Mr. Langu has previously attended seminars about the Holocaust in Cluj-Napoca, Galati, Bucuresti, Jerusalem, Paris, Houston. He has been a trainer in the topic of the Holocaust since 2008. He’s also a volunteer at couple NGOs, publisher, editor, with a record of over 20 conferences and over 30 articles and the coordinator of two Comenius Projects. He is actively involved in the civic society, by defending and conserving local history.