An All-Star Design Team Took Inspiration From a Notable England Architect For This Hamptons Home Bryan O’Sullivan Studio, Kligerman Architecture & Design, and Deborah Nevins brought their talent to the five-acre blank canvas Two custom circular sofas anchor the living room of this 15000-square-foot Hamptons home designed by Bryan O'Sullivan and Kligerman Architecture & Design . “We did lots of studies on what size these sofas should be,” says the Irish designer. “The goal was to keep the energy tight, but also occupy enough of the room so it feels appropriate.” Above the seating hangs a bronze pendant by Patrice Dangel for Alexandre Biaggi. The project's landscape design is by Deborah Nevins and the construction is by Wright & Co .…