1982 | Founding of Studio Dini Architettura e Associati with Umberto Capelli, Claudio Dini and Gianfranco Mannini.


1988 | Founding of Studio Dini-Capelli Architettura with Umberto Capelli e Claudio Dini.


1988 | Founding of Italengineering s.r.l. - engineering office.


1996 | Founding of Studio Capelli-Masella with Umberto Capelli and Rudy Masella.


2004 | Founding of Studio Capelli Architettura & Associati with Umberto Capelli, Marco Fossati and Raffaello Sandri.