Arkadiusz Matusiak

Arkadiusz Matusiak

Associate Poland


Arkadiusz is an expert in criminal law and proceedings, highly valued by clients for his successes in court proceedings.

Arkadiusz is a Senior Associate in our Dispute Resolution Group, based in Warsaw.

An attorney with 17 years of professional experience, Arkadiusz specialises in criminal cases.  He represents clients before the common courts, both in civil and criminal cases, and also provides assistance during negotiations. His criminal trial experience covers dozens of cases, including fraud, IP and unfair competition criminal cases.

For many years he held management positions in the State Prosecutor's Office, including Prosecutor in the Warsaw District Prosecutor's Office in the Department for Organised Crime and Corruption. As prosecutor he directly handled the most important investigations led by the Police, Central Bureau of Investigation, Internal Security Agency and Central Office of Anti-corruption.

He has been engaged in some of the highest-profile criminal cases in Poland in recent years. He successfully prosecuted the largest fraud case in Poland (over EUR 65 mln in value) and was involved in a VAT fraud case in the amount of PLN 100 million (EUR 25 million). Arkadiusz has also led cases against the most brutal organised crime groups in Poland.

His experience includes participating in several thousand proceedings in which he represented clients – both victims and the accused in civil and criminal matters. He has participated in several corruption proceedings against police and army officers, in corruption cases against public officials, including those from the Ministry of Defence and Ministry of Environment (corruption in the award of a concession for shale gas in Poland, corruption in road construction and transportation hubs in Warsaw).

Before working as a prosecutor he was a customs inspection officer, where he cooperated closely with OLAF, and currently he is OLAF expert for negotiated settlements.

Arkadiusz has advised international corporations operating in Poland in the development and implementation of anti-corruption procedures and conducted training in this field. He has represented corporations in criminal proceedings relating to unfair practices at the board and top management level.

Arkadiusz lectures at the Łazarski University in the Department of Criminal Law and at The Circuit Chamber of Legal Counsel in Warsaw. He has published many articles and works on legal issues.

He studied law at the Maria Curie-Skłodowska University in Lublin, Poland. He has also completed postgraduate studies in Organised Crime and Terrorism, and Human Resource Management at the University of Warsaw.

Arkadiusz works in Polish and English.

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