Nestor grew up in Greece with an American father and Greek mother. At the age of 19 he moved to the US and joined the Navy. He served for ten years, first as a combat medic and then as a SEAL, before deciding to leave the service to pursue his passion for STEM as a full time student. He received a General Discharge in 2018 and was accepted to Stanford University the same year. He intends to major in mathematics and possibly something else with the goal of becoming a mad scientist like Rick from Rick and Morty.