Marco Guarnieri is an architect, an analyst and a strategist. He initially trained as an architect at IUAV Venice before moving to London and graduating from the Architectural Association's Diploma School in 2000. 

Guarnieri worked for Zaha Hadid Architects in 1998 and for FOA from 2000 to 2003 where he had the opportunity to work on prestigious, large and small scale international projects. He set up in practice with Lea Katz in 2003 between London and Tel-Aviv and completed two projects in Israel. He later branched off to set up his own London based architectural office. His architectural background is broad and goes from residential to commercial, infrastructural and retail projects.

Parallel to his involvement with his practice Guarnieri engages in critical and theoretical work, contributing to a number of architectural magazines. He has also taught at the Architectural Association, London.