively across Latin America, including Mexico, Chile, Uruguay, the Dominican Republic and Colombia.
Los Angeles; Santa Monica
Los Angeles; Santa Monica
In trial, litigation, arbitration or mediation, David delivers efficient and favorable results aligned with clients’ business objectives. From health and safety mass tort litigation for the NCAA, to complex, multimillion-dollar international breach of contract claims and countersuits for a global television manufacturer, to high-stakes, precedent-setting employment victories for Oracle, David handles a range of commercial disputes. David was named a “Litigator of the Week” by American Lawyer for achieving a complete defense verdict in a precedent-setting jury trial, and has been named a “Litigator of the Week” Runner-Up twice for securing defense verdicts, including in a $100 million negligence action. In addition to these recognitions from American Lawyer, David was also named to The Recorder's list of Lawyers on the Fast Track in California.
Not all disputes end up in court. David leverages his extensive courtroom and alternative dispute resolution knowledge to provide invaluable risk mitigation counseling to both established and emerging companies. David serves as a business partner and trusted advisor to ambitious start-ups and high-growth companies—helping these innovative clients see around corners to avoid or reduce potential exposures.
In addition to his legal practice, David is committed to challenging inequities through his pro bono work. For Equal Justice Under Law, he helped secure a favorable judgment in a federal civil rights class action, barring indigent criminal defendants unable to pay court-imposed fines and fees from being jailed in a system that was described as a “modern-day debtors’ prison.”
While attending law school, David served as an extern for two Los Angeles Superior Court judges and was a member of the Loyola Entertainment Law Review.