Weerasinghe has been a significant driving force in the development of Sri Lankan art since the early 1990s.
[2][3] He obtained a Bachelor of Fine Arts with Honours in Painting at the Institute of Aesthetic Studies, University of Kelaniya, Sri Lanka in 1981.
[citation needed] In 1991 Weerasinghe obtained a Master of Fine Arts in Painting at the American University, Washington, D.C.[4] Weerasinghe coined the phrase ‘90s Art Trend’, recognizing at the time the need for a cohesive framework to describe the activity of his peer group.
[2] This adopting of a phrase as framework by Weerasinghe acted as a catalyst for theoretical inquiry into the politically conscious contemporary art praxis of the 1990s in Sri Lanka.
[7] Solo exhibitions include Belief: The Promise of Absence, Saskia Fernando Gallery, Colombo, Sri Lanka, 2018;[8] Dream for Me, curated by Liz Fernando at Khoj, Delhi, India, 2018;[9] and Decorated, Breese Little, London, UK, 2014;[10] among others.