In 1998 de la Haba married Teresa Maher, heiress to the legendary pub McSorley's Old Ale House.
De la Haba continues McSorely's long tradition of attracting notable artists[8] and writers like John Lennon, e.e.
Cummings, Robert Henri, John Sloan and George Bellows by hosting literary events with contemporary writers like Pulitzer Prize-winning poet Franz Wright, Micah Ling, Douglas Light, Kevin O'Hara, Rob Sedgwick, Jack Brown, TJ English, John Reed, Jeffrey Wright, Joseph O'Connor, and Richard Stratton, among others.
Curatorial projects include, Danny Minnick: Liquefied Troubles, 2018, Geuer & Geuer Art GmbH, Dusseldorf, Germany;[30] Frieze Frame: Important Paintings by American Artist Judy Rifka, A 40 Year Retrospective: Paintings from 1974-2016, 2016,[31][32] Amstel Gallery at The Yard; Leon Löwentruat: Träumereien, 2016,[33][34] Avant Garde LES in New York, NY; John Havens Thornton: 50 Years of Painting: 1964-2014, 2016,[35][36][37][38] Amstel Gallery, New York, NY; Who Shot Natalie White?, 2016, Featuring Peter Beard, Olivier Zahm, Michael Dweck, Max Snow, Will Cotton, Anna Bloda, Spencer Tunick, and Natalie White,[39][40][41] ROX Gallery, New York, NY; Magnificent Obsession: The Early Paintings of Abstract Expressionist Joann Gedney (1948-1963), 2014,[42][43] ROX Gallery, New York, NY; Pacific/Current, 2014, Featuring Andy Moses, Michael Torquato de Nicola, Martin Durazo, Gregory Siff, and Casper Brindle; (e)merge Art Fair, Washington, DC; What Rules: Featuring Kathy Grayson, Laura O’Reilly, Gregory de la Haba, & Lee Wells, 2014,[44] Cutlog, New York, NY; and Colette Lumiere, Justine’s Reverse Pop Series, 1978-1983, 2013, The Yard, New York, NY.
As a publisher, De la Haba has worked with several contemporary art writers, including Anthony Haden-Guest, Shana Nys Dembrot, Paul Laster and Kara Rooney.