Gabriel de Guzman joined Smack Mellon in 2017. As the Curator and Director of Exhibitions, he is responsible for the successful curation and production of all exhibitions in the gallery.

Gabriel was the Curator of Visual Arts at Wave Hill for over seven years, organizing the Sunroom Project Space series for emerging artists, as well as thematic group exhibitions in Glyndor Gallery including Nature Pops! (2016) and Prickly, Tender and Steamy: Artists in the Hothouse (2014). He curated Call & Response (fall 2017), which included new work by 50 alumni artists who have exhibited site-specific, solo projects in Wave Hill's unique space since 2007. As a guest curator, he has also organized recent exhibitions at Dorsky Gallery Curatorial Programs, En Foco at Andrew Freedman Home, Carriage Barn Arts Center, the Affordable Art Fair New York, Rush Arts Gallery, Northern Manhattan Arts Alliance (NoMAA), and the Bronx Museum's 2013 AIM Biennial.

Before joining Wave Hill's staff in 2010, he was a curatorial assistant at The Jewish Museum, where he coordinated exhibitions on Louise Nevelson, Harry Houdini, Joan Snyder, and Andy Warhol, as well as Schoenberg, Kandinsky, and the Blue Rider. His writings have been published in catalogues for Wave Hill, the Bronx Museum, Dorsky Gallery, the Arsenal Gallery at Central Park, The Jewish Museum, Rush Arts Gallery, NoMAA, Kenise Barnes Fine Art, and the spring 2017 issue of Nueva Luz: Photographic Journal. He earned an M.A. in art history from Hunter College, City University of New York, and a B.A. in art history from the University of Virginia.