Petra Šalamun graduated from the professional economy studies at the Faculty of Economics in Osijek in 2008. In early 2022, she obtained a bachelor's degree in economics, and by the end of 2023, she earned a Master of Business Administration specializing in financial management from EFFECTUS University of Applied Sciences.

Petra joined the Praljak & Svić law firm in 2020, and assumed the role of office manager, overseeing all aspects of business operations, including providing operational support, coordinating communication, and ensuring the efficient functioning of daily activities.