Open navigation
Search
Offices – Poland
Explore all Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
Insights – Poland
Explore all insights
Search
Expertise
Insights

CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

Explore topics
Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
CMS Poland
Insights
About CMS

Select your region

Arkadiusz Korzeniewski
Partner

Arkadiusz Korzeniewski

Head of Corporate Crime, CEE

Languages
  • Polish
  • English
  • Italian
  • Hebrew
Social media

Arkadiusz Korzeniewski is a partner in the Dispute Resolution practice, Head of Corporate Crime in CEE and Head of Corporate Crime & Compliance Team in Poland.

He has 25 years of experience in advising clients in corporate liability and investigations, corporate disputes, and arbitration proceedings. He also focuses on strategic advice concerning complex multi-disciplinary matters. He provides strategic support to management boards, supervisory boards, and legal departments in contentious and non-contentious matters.

Arkadiusz focuses on both preventive compliance (procedures and audits) and investigation compliance (representing clients in internal investigations). He also provides strategic advice concerning external proceedings (conducted by law enforcement agencies and courts). He also advises on issues related to the protection of whistleblowers. He prepares and advises on whistleblower procedures, and conducts interviews with whistleblowers.

He represents clients in corporate litigation cases. He regularly represents clients in highly complex corporate disputes. These are cases related to transactions such as post-SPA disputes, conflicts between shareholders or conflicts related to takeovers.

Arkadiusz also has significant experience in international commercial and investment arbitration. His unique experience primarily covers international investment arbitration. He represents clients in many high-profile cases concerning foreign investments in Poland. His experience also includes arbitration on large infrastructure projects, including the largest dispute in a Public-Private Partnerships road investment. Arkadiusz also advises on matters related to post-enforcement and the setting-aside of arbitral awards.

Arkadiusz is also experienced in complicated court and arbitration disputes concerning industrial construction, including EPC projects, as well as in criminal and civil disputes regarding medical devices and pharmaceutics.

He represents clients in proceedings before Polish civil and criminal courts, as well as domestic and international arbitration tribunals such as the International Chambers of Commerce (ICC), the Austrian Economic Chambers, and the Court of Arbitration at the Polish Chamber of Commerce.

Arkadiusz is a frequent speaker at conferences and workshops on criminal and civil liability of managers, and on anti-bribery regulations.

He is recommended in the white-collar crime category in the international rankings Chambers and Partners and the Legal 500, as well as in the dispute resolution category in the Legal 500.

Awards & Recognitions
01
  • Quote
    "Arkadiusz Korzeniewski is passionate about his work and will go the extra mile to meet counsel's needs."
    Chambers, 2025
  • Quote
    Arkadiusz Korzeniewski dedicates his practice to handling criminal proceedings and internal investigations within the white-collar crime sphere.
    Chambers, 2022

Relevant experience

  • A German entity in a dispute concerning compensation for broken negotiations. 
  • A leading international company from the waste management sector (the seller) in a case related to a refusal to make payment. Following the SPA concerning a purchase of 100% of the shares in a Polish company, the buyer refused to pay the seller the final instalments. The case concerned liability for representations and warranties.
  • An investor in civil and criminal matters related to a privatisation agreement, including strategic advisory services regarding an exit from the investment. The scope of services included assistance in civil disputes concerning a resolution of the shareholders’ meeting and civil disputes arising from using the infrastructure, representation of the board members in disputes initiated by a minority shareholder, as well as representation of the company and investor in criminal proceedings concerning the SPA agreement.
  • An international IT company:
    • before the Central Anti-Corruption Bureau and the prosecutor’s office during the Info-gate corruption scandal. The scandal involved former state officials and commercial directors of IT-sector companies being charged with corruption relating to multi-million zloty IT contracts concluded with units accountable to the Ministry of the Interior and Administration. Proceedings were also conducted before American authorities (based on American anti-corruption regulations – FCPA);
    • in proceedings carried out by the Central Anti-Corruption Bureau in connection with alleged irregularities in single-source procurement contracts that the client had concluded with the Ministry of Justice;
    • in an internal investigation concerning the performance of a contract for the National Healthcare Fund;
    • in a PLN 71.5m dispute with the President of the Public Procurement Office (UZP) regarding an alleged infringement of public procurement law in relation to four contracts concluded with the Polish Ministry of the Interior for the supply and implementation of complex IT systems concerning the General Electronic System for Citizens Evidence (PESEL2), which is mandatory for all permanent residents of Poland, and other public registers, in which UZP is demanding the invalidation of these contracts.
  • An international bank in an internal investigation concerning the suspected manipulation of the WIBOR rate in relation to the LIBOR scandal.
  • A major petroleum company in an internal investigation concerning bribery charges against its employees.
  • An international pharmaceutical company in criminal proceedings conducted by the Central Anti-Corruption Bureau in relation to a suspicion of healthcare professionals having been bribed.
  • An international pharmaceutical company in a precedential crime case in Poland concerning irregularities in clinical trials in which our client and monitoring companies were the injured parties.
  • An international pharmaceutical company in a case concerning a patient’s claims for compensation in relation to damage allegedly caused by medication for schizophrenia.

Education

  • 2015 - Post-graduate Studies in Evidence Law, Jagiellonian University, Krakow.
  • 2014 - Post-graduate Studies in Combating Commercial and Fiscal Crime, Jagiellonian University, Krakow.
  • 1997 - Master’s degree, University of Warsaw, Faculty of Law and Administration, Warsaw.
  • 1997 - University of Warsaw & University of Cambridge, Centre for the Study of English European Union Law, Warsaw.
Back to top