As a longtime architect and Founding Principal at New York City residential construction juggernaut AE Greyson, Miami native Joseph Kusnick knows his way around a modern structure. As a designer and builder of some decidedly 21st century projects in Gotham including the Barry residence for Annabelle Selldorf; the Einbender residence at the former Police Building for Charles Gwathmey; a private residence for Richard Meier at The Perry Street Towers among many others, Kusnick’s sprawling Old Chatham residence, Kinderhill Farm, definitely hits in a different way. And it’s breathtaking. When Kusnick and his wife, the interior designer Tracy Brown, purchased Kinderhill Farm…