Siegfried H. Elsing, a partner in the Düsseldorf office and chair of the Orrickʹs European Management Board, is co-chair of the firm's International Arbitration group and a member of the Corporate group.

Siegfried has more than 30 years of experience as litigation and international arbitration counsel, having represented private investors, international companies, sovereign states and state agencies in a wide range of significant and complex cross-border disputes. He is admitted as an attorney in both Germany and New York and acted as counsel in more than 100 appellate court cases. He also served as counsel, party-appointed arbitrator, sole arbitrator or chairman (currently more than 230 arbitrations), to include ad hoc proceedings, as well as arbitral proceedings under the auspices of numerous leading arbitral institutions (DIS, HCCI, HKIAC, ICC, ICSID, SCC, VIAC and others).

Siegfried appeared as a legal expert witness in both the German courts and the U.S. and UK courts (on German law matters) and before foreign law-making institutions. Siegfried's experience extends to disputes involving, inter alia, M&A transactions, investment protection, infrastructure disputes, financing arrangements, joint ventures, distributorship agreements, IP disputes as well as energy law. He also advises frequently in corporate, financing, licensing, construction, joint ventures and M&A transactions both domestically and internationally.

  • In 2011, the President of the World Bank designated Siegfried to serve on the Panel of Conciliators for the Administrative Council of the International Centre for Settlement of Investment Disputes (ICSID).

    He is a Council Member of the American Arbitration Association (since 2009) and of the German Institution of Arbitration (since 2012).

    Siegfried co-founded the German law firm Hölters & Elsing in 1989 and oversaw the firm's merger with Orrick in 2009.

    Siegfried graduated from Münster Law School (Dr jur.) and holds an LL.M. from Yale Law School. He is a frequent lecturer and author on the topics of international arbitration and comparative law and is honorary professor at Heinrich-Heine-University, Faculty of Law, Düsseldorf, where he teaches international commercial arbitration and international civil procedure.

    Since 2013, Siegfried serves as Honorary Consul of the Grand Duchy of Luxembourg.

  • Representative engagements in the area of energy law include:

    • Serving as party-appointed arbitrator in an ICC dispute in relation to an LNG supply agreement with an amount in dispute of several US$ 100 million.
    • Serving as party-appointed arbitrator in a complex US$ 3 billion arbitration under the ICC Rules regarding the adjustment of the price provisions for the delivery of Russian natural gas to a European state.
    • Acting as chairman in ICC proceedings relating to a US$ 1 billion dispute between a Dutch and an Italian energy company involving the issue of a price review within a long­-term agreement for the sale and purchase of natural gas.
    • Appointed by one of the worlds largest stock-listed power and gas corporations to act as an arbitrator in a number of ad-hoc proceedings against different German energy service providers relating to price adjustment claims.
    • Appointed as arbitrator by a leading Germany-based energy trading company against a major global corporation for claims arising out of a long-term gas sale agreement in the amount of US$ 73 million.
    • Serving as chairman in ad-hoc proceedings initiated by a Dutch energy company against one of the leading utility groups in Germany arising out of the joint venture agreement regarding the construction and operation of a gas storage cavern.
    • Serving as chairman arbitrator in several arbitral proceedings concerning utility service providers in Turkey.

    An indicative selection of Siegfriedʹs experience with regard to infrastructure and construction projects includes:

    • Acting as counsel with regard to the construction of an offshore wind farm project in the Northern Sea.
    • Representing as counsel a leading hydro power equipment supplier regarding the construction of a hydro power plant in Greece.
    • Appointed as arbitrator in proceedings under the auspices of the ICC regarding a frustrated EUR 1 billion investment for the construction of a hotel complex.

    Examples for his engagements in Corporate Law and Post  M&A Disputes include the following:

    • Representation as counsel the insolvency receiver of AgfaPhoto GmbH in a series of ICC arbitrations with the former parent Agfa-Gevaert in relation to the carve out of the consumer imaging business.
    • Acting as arbitrator in a USD 200 million post M&A dispute between a Russian and a Turkish company arising out of the sale of a Turkish group of companies operating in the energy sector.
    • Serving as party-appointed arbitrator in proceedings under the rules of the German Institution of Arbitration in a EUR 800 million claim raised by a major European gas transport and infrastructure group of companies against a joint venture with respect to the acquisition of a gas transportation pipeline system.

    His investment related work includes:

    • Acting as Chairman in the ICSID arbitration RSM Production Corp. vs. Saint Lucia, ICSID-ARB 12/10.
    • Appointed as party nominated arbitrator in the ICSID arbitration Ali Alyafei vs. Hashemite Kingdom of Jordan, ICSID-ARB 15/24.
    • Acting as Chairman in an arbitration under the Swiss Rules involving a middle-eastern State with regard to a public license.

     Examples of other engagements include:

    • Acting as party-appointed arbitrator in a USD 1 billion dispute under the ICC rules with regard to a licensing agreement.
    • Counsel to the executor of a will with regard to a complex heritage dispute.
    • Serving as chairman in an ad hoc-arbitration with regard to damage claims raised by a major bank against a former member of the board of directors.