John Sajan

Partner & Principal Architect

With over a decade of architectural leadership and a passion for sustainable design, John Karimattom serves as Partner and Principal Architect at BuildNG and is the Founder of Graha, BuildNG’s dedicated design partner. Based in Dubai, he leads the creative vision across both practices—championing innovative, responsive architecture that seamlessly integrates form, function, and environmental consciousness. Through his dual leadership, John has guided the delivery of landmark projects spanning residential, hospitality, civic, and commercial developments. His design philosophy is rooted in practicality and purpose—crafting solutions that deliver exceptional user experiences, technical excellence, and long-term value. As both an empathetic leader and mentor, John fosters a collaborative studio culture within Graha and BuildNG, where design ingenuity and client engagement thrive. His commitment to thoughtful architecture, resilience, and sustainability not only defines the distinctive portfolios of both firms but also positions them as trusted advisors in the region’s built environment.