Renganathan S is a Naval Architect with over 40 years of professional experience in shipbuilding, ship repair, ship design, classification, statutory plan approval, and maritime regulations. He holds a B.Tech (Honours) in Naval Architecture from Cochin University of Science and Technology (1985).
He began his career with Mazagon Dock Ltd, where he spent 13 years in shipbuilding, ship repair, and ship design. His responsibilities included planning and coordination of shipbuilding activities, hull inspection and testing, quality assurance, ship surveys, trials, equipment selection, and evaluation of ship designs and systems.
He joined Indian Register of Shipping (IRS) in 1998 as a Plan Approval Engineer and retired as Head of Plan Approval in April 2025, after 27 years of service. His experience includes design review and statutory approval of ships, review and development of classification rules, technical and operational feasibility studies, quality assurance and internal audits, and training and mentoring of surveyors and shipyard personnel.
He has also been involved in shipyard business evaluation and feasibility studies and in the development of rules and regulations for inland and coastal ships for the Government of India. He represented IRS in IACS and the Government of India in IMO working groups, and served as an IRS member of the IACS Hull Panel from January 2016 to October 2024.

