Miran Gajšek holds a Master's degree in Spatial and Urban Planning.

Throughout his career, he has worked in many fields related to spatial planning and landscape design. He also worked as a young researcher at the Urban Planning Institute of the Republic of Slovenia and later at the Ministry of the Environment and Spatial Planning, in the Office of the Republic of Slovenia for Spatial Planning, Section for Regional Spatial Planning. At the turn of the millennium, he took up the post of Director of the Planning and Construction Institute of the Municipality of Celje. Later he was Head of the Urban Planning Department at the Municipality of Ljubljana. He last worked for the Municipality of Celje as Head of the Department for Environment, Spatial Planning and Municipal Services.