Michał Bernat
Michał Bernat is a lawyer in the Tax Practice Group. He is a PhD student at the Institute of Law Studies at the Polish Academy of Sciences.
He has been a chartered tax adviser since 2003. He specialises in taxation of international transactions and of foreign inbound investment, and assists clients with tax optimisation of supply chain and distribution, real estate investments, arrangements for promotion and sales support, intra- and extra-EU trade and intangible services as well as registration and documentation requirements. He has represented clients in tax audit inspections and tax disputes before the administrative courts and in proceedings before the European Commission.
Michał Bernat has also acquired considerable experience in customs and foreign exchange, as well as in allied areas of law such as state aid rules at EU and national levels concerning marketing and promotional activities. He has been involved in proceedings for restructuring of public debt and has advised on compliance of Polish regulations (including special economic zones) with EU standards as well as on the implementation of EU state aid legislation.
He is in charge of a systematic review of developments in EU law, European Court of Justice case law, EU policies and activities and practice of EU institutions. At the request of the firm’s clients and EU institutions including the European Commission, Michał Bernat has been instrumental in conducting projects concerning the harmonisation and implementation of EU laws and regulations into national legislation as well as practical aspects of EU accession for businesses in Poland and abroad.
He graduated from the Faculty of Law and Administration of the University of Warsaw and from the British Centre for English and European Studies organised by the University of Cambridge. He also gained an International Practice Diploma in International Competition Law.
He began his career at the Tax and Legal Department of PricewaterhouseCoopers in 2000, joining Wardyński & Partners a year later. He completed an internship at the European Commission in DG TAXUD. In 2003-2005 he was seconded to the firm’s Brussels office and in 2007 he completed an internship at the European Court of Justice in Luxembourg. He is the author of The ECJ Case Law in Business Matters.
Antoni Bolecki
Mateusz Blachuck
Mateusz Blachucki is a chief expert in the Department of Merger Control at the Office of Competition and Consumer Protection. Formerly he worked in the Competition Protection Department. He holds a PhD in law (thesis on the Polish merger procedure, Polish Academy of Sciences, 2011), M.A. (Hons) in Law (University of Warsaw, 2002) and M.A. in Economics (Warsaw School of Economics, 2003). Mateusz Błachucki is an expert in working groups devoted to merger control and cooperation in various international fora i.e. ICN, ECN, ECA and OECD Competition Committee. Furthermore, Mateusz has a fine academic experience during his employment as lecturer at the University of Cardinal Stefan Wyszyński in Warsaw and Warsaw University. Currently, he holds a position of assistant professor at the Polish Academy of Sciences (Institute of Legal Studies, Department of Administrative Law). He has written various articles in the field of competition law, state aids and administrative procedures.
Wojciech Dorabialski, Ph.D.
Mr. Dorabialski obtained an M.A. in Quantitative Methods from the Warsaw School of Economics and a Ph.D. in Economics from Rice University in Houston, USA. He gave lectures on Game Theory and Industrial Organization at the International School of Commerce and at the University of Warsaw. He has been working at the Office of Competition and Consumer Protection since 2007.
Monika Gabryniewska
Monika Gabryniewska –is a trainee legal advisor united in the Regional Chamber of Legal Advisors in Warsaw. Ms. Gabryniewska is a graduate of the Faculty of Law and Administration of the University of Warsaw. Ms. Gabryniewska has also completed studies on American Law at the Centre for American Law, a one-year course organised by the University of Warsaw in cooperation with the University of Florida Levin College of Law. In 2007 Ms. Gabryniewska has started to work at the Office of Competition and Consumer Protection in Branch Office in Warsaw, where she dealt mainly with issues concerning competition restricting practices and practices infringing collective consumer interests. Currently, Ms. Gabryniewska is an expert in the Industry, Services and Energy Unit of the Department of Competition Protection where she is a case-handler in numerous cases.
Ms. Gabryniewska has represented Office of Competition and Consumer Protection in international Working Group Meetings on Energy and Cartels, she also took part in national conferences and seminars.
Marta Gutkowska
Marta Gutkowska works as a senior expert in the Department of State Aid Monitoring at the Office of Competition and Consumer Protection in
Ms. Gutkowska graduated form Warsaw School of Economics (SGH) and specialized in European Union politics. She wrote a Master’s thesis in the law of EC state aid under the supervision of professor Jan Barcz. She attended post-graduate studies in the Management of Projects Co-financed by the EC Funds at Leon Kozminski Academy of Entrepreneurship and Management.
Ms. Gutkowska has represented Office of Competition and Consumer Protection in several international Working Group Meetings on EC state aid as well as took part in international conferences and seminars. Ms. Gutkowska speaks English, German and French.
Dorothy Hansberry-Biegunska
Ms. Hansberry-Biegunska offers unparalleled experience and perspective having worked as a lawyer and senior executive on both sides of the Atlantic. She worked as a regulator in the U.S. Department of Justice's Antitrust Division and as an advisor to several competition authorities in Central Europe. As a general counsel and executive of large media companies, she understands companies' challenges in complying with competition laws. As a senior partner in a Polish law firm, she headed a leading competition practice team. Hansberry Competition combines the experience of Ms. Hansberry-Biegunska with the talent of a team of specialised lawyers, chosen according to the needs of particular cases and clients.
Ms. Hansberry-Biegunska, has been widely recognised internationally and nationally as a leading practitioner in her field by Who's Who of Competition Lawyers, Chambers & Partners, Legal 500, PLC Which Lawyer, and Rzeczpospolita (a leading Polish daily).
Sonia Jozwiak
Sonia Jozwiak, LL.M. is an expert at the Polish Office of Competition and Consumer Protection since 2008. In 2008 – 2010 she worked as the European Competition Network (ECN) coordinator and subsequently moved to the case-handling department where she deals with anticompetitive practices in the Industry, Services and Energy Unit. Ms. Jozwiak has represented the Polish Competition Authority in various projects within the ECN as well as those launched by the Organisation for Economic Co-operation and Development (OECD). Prior to joining the Authority Ms. Jozwiak worked in the field of consumer protection at a cabinet of the Member of the European Parliament in
Ms. Jozwiak studied Law at the
Ms. Jozwiak's main legal interests cover Antitrust law, IP and IT. She was a speaker on the competition law and policy issues at several international events and is also an author of several publications in the field. Ms. Jozwiak speaks fluent English and French.
Krisztián Katona
Krisztián Katona is Counsel for International Antitrust at the U.S. Federal Trade Commission’s Office of International Affairs where he is responsible for multilateral antitrust affairs. He has represented the United States in several multilateral fora related to competition policy and law enforcement, including the Organization for Economic Cooperation and Development’s (OECD) Competition Committee and the International Competition Network (ICN). Mr. Katona currently also serves as an attorney at the FTC’s Bureau of Competition, investigating mergers in the retail, consumer goods, and hospital industries. Prior to joining the FTC in 2006, Mr. Katona was in private practice and worked on antitrust/competition matters in the Washington, DC office of Weil, Gotshal & Manges LLP, focusing on merger cases and antitrust litigation.
Mr. Katona received his first law degree from ELTE University School of Law, Budapest. He also holds a University Degree in French and European Law from the Université Panthéon-Assas, Paris II, as well as a Master of Laws (LL.M.) in European Competition Law from the Universität Konstanz, Germany. He obtained an LL.M. degree concentrating on U.S. antitrust law and trade regulation from the University of Virginia School of Law, where he served on the managing board of the Virginia Journal of International Law and graduated as president of his class. Mr. Katona is a member of the Bar of the State of New York and is admitted as a solicitor of the Supreme Court of England and Wales. He also is an active member of the American Bar Association’s Antitrust and International Law Sections, the New York State Bar Association, and the British Institute of International and Comparative Law.
Ioannis Kokkoris

