"[14] In 2010, the Bloomberg Administration and the Department of Transportation invited Macro Sea to participate in NYC’s Annual Summer Streets event.
The installation was set along the Gowanus Canal in Brooklyn, and included a 20-foot-by-30-foot clear box with high steel walls and bulletproof glass, at which participants threw and smashed bottles.
[15] In 2014, Macro Sea and its sister firm DBI Projects began construction to convert the Roka manufacturing complex in Berlin, Germany, into a "design-centric residence for students living abroad."
[16][17] The 85,000-square foot complex is located at 27 Gneisenaustrasse includes "administrative offices and faculty apartments, and a large six-story factory building set back from the street and separated by a magnificent tree-lined interior courtyard.
"[16] Belt is the co-founder and Chairman of Newlab, an interdisciplinary space designed to support entrepreneurs working in emerging technologies, and a resource for tech, hardware, and new manufacturing in New York City.
[18] Based in the Brooklyn Navy Yard, Newlab supports over 70 companies in a variety of fields—including robotics, A.I., urban technology, and energy—with the goal of encouraging cross-discipline collaboration.
[24] Belt has donated consulting services and intellectual capital related to the build-out of nonprofit facilities throughout NYC through the Robin Hood Foundation.