Sergei Voitovich:




Areas of Practice

International investment & commercial arbitration, investment, international law, financial transactions, commercial law


 Sergei Voitovich has been a partner at Grischenko & Partners since 1993. He is the head of the arbitration practice of the firm. Over a number of years Mr. Voitovich has been included in many international and domestic ratings of the best lawyers in various practices, inter alia Who's Who Legal. Commercial Arbitration, Chambers Global, Best Lawyers and others. Chambers Europe-2018:  «Sergei Voitovich of Grischenko & Partners is a veteran arbitration lawyer with a wealth of experience in both commercial and investor-state proceedings. Sources attest that he is a "well-known figure" in this field and a "very solid" choice of counsel. He is increasingly active as an arbitrator» 

 In 1981-1994 he had been an Assistant Professor, Associate Professor at the Kyiv State University, specializing in international economic law. In 1993-1994 Mr. Voitovich advised the Organization for Economic Cooperation and Development (OECD) on the investment laws of selected member states of the CIS.  In 1996, he was a legal intern at the London law firm Dickson Minto W.S.  From 1997 to 2001, Mr. Voitovich was a member of the Chamber of Independent Experts on Foreign Investment at the President of Ukraine, where he participated in four panels as a panel member. 

Sergei Voitovich serves as an arbitrator. In 2014 by the Decree of the President of Ukraine Mr. Voitovich was designated to the  Panel of Arbitrators of the International Centre for the Settlement of Investment Disputes (ICSID). Mr. Voitovich is the arbitrator of the International Commercial Arbitration Court at the Ukrainian Chamber of Commerce and Industry, Kazakhstan International Arbitration, Asian International Arbitration Centre (AIAC), Riga International Commercial Arbitration Court, China International Economic and Trade Arbitration Commission (CIETAC), CIETAC International Investment Panel of Arbitrators. Mr. Voitovich is the Fellow of the Asian Institute of Alternative Dispute Resolution (AIADR). 

Selected Representations

 Mr. Voitovich represented Ukraine as a counsel in six multi-million ICSID arbitrations and several non-ICSID investment arbitration cases (SCC, UNCITRAL), two of them under the Energy Charter Treaty. In particular, he acted as a leading counsel in the teams of counsel for the Government of Ukraine which won three famous investment cases Generation Ukraine Inc. v. Ukraine (2000-2003, ICSID), Tokios Tokeles v. Ukraine (2003-2007, ICSID) and Amto v. Ukraine (2005-2008, SCC/ECT). Furthermore, Sergei Voitovich acted as a leading counsel to Ukraine in such known cases as Joseph Lemire v. Ukraine (1998-2000, ICSID Additional Facility), Western NIS Enterprise Fund (2004-2006, ICSID), Alpha Projektholding v. Ukraine (2007-2010, ICSID), Inmaris v. Ukraine (2008-2012, ICSID), Remington v. Ukraine (2009-2011, SCC/ECT), and as the co-counsel to Ukraine in OAO Tatneft v. Ukraine (2008-2014, UNCITRAL).

 Sergei Voitovich acted as a counsel to the claimant in the investment dispute under the Energy Charter Treaty Energorynok v. Moldova (2012-2015, SCC).  In 2018 he advised the investor at the pre-arbitration stage of the investment dispute in the Eastern European state, participated in the negotiations with the government. 

 He also represented international companies in Ukrainian courts, inter alia in the disputes with the State Property Fund of Ukraine, tax administration. Mr. Voitovich assisted foreign counsel to represent Ukrainian businessmen in foreign courts. 


Mr. Voitovich is the author of more than 90 professional publications on international law and arbitration. He is the author of two books on international economic law – “The Principles of International Legal Regulation of Interstate Economic Relations” (Kiev, 1988, 129 p., in Russian); “International Economic Organizations in the International Legal Process” (Martinus Nijhoff, 1994, 217 p.). He also co-authored two books on international investment arbitration - “Alexeyev A.G., Voitovich S.A., Grischenko D.I., Shevchuk O.V. The International Centre for Settlement of Investment Disputes (ICSID): Several Issues of Jurisdiction and Arbitration Procedure” (Kiev, 2005, 303 p., in Russian); “International Investment Arbitration: Certain Tendencies and the Experience of Ukraine. Under the general editorship of S.A.Voitovich" (Kiev, 2012, 307 p., in Russian).

Bar Admissions

Kyiv Regional Bar

Education and scientific degrees

Faculty of International Relations and International Law of Kyiv State University, 1981

Faculty of International Relations and International Law of Kyiv State University, Candidate of Science in International Law, 1984, Associate Professor, 1991

European University Institute (Florence, Italy), LL.M. 1990

European University Institute, Ph.D. in International and Comparative Law, 1993

In 1995, he participated in the Annual Session of the Academy of American and International Law in Dallas, Texas.


 In 2003, Mr. Voitovich was awarded by the Cabinet of Ministers of Ukraine for his contribution to Ukraine’s victory in the arbitration case Generation Ukraine in ICSID.

In 2008, by the Edict of the President of Ukraine Mr. Voitovich was conferred the title of “The Honoured Lawyer of Ukraine”.


Mr. Voitovich speaks Ukrainian, Russian and English.


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