Ioannis Kokkoris is a Reader at the University of Reading, in the UK, where he teaches company law and competition law and an International Consultant on Competition Policy for the Organisation for Security and Cooperation in Europe. He was a Principal Case Officer/Economic Advisor at the Office of Fair Trading, UK. He has worked at the DG Competition European Commission, as well as the US Federal Trade Commission where he worked as a Consultant. Dr Kokkoris has advised a number of companies (clients include publicly listed companies, e.g. Minoan Lines SA, ANEK Lines SA, National Electricity Company, ALAPIS Pharmaceuticals, Eurobank, Alpha Bank etc) on a range of competition law issues, ranging from cartels, abuse of dominance cases, as well as mergers.
He is also a Visiting Professor at Bocconi University and a Visiting Lecturer at City University Law School. He has conducted research at Harvard Law School. Dr Kokkoris' background combines both law and economics. He holds a BA in Economics (Essex, UK) and an MPhil in Economics (Cambridge, UK), as well as an LLM (with distinction Warwick, UK) and a PhD in Competition Law (King's College London, UK). Dr Kokkoris has authored/co-authored/edited 12 books and has written over 40 articles in leading journals (ECLR, University of Pennsylvania Journal of International Law, JIBLR, ICCLR, etc.). His research interests include competition law, corporate finance and banking law.
Małgorzata Kozak

