In 1993, Guibert defected to Puerto Rico, from the Cuban delegation at the 1993 Central American and Caribbean Games, that was held in Ponce.

[2][3] Guibert played in the National Basketball Association (NBA) for the Minnesota Timberwolves (1993–94 and 1994–95 seasons).

[4] He was selected by the Toronto Raptors in the 1995 NBA Expansion Draft, but was waived before the 1995–96 regular season started.

After that, he played in Greece's top-tier Greek Basket League, for Sporting (1996–97), Apollon Patras (1998–99), Near East Kaisariani (1999–00), Heraklion Crete (2000–01) and KAOD (2001–02).

He also played in Italy's top-tier Lega Basket Serie A for Scavolini Pesaro (1997–98) and Benetton Treviso (2000–01),[5] and in Puerto Rico's top-tier Baloncesto Superior Nacional, for Ponce Lions (2003–04).