Son of Marcie and Marlon ... Has one sibling, Jake ... Father was captain of the William & Mary track & field team in 1985 and holds the 35-lbs weight throw record and ranks No. 3 in the hammer...Back in 2016, Sam Mattis had just graduated from the University of Pennsylvania’s Wharton School with a degree in economics and had a lucrative job offer at JPMorgan Chase. But the NCAA champion discus thrower turned down the Wall Street firm to pursue his dream of competing in the sport full-time.