Małgorzata Krasnodębska-Tomkiel
Małgorzata Krasnodębska-Tomkiel is currently the President of the Office of Competition and Consumer Protection.
Małgorzata Krasnodębska-Tomkiel had been Vice-President of the UOKiK since 21 June 2007, responsible for the operations of the Department of Competition Protection, Department of Legal Affairs and Department of Market Surveillance. She has been working for the Office of Competition and Consumer Protection since 1998.
Dr. Krasnodębska-Tomkiel has been a lecturer of EU and antimonopoly law at
She speaks fluent English. Ms Małgorzata Krasnodębska-Tomkiel holds a Ph.D. in Law.
Prime Minister Donald Tusk appointed Ms Krasnodębska-Tomkiel President of the Office of Competition and Consumer Protection 4 June 2008.
Ioannis Lianos
Ioannis Lianos (LL.B, LL.M, PhD Law, University of Strasbourg; LL.M Trade Regulation, NYU Law, PhD Sociology (prob.) Cambridge Univ.) is a Reader (professor) in European Union Law and Competition Law and Economics at the Faculty of Laws, University College London (UCL) (since 2005), the Director of the Centre for Law and Economics (Competition, Regulation and Public Policy) and the co-director of the Institute of Global Law, the Centre for Law and Governance in Europe and the Jevons Institute of Competition Law and Economics at UCL. He is also the co-founder and chairman of IMEDIPA, a NGO in competition law established in Athens, Greece. Ioannis is the co-editor of the Global Competition Law & Economics Series published by Stanford University Press. His book, published in French in 2007, on the Transformation of competition law by economic analysis of law (Brussels, Bruylant, XIX+1698 pp) earned the Emile Girardeau prize of the French Academy of Social Sciences (Académie des Sciences Morales et Politiques). He is currently co-authoring a book on Private Enforcement - A Global perspective (forthcoming Oxford University Press, 2011), a book on Competition Law Remedies in Europe (forthcoming Hart Pub, Oxford, 2011), a casebook in EU and UK competition law (forthcoming Hart Pub., 2011) and has published widely in European law and competition law, including five edited volumes (including the forthcoming Research Handbook in EU Competition Law, Edward Elgar and The EU After the Treaty of Lisbon, Cambridge Univ. Press), a number of chapters in collected volumes and articles in generalist and specialised in competition legal journals. His recent research focuses on the impact of the emergence of forensic economics and economists on the evolution of economic thought and on the assessment of economic evidence in courts.
Jacquelyn F. MacLennan
Jacquelyn MacLennan serves as the Executive Partner of the Brussels office of White & Case. She practices EU law and concentrates on competition and trade law and EU internal market regulatory issues, particularly environmental law.
She regularly teaches courses on EC competition law and speaks at conferences on her subjects of expertise.
Philip Marsden
Dr Philip Marsden is Director of the Competition Law Forum and Senior Research Fellow of the British Institute of International Comparative Law. His research interests include abuse of dominance, international competition issues and agency governance and effectiveness. Philip is also a Non-Executive Director on the Boards of the UK Office of Fair Trading (since 2008) and the Jersey Competition Regulatory Authority (since 2010). He is a Professor at the College of Europe, Bruges, teaching the core LL.M. competition course. Philip is also co-founder and General Editor of the European Competition Journal. Philip has practised competition law in Toronto, Tokyo and London, advising firms in the retail, software and mobile telephony sectors and still acts as an advisor and expert witness in these areas. He is a consultant to the LSE and OECD, most recently responsible for reviewing Egypt's competition regime.
Małgorzata Mroczkowska-Horne

Małgorzata Mroczkowska-Horne specializes in competition and antitrust law.She is a senior counsel at White & Case and the head of the competition law practice in the firm's Warsaw office. Małgorzata advises on various aspects of competition law and represents parties in proceedings before competition authorities. In her practice, Małgorzata has advised with regard to concentrations of business entities in, among others, pharmaceutical, insurance, finance, media, luxury goods, consumer products, energy, machinery and chemical sectors, including in relation to multi-jurisdictional concentrations.
She advises on a range of antitrust issues including various aspects of market practices and distribution systems’ compliance with competition law. Małgorzata has regularly provided training seminars and advised on antitrust compliance programs.
Before focusing on competition law, Małgorzata worked for several years as a successful mergers & acquisitions lawyer and participated in many privatization processes, advising both foreign investors and Polish enterprises. Prior to joining White & Case, Małgorzata worked for another international law firm in Warsaw, which included a secondment to that firm’s London office where she worked in the emerging markets team.
Małgorzata graduated from the Faculty of Law and Administration at Warsaw University. She also completed postgraduate studies at King’s College University of London where she earned a Diploma in EC Competition Law. She graduated from the British Center for English and European Legal Studies at Warsaw University organized in cooperation with Cambridge University. Małgorzata is qualified in Poland as a solicitor and has been a member of the Warsaw Chamber of Solicitors (Okręgowa Izba Radców Prawnych) since 2001.Małgorzata Modzelewska de Raad

