Subhranshu Sekhar Das is a Project Director of the Nusantara Smart City Solutions Technical Assistance within the Eficens-led Consortium as well as an Executive Board Member of Frost & Sullivan. His project role connects OIKN and consortium specialists across enterprise architecture, stakeholder engagement, supplier assessment, financing preparation, sustainability and capacity development. He brings a decision-intelligence perspective to city transformation, linking service design with data, AI-assisted analysis and practical implementation. OIKN’s public project announcement identifies his leadership role and his contribution to Nusantara’s cognitive-city vision.