Marko completed his BA(Law) majoring in Criminology and his LLB at the University of Pretoria. He is currently an LLD (international law) candidate under the supervision of Prof. Erika de Wet. He has several articles published, including two by the Pretoria University Law Press, of one which was presented at the 2016 Student Representative Council Curriculum Transformation Conference, and another published by the Harvard Africa Policy Journal based at John F. Kennedy School of Government. Marko has been both a journalist and editor at Perdeby, the largest student publication in South Africa. He was also placed in the GradStar Top 100 graduates of 2017 in SA.