Petr obtained his Master’s degree in Law from the Law Faculty of Charles University and has also graduated from the Police Academy of the Czech Republic. Petr is registered on the roll of lawyers of the Czech Bar Association. On his practice, Petr specialises in criminal and administrative law including representation of clients before courts and other authorities. In his work for Mašek, Kočí, Aujezdský, Petr has defended clients in a number of significant criminal cases widely reported on by the media. As part of his criminal law practice, Petr has become a member of the Union of Defence Lawyers of the Czech Republic.