Uljana graduated from the University of Amsterdam with a bachelor's degree in psychology and holds a master's degree in clinical psychology from Erasmus University Rotterdam. During her university studies, she also completed courses in cognitive-behavioral therapy, client-centered therapy and motivational interviewing. During her internship, Uljana worked at the Addiction Research Center in Rotterdam and wrote a thesis on alcohol and cannabis consumption habits in different age groups. Uljana is also a co-author of a research paper on psychological thinking styles and conspiracy theory beliefs.