He has acted as counsel, presiding arbitrator, sole arbitrator, or chairman in more than 300 arbitration proceedings, including ad hoc proceedings and arbitrations under the rules of the leading arbitration institutions.
As counsel, he represents private investors, international corporations, sovereign states, and state-owned enterprises in a range of significant, complex, and often cross-border disputes.
In addition to counsel work and acting as an arbitrator, Siegfried also acts as an expert witness before German courts as well as courts in the United States and the United Kingdom and before regulatory institutions.
His experience includes disputes in the areas of M&A, energy, investment protection, engineering and construction, financing, joint ventures, and intellectual property.
He is admitted to practice as an attorney-at-law in both Germany and New York.
Chambers Global 2024 describes Siegfried as a "star individual" who is "often appointed as arbitrator in complex international arbitrations" and is also "a leading practitioner in the field of investment arbitration" with "extensive experience as an arbitrator in investment law cases".
Siegfried was a member of the Advisory Board of the American Arbitration Association (2009 to 2020) and a member of the Panel of Conciliators of the International Centre for Settlement of Investment Disputes (ICSID) (2011 to 2017). He was a member of the Board of the German Arbitration Institute (DIS) (2012 to 2022) and has been a member of the DIS Council (since 2022). He was also Chairman of the Mediation Committee of the International Bar Association (IBA) (2007-2008).
He is co-editor of the German Arbitration Journal (Zeitschrift für Schiedsverfahren (SchiedsVZ)). He regularly lectures and publishes on international arbitration and comparative law. Siegfried is also honorary professor at the Faculty of Law at Heinrich Heine University Düsseldorf, where he has been teaching international commercial arbitration and international civil procedure law for 25 years. Since 2013, he represents the Grand Duchy of Luxembourg as Honorary Consul in North Rhine-Westphalia.
Siegfried Elsing co-founded the German law firm Hölters & Elsing in 1989 and has overseen the merger with Orrick in 2008.
Hagit represents clients in international arbitrations across the world under the rules of all the major arbitral institutions including the ICDR/AAA, ICC and LCIA, SIAC, HKIAC, JAMS and CPR and in cross-border disputes in courts across the United States. She has also served as an expert witness on New York law in proceedings in Canada and the United Kingdom.
Hagit is recognised as ‘a force to be reckoned with’ (Legal 500) who ‘thinks ten steps ahead’’ (Chambers) and has “astonishing legal skills”, including the ability “to analyze and sharpen arguments”. She was recognized as one of a select group of "Distinguished Leaders" by New York Law Journal (2021).
Hagit regularly teaches courses on arbitration and advocacy skills, sits as arbitrator and frequently writes and lectures on topics related to international business disputes. She is a member of the ICC Court of International Arbitration Commission, former chair of the Arbitration Committee of the International Institute of Conflict Prevention & Resolution (CPR), a current member of the CPR Council, ICC Commission, and a founding Board Member of the New York International Arbitration Center.
Rebecca acts for clients on a broad range of litigation and regulatory matters. She has particular experience in acting for professional services firms in contentious regulatory investigations, enforcement proceedings and negligence claims.
Karsten represents clients in international arbitrations under all the main arbitral institutions, including the ICC and DIS, frequently acts as sole and party-appointed arbitrator and also represents clients before national courts in Germany with experience in setting aside and enforcement actions.
As a former M&A transactional lawyer Karsten has solid grounding in pre-contractual and contractual negotiations and advises among others, energy producers and distributors, both traditional (oil and gas) and renewables (solar, wind) construction conglomerates, financial institutions, JVs and biotech companies.
Karsten is praised for his "proactive and skillful" approach (Chambers Global) and has been recognized by Best Lawyers in Germany 2020 and Legal 500.
Jake regularly acts for banks and other financial institutions and professional services firms in connection with cross-border litigation, arbitration, investigations and regulatory enforcement matters.
Andraya represents companies throughout different stages of litigation across a range of areas, with a focus on the technology, energy, and finance sectors.
Prior to joining Orrick, Andraya clerked for the Honorable Paul J. Kelly, Jr., of the United States Court of Appeals for the Tenth Circuit. While in law school, she externed for the Honorable Jon E. DeGuilio of the United States District Court for the Northern District of Indiana. Andraya earned her law degree from Notre Dame Law School where she served as the Executive Notes Editor for the Notre Dame Law Review.
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.
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