Alen Rajko is a judge and the president of the Administrative Court in Rijeka. He was born in Rijeka in 1970. He received his bachelor's degree from the Faculty of Law, University of Rijeka, and earned his master's and doctoral degrees in Access to Information from the Faculty of Law, University of Zagreb.
He has authored books and articles, as well as lectured on communications, and administrative, constitutional and workplace law (more than 550 units). He holds the title of research associate and is an external associate of the law faculties of Zagreb and Rijeka. He has participated in several working groups on the drafting of laws. He is a member of numerous professional associations in Croatia and abroad.