Ruwanthi Gajadeera is a Sri Lankan-British designer and material artivist whose work is grounded in sustainability and cultural storytelling. Her academic path weaves together a BA in Fashion & Textiles from Northumbria University, an MSc in Sustainable Management from the University of Bedfordshire, and an MA in Design Innovation from De Montfort University prior to expanding her practice through an MA in Fashion at the Royal College of Art.

Her interdisciplinary project, S.O.S – Save Our Seas , transforms scientific data on ocean degradation into participatory, multi-sensory experiences through sustainable fashion, scent design, and hands-on community workshops. Centering public engagement, she works closely with marine biologists like Dr.Asha De Vos   and environmental institutions to co-create inclusive platforms where people of all backgrounds can creatively engage with ecological challenges. As a material artivist, Ruwanthi uses reclaimed textiles, natural dyes, and heritage crafts to foster dialogue between science, culture, and activism. She has exhibited internationally, including at the UN Ocean Conference in Nice, France ,conducted mass community activism events at the European Parliament and champions fashion as a tool for ecological storytelling and behavioural change.