Born in 1958, in Tucumán, in northwest Argentina, Leiva graduated from the Fine Arts School of the Universidad Nacional de Tucumán. He continued his studies in Buenos Aires and moved to Miami in 1990. In 1996, he extended his practice to sculpture and ceramic. He lives part-time in Faenza, Italy, where he works with a variety of materials at the workshops of Bottega Gatti.
He has had many important solo and group exhibition in the US and internationally and his works are in the permanent collections of the Museo de Arte Latinoamericano de Buenos Aires (MALBA); The Snite Museum of Art at the University of Notre Dame, Indiana; the Berardo Collection in Lisbon, Portugal; the Gollinelli Collection in Bologna, Italy and the collection of the Museum of Art of Fort Lauderdale in Florida.
2014. Infinite Cycle Under Fire, Ruiz-Healy Art, San Antonio, Texas, USA.
2011. Mi paraiso / My paradise – Ruiz Healy Art, San Antonio, Texas, USA.
2011. Giants in the City – Miami Beach Botanical, Miami, Florida, USA.
2010. Nicolás Leiva – Accent Alternative Art Space, Miami, Florida, USA.
2009. Heavenly Terrain – Ruiz-Healy Art, San Antonio, Texas, USA.
2004. Paolo Marcolongo Gallery, Padova , Italy.
2004. Para chuparse los dedos – Gary Nader Fine Art, Florida, USA.
2003. Beijing International Biennial of Art, Beijing, China.
2002. Fondazione Bevilacqua la Masa, San Barnaba, Venice, Italy.
2002. The Von Leibig Art Center, Naples, Florida USA.
2001. Art Miami – Gary Nader Fine Art, Coral Gables, Florida, USA.
2000. Arti Sacro – Centro Italiano per le Arti e la Cultura, Rome, Italy.
1999. McCabe Contemporary Art, Cape Town, South Africa.
1999. Ceramic -Italian Edition, Gary Nader Fine Art, Coral Gables, Florida, USA.
1998. Legacy Gallery, Panamá, Panamá.
1997. Only Ceramic, Gary Nader Fine Art, Coral Gables, Florida, USA.
1996. Tomás Andreus Gallery, Santiago de Chile, Chile.
1996. David Pérez Mc Collum Gallery, Guayaquil, Ecuador.
1995. Gary Nader Fine Art, Coral Gables, Florida, USA.
1994. Intar Gallery, New York, New York, USA.
1993. Gary Nader Fine Art, Coral Gables, Florida, USA.
1991. Bank United by Opus Gallery, Miami, Florida, USA.
1990. Atma Gallery, Director Jacob Karpio, San José, Costa Rica.
2000. Florida Individual Fellowship, Florida, USA.
1996. Fellowship Southern Arts Federation, Atlanta, Georgia, USA.
1992. Fellowship South Florida Cultural Consortium, Miami, Florida, USA.
1989. Honorary Mention, International Art Biennial, Valparaíso, Chile.