[3] Plantey was born in the city of Neuquén on August 29, 1982, although days later he moved with his family to the rural area.
[6] Despite his injury, Plantey's high school physical education teacher encouraged him to continue practicing sports such as basketball, volleyball and handball.
[6] His first contact with adapted skiing was at the age of 14, when he was on vacation with friends in San Martín de los Andes.
[6][7] In 2010, Plantey travelled to Aspen, Colorado, U.S., where he had the opportunity to compete against Taylor Walker, the number one-ranked adapted skier.
After returning to Argentina, he contacted an instructor who was creating an adapted skiing team in Mendoza Province, and began training at Las Leñas.