Ondřej Múka is a lawyer at the firm of Krutina & Co in the Czech Republic, specialising in criminal defence, cross-border cases, extradition, human rights and data protection. Ondřej worked for the Czech Helsinki Committee until 2008 and is a member of the Czech Bar Association, the European Criminal Bar Association, and the Czech National Group of the International Association of Penal Law.

Ondřej is a practising attorney with a criminal law specialization. He represents defendants and also victims in criminal court proceedings (mostly in economic crime cases) including representation before the Supreme Court of the Czech Republic, the Constitutional Court of the Czech Republic and representation of applicants before the European Court of Human Rights. As an attorney he also represents clients against the state concerning their claims for compensation, especially that resulting from criminal proceedings.

Ondřej represents clients in extradition proceedings related to EU member states (especially the United Kingdom, Germany, the Netherlands, Poland) and also in relation to countries outside the EU (Russia, Ukraine, Israel). He also produces expert opinion for cases taking place outside of the Czech Republic, providing relevant cooperation and opinions in their cases if there are issues of the Czech legislation and judicial practice.

He is involved in organizations on a national level promoting the rights of the defense and defendants. He also passes comment on laws and their implementation in practice.