Sri Lanka: Siam City Cement (Lanka) (INSEE Lanka) has appointed Thusith C Gunawarnasuriya as its CEO. He succeeds Nandana Ekanayake, who will continue to work as the company’s chair, according to the Daily Mirror newspaper.
Gunawarnasuriya most recently worked as INSEE Lanka’s Chief Operating Officer in 2025. Earlier, he was the company’s Director Procurement & Logistics from 2017 to 2021. He also held procurement roles for Holcim Lanka from 2004 to 2010. Away from the cement sector his career has included senior management roles at Lion Brewery (Ceylon), Hemas Manufacturing, Fonterra Brands Lanka, GlaxoSmithKline, MAS Active and DMS Software Engineering with work in India, Bangladesh and Thailand. Gunawarnasuriya holds an undergraduate degree in Electrical and Electronic Engineering from the University of Peradeniya, a master’s degree in Business and Organisational Psychology from Coventry University in the UK and a master’s of business administration (MBA) qualification from the University of Colombo.


