Stella launched LACUNA in 2010 to realise visionary public art projects and events. Her established relationships with London’s business and arts communities enrich her curatorial and leadership roles and contribute to LACUNA's growing success. Stella is Artistic Director of Sculpture in the City (since 2011), having delivered 162 artworks by 137 artists to date. Led by Stella, LACUNA has delivered the ambitious public art programme of permanent and rotational art commissions at Paddington Square; and more recently has delivered 3 new artworks at 40 Leadenhall, as part of the public art programme the team curated for this new state of the art building.

She is former Culture Mile Outdoor Art Curator (2017–2019), Advisor to the City of London’s Eastern City Cluster Area Strategy (2017-19) and Creative Lead for Celebrate the City (2012), the Square Mile’s cultural programme for the London Olympics. Stella is a Mayor of London and London Borough of Culture approved consultant, a trained architect and dancer, a liveryman member and court assistant of the Worshipful Company of Chartered Architects, and a member of the City Architecture Forum. Stella was Founding Deputy Director of the London Festival of Architecture (2003-2007) and in 2021 joined the Lord Mayor’s Culture and Commerce Task Force. Stella regularly lectures and sits on art juries in the UK and abroad.