Career
In 1981, Velchev graduated from the English language high school in Sofia. He was subsequently enrolled as a student at the juridical faculty of Sofia University, earning the right to practice law in 1990. Since 1 November 2012, Velchev has been a judge at the Constitutional Court of Bulgaria.
In addition to his native Bulgarian, Velchev also speaks English and Russian.
His hobbies include the study of history and numismatics.