Prelog was educated in Austria, studying tourism and hospitality management in a five-year course of study. After graduating, he held several positions including restaurant manager and front office manager in Austrian hotels for another five years prior to joining Seabourn. He joined Seabourn in 1998 as an assistant maitre d'hotel. He was in training in 2003 to be an onboard hotel manager when the company invited him to move ashore as fleet hotel operations manager in the company's Miami headquarters. He was promoted to director of hotel operations in 2008.
Prelog made the transition from Miami to Seattle when the company moved its headquarters in 2011, and now lives in Snoqualmie, Wash., with his wife and two daughters.