[1] Nunez has a fraternal twin brother, Dylan, who was a globally ranked junior tennis player, and is now an aspiring actor.

[1] Nunez began his racing career in the Skip Barber Summer Series in 2011 where he won the championship.

In 2012 he was the 2012 Cooper Tires Prototype Lites champion[1] and won the Team USA Scholarship to compete in the Formula Ford Festival.

Driving with Charlie Shears and David Heinemeier Hansson, he finished 11th in the American Le Mans Series' 2013 12 Hours of Sebring where he competes in the LeMans Prototype Challenge class for Performance Tech Motorsports.

[2] For 2014, Nunez was signed as a Mazda factory driver in the United SportsCar Championship.