Arbitrators' search

Court of Arbitration at the Confederation of Lewiatan - modern institution serving entrepreneurs and quick resolution of commercial disputes

back to list

Tomasz Siemiątkowski

Year of birth
Finance, banking
Mergers and acquisitions (M&A)
Antimonopoly law
Energy law
Pharmaceutical law
Labour law, management contracts
Corporate law
Intellectual property
Infrastructural projects
Commercial agreements in general
Professional certification
attorney at law


  • Professor dr hab., PhD of Economics, dr hab. of Law



Professor dr hab. Tomasz Siemiątkowski, attorney at law, PhD of Economics, dr hab. of Law, professor at WSE [Warsaw School of Economics] (Head of Commercial Law Dept.) and UKSW [Cardinal Stefan Wyszyński University] in Warsaw. Scholar at: University of Minnesota, University of California – Berkeley, Boalt Hall School of Law and Max-Planck – Institute in Hamburg. Formerly a member of Supervisory Board of inter alia PKO BP S.A., PLL LOT S.A. and Polbank S.A. Currently, member of Academic Research Group at PGNiG Capital Group, Head of Supervisory Board at Polska Grupa Zbrojeniowa S.A., member of team for company law at Civil Law Codification Committee. Head of editorial committee of “Przegląd Corporate Governance”, member of “ADR. Arbitraż i Mediacja” and “Wiadomości Ubezpieczeniowe” councils, member of editorial committee of “Palestra” and member of Programme Council and Academic Council at Ośrodek Badań ADR Prawo i Gospodarka [ADR Research Centre Law and Economy] at Faculty of Law, Canon Law and Administration of the John Paul II Catholic University of Lublin.

Arbitration experience

  • 10 – year experience


Membership in organizations

  • Polish Association of Sports Law (PTPS);
  • Polish Association of Law and Economics (PSEAP);
  • Polish Arbitration Association (PSSP);
  • Lublin Development Foundation;
  • WSE Foundation for Management Education Development;
  • American Law & Economics Association (ALEA);
  • Polish Football Foundation;
  • Polish-American Oncology Foundation.


  1. “Commercial representation in partnerships and companies” (LEXIS NEXIS 1999), author;
  2. “Civil liability in partnerships and companies” (C.H. Beck 2007), author;
  3. Commentary to Commercial Companies Code. Partnerships. (LEXIS NEXIS 2011), volume No.  1, co-author and co-editor;
  4. Commentary to Commercial Companies Code. Limited Liability Company. (LEXIS NEXIS 2011), volume No.  2, co-author and co-editor;
  5. Commentary to Commercial Companies Code. Joint-stock Company. (LEXIS NEXIS 2012), volume No.  3, co-author and co-editor;
  6. Commentary to Commercial Companies Code. Merger, Division and Transformation of Companies. (LEXIS NEXIS 2011), volume No.  4, co-author and co-editor;
  7. System of Private Law Volume No. 16 "The law of partnerships," ed. A. Szajkowski, co-author;
  8. System of Private Law Volume No. 17 "The law of limited liability companies" ed. S. Sołtysiński, co-author.

back to list