Mattie O’Callaghan, Graduate Landscape Architect

Mattie is a landscape architect, horticulturalist and curator and has been working at Oval since 2024 on a range of masterplanning, planting and community projects. They are also currently the Horticultural Trainee at the Garden Museum.

Working at the intersection of design, art and ecology, they are centred around questions of climate justice, materialities and local ecologies. At the heart of this, is how can we co-design spaces with communities reusing on site materials and engaging with biodiverse and climate-resilient planting. 

They have received their MLA in Landscape Architecture with Distinction from the University of Greenwich. They have a MA in Curating at the Royal College of Art with Distinction and have a BA in Geography from the University of Cambridge.