He was born in Buenos Aires, Argentina.[1][2][3] His father, Raul Roldan, is a polo player who played with the Sultan of Brunei, as was his grandfather.[1][2][3] His mother is Dee Roldan, an interior designer.[1] He has a sister, Lupe Roldan.[1] He grew up in Wellington, Florida.[1] He started playing polo at the age of five.[1] He graduated from Cardinal Newman High School in West Palm Beach, Florida.[2]
He is an eight-goal polo player.[2][4] He owns thirty polo ponies.[1] Nic also retrains off the track thoroughbred horses (OTTBs) to use as polo ponies. [5]
In 1998, at the age of fifteen, the Escue team he played on, together with Sebastien Merlos, Juan I. Merlos and Stuart Erskine, won the U.S. Open Polo Championship.[1][6][7] The following year, in 1999, he was named polo's Young Player of the Year.[2]
In 2010, he was captain on the polo team of Prince Harry at the Veuve Clicquot Polo Classic on Governors Island.[1][2][3]
On July 28, 2013, Equus & Co sponsored United States team he played on, together with Polito Pieres, Marc Ganzi and Mike Azzaro, lost the Westchester Cup in overtime.[4]
He has been a model for Wilhelmina Models.[1][7] He has also represented Piaget SA, the watch-maker.[1][7] He also appeared on Kourtney and Kim Take Miami, where he taught polo to Kourtney Kardashian and Kim Kardashian.[2]
He has six tattoos.[1]