John O’Mara is a Principal at Hassell Architects in London, leading the Architecture discipline. With 22 years of design and project management experience, he focuses on enhancing sustainable design and cross-disciplinary collaboration. Previously, John spent 15 years as Project and Studio Director at Herzog & de Meuron, directing significant projects like the Tate Modern Project and the Royal College of Art Studio & Research Building. He also served as Associate Director at Future Systems for seven years, contributing to residential, education, and transport projects.