Education
During his stay in United States he completed Master of Arts
During his stay in United States he completed Master of Arts
Currently he is dean of Faculty of Theology (University of Ljubljana) and director of Franciscan Family Institute in Ljubljana (Slovene: Frančiškanski družinski inštitut. foreign direct investment). on Loyola University Chicago (1988), while at Illinois School of Professional Psychology (Argosy University) he completed specialization in Diagnostics (1991), specialization in marriage and family therapy (1993), internship in marriage and family therapy (1994) and Doctor of Philosophy in clinical psychology (1995). Gostečnik was also instrumental in establishment of Slovenian Catholic Mission in Lemont in 1994.
In 1995 he returned to Ljubljana, Slovenia and became assistant professor (religious-educational psychology and medicine) at Faculty of Theology.
In the same year he also established Franciscan Family Center (Slovene: Frančiškanski družinski center) (later renamed to current Franciscan Family Institute). In two years he finished his postdoctoral study and received doctorate of theology.
He then completed his third Doctor of Philosophy study, this time from psychology at Faculty of Arts, Ljubljana. In 2004 he was elected to associate professor and in 2009 to full professor
During his academic career he "developed an innovative approach to marriage and family therapy called: Relational family therapy".
In 2007 he was co-recipient of award for work on social services from Ministry of Work, Family and Social Affairs. From 1 October 2012 he is dean of his alma mater: Faculty of Theology in Ljubljana.
He was then sent to United States for further studies and also as a member of Slovenian-American Parish in Lemont, Illinois.