Nanik Prihartanti is an expert on personality psychology who works as a lecturer at Psychology Faculty of Universitas Muhammadiyah Surakarta. Before getting a doctorate degree in 2003, she attained a bachelor degree in psychology and a master degree in clinical psychology consecutively in 1986 and in 1994. She got all the degrees from from Universitas Gadjah Mada (UGM) Yogyakarta. Dr. Nanik has been working as a lecturer and a psychologist in UMS, as well as an assessor at Board of National Accreditation for Higher Education (BAN-PT). Being active since 1991, 5 years after her graduation, she involved herself in many activities such as publishing articles and books, doing scientific activities, conducting research, and examining dissertation.