Małgorzata Modzelewska de Raad is a partner at Wierzbowski Eversheds, where she leads the Competition and Litigation Team, with over ten years of experience. Małgorzata specializes in competition (antimonopoly) law, as well as consumer protection matters (in particular, issues regarding restrictive practices in the collective consumer interests) and unfair competition law.
She has represented Polish and foreign companies in various civil and administrative proceedings. Małgorzata has worked among other for Poland’s leading telecom operator and a DIY retailer in high-profile antimonopoly proceedings. She conducts a number of cases concerning advertising and unfair competition law.
She provides competition law advice to leading companies from the energy, food, automotive, chemical, service, production, FMCG, retail, pharmaceutical, and publishing sectors. Małgorzata has lectured on competition law for Wierzbowski Eversheds’ clients in terms of different aspects of competition law. She has authored various publications, i.a. in the “World’s Finance” and “Rzeczpospolita. The “Chambers Europe” recommends Małgorzata in antitrust and competition law.
Other lawyers from various competing law firms “admire her for her absolute commitment and great experience”. In its 2009 and 2010 edition “Rzeczpospolita” ranking recommends Małgorzata in competition and antitrust law. Małgorzata is a member of the Warsaw Bar and Competition Law Association.
Zsuzsanna Remetei Filep

Pál Szilágyi

Pál Szilágyi is the Director of the Competition Law Research Centre in Hungary. He is lecturer at the Pázmány Péter Catholic University (Faculty of Law and Political Sciences and Faculty of Humanities) where he teaches competition law and European law. Pal obtained postgraduate diplomas from King's College London and University of Cambridge and an LLM in Competition Law at King's College London.
Pal is the director of the postgraduate diploma in competition law program at PPKE and is the author of several articles in Hungarian and English on competition law.
András Tóth

Tihamér Tóth

Tihamér Tóth is a counsel and member of the EU, Antitrust/Competition practice group of the Budapest office of White & Case. He joined the Firm in January 2010. His practice mainly focuses on state aid matters, European Law and Hungarian and European Competition Law.
Tihamér's extensive knowledge of competition law stems from his previous leadership positions. Prior to joining White & Case, Tihamér was President of the Competition Council of the Hungarian Competition Office from 2003-2009 and Vice President of the Hungarian Competition Authority.
He also has over 15 years of experience working in government with the European Office of the Ministry of Foreign Affairs.Tihamér is an associate professor of Competition Law at the Catholic University in Budapest and also a frequent guest lecturer of European Law at the University of Szeged. He is a member of the Scientific Committee of the International League of Competition Law. He was also the chief editor of the “Competition Mirror,” a quarterly journal of the Hungarian Competition Office, between September 2005 – October 2009.
Nikolaos Vettas

Nikolaos (Nikos) Vettas is a Professor of Economics at the Athens University of Economics and Business since 2003 and is also serving as the Chairman of its Economics Department since 2007. Among his prior appointments, he has been as Associate Professor at the Fuqua School of Business at Duke University, USA, and a Visiting Professor of Economic and Political Sciences, INSEAD, France. He holds a B.A., Economics (1989), Univ. of Athens, and an M.A. (1992) and a Ph.D. in Economics (1994), Univ. of Pennsylvania, USA. His research and teaching interests include Industrial Organization, Microeconomic and Game Theory, Competition Policy and Regulation.
He is a member of the Economic Advisory Group for Competition Policy of the European Commission, DG-Competition, Brussels (2004- ) and a Research Fellow at the Centre for Economic Policy Research (CEPR, London, UK, 2004- ). He has served as a Full Member of the Greek Competition Commission (2000-2003) and a member of the Executive Committee of the European Association for Research in Industrial Economics (2003-2009).
He has offered consulting services to businesses and agencies in the area of competition policy (collusion, mergers, and abuse of dominance cases) in several industry sectors. He is an Associate Editor of the Journal of the European Economic Association (2008- ), of the Journal of Industrial Economics (2005- ) and of the International Journal of Industrial Organization (2002- ). His publications include articles in journals such as the RAND Journal of Economics, International Economic Review, Review of Economic Studies, European Economic Review, International Journal of Industrial Organization, Journal of Industrial Economics, Mathematical Social Sciences, Antitrust Bulletin, Information Economics and Policy. He has presented seminars to over 40 Universities worldwide and organized many international conferences.
He is the recipient of a number of awards, including the Outstanding Teacher award in the MBA program of INSEAD, and in the Core MBA and the Global Executive MBA Program at the Fuqua School of Business, Duke University, the Young Economist Award, European Association for Research in Industrial Economics, 1994, and an Alfred P. Sloan Foundation Doctoral Dissertation Fellowship, 1993.