Marianna Bia

Marianna Bia is an accomplished design and project leader with extensive experience delivering complex, high-profile developments across the UK and internationally. As Director at 4D Studio Architects, she leads multidisciplinary teams and oversees projects spanning film and television production facilities, healthcare, cultural destinations and commercial developments.

As Chair of NAWIC London & South East, Marianna is a passionate advocate for greater representation, opportunity and progression for women across the built environment. At London Build 2026, Marianna will chair the panel “Diversifying the Future of Construction via Apprenticeships” on 26 November at 12:00 at the Careers Hub. She will also co-host “The UK’s Largest Women in Construction Networking Event: A Global Perspective” at 15:30, bringing together industry professionals and leaders to exchange ideas, forge meaningful connections and champion the advancement of women across the global built environment.