Join Kliment Halsband Architects and Pelli Clarke Pelli Architects at their offices for drinks, conversation, and a behind-the-scenes look at ongoing work. Established in 1972, Kliment Halsband Architects is based in New York City and Northampton, MA. The firm works with public and private organizations and clients in the educational, cultural, and civic realms. KHA values architecture’s accommodating role.