As a doctor in humanities, Petra wrote a thesis on jewellery as art, investigating different art theories, philosophical and sociological aspects of art jewellery.
She has exhibited in many countries, such as Italy, Austria, Germany, the Netherlands, Denmark, the United Kingdom, Croatia, Serbia and Columbia.
She was the founder and president of the Association for Contemporary Jewellery Slovenia (2003–2015).
Since 2013 Petra has been president of the Section for Unique Design of the Designers Society of Slovenia (DOS).
She is the author of the book ‘Jewellery as Art’, which is a short reflection on artistic jewellery as well as many other articles about jewellery, art and design.