Prior to his arrival at Navy, Pristouris was studying graphic design at the Parson's School of Design in New York City.
Pristouris received his bachelor's degree in business administration from LIU Post in 2015, where he was a member of the men's lacrosse team. He earned his master's degree in marketing from the University of Exeter in the United Kingdom in 2016. He also coached men's lacrosse while at Exeter.
Pristouris is a native of Danbury, Conn. He currently resides in Annapolis.