Andrijana graduated in law from the University of Ljubljana, and in 2010 she completed a postgraduate study of management at the Cotrugli Business School in Zagreb (Executive MBA program, accredited by the MBA Association). Later in her career, she also graduated from the Banking School at the Bank Association of Slovenia and the internal international insurance academy of the Triglav Group. She has an international certificate CCEP-I in the field of compliance. For three years, she was also a member of the international committee for the examination of this certificate.

She is the founder and president of EICE. Her most recent position in the corporation was as a consultant at the Compliance and Strenghtening Integrity Center at NLB d.d., where she led the Prevention and Compliance Development Group; the latter includes areas such as code of conduct, conflict of interest prevention and general ethics, compliance risk management, training, regulatory compliance and the implementation of compliance standards at the group level. Prior to that, she established and managed the compliance function in the largest Slovenian insurance company for almost seven years, after performing legal work in other financial organizations for several years. She participated in the formation of the Declaration on Fair Business Practices and the Slovenian Guidelines for Corporate Integrity. She regularly writes and lectures for many Slovenian and foreign newspapers or conferences and is the author of several professional articles and blogs in the field of business compliance and ethics.