Graduated in Architecture at the University of Rome “Sapienza” in 1970, it is here in 1987 that he receives a call as Professor of Architectural History, which he holds now. At the same University he has held since 1996 numerous academic appointments. Amongst these he is President of the graduate course of Architecture and Restoration and Conservation of Architectural Heritage (2001-2009) and since 2009 Dean of the Department of History, Representation and Restoration of Architecture. He has been Visiting Lecturer at Harvard University, Graduate School of Design, Cambridge, Mass., U.S.A. (1988 and 1989); Professor for Cooperazione italiana at the Facutly of Architecture of the E. Mondlane University of Maputo, Mozambique (1996 and 1997) and Isaiah Berlin Visiting Scholar at Oxford University, UK (2007-2008).

He has carried out extensive research into the history of architecture and on the treatises of Renaissance architecture. Has published works on Leon Battista Alberti, Francesco di Giorgio, Cesare Cesariano, Baldassarre Peruzzi, Sebastiano Serlio, Giulio Romano, Antonio da Sangallo the younger and on military architecture of the XV and XVI Centuries. Has made numerous contributions to international conferences and has participated in the organisation of many exhibitions and conventions including: "Francesco di Giorgio architetto" (Siena, 1993); "Francesco di Giorgio alla corte di Federico da Montefeltro" (Urbino, 2001); and international conferences of the “Centro Leon Battista Alberti” (Mantova, 1998-2001); as president of the national committee and of the scientific board at the "Centro Leon Battista Alberti” of Mantova, conventions and exhibitions dedicated to Leon Battista Alberti (2002-2008) together with numerous Italian and foreign cultural institutes.

Since 1995 he has been an academic at San Luca and since 2003 a member of the scientific council of the Centro Internazionale di Studi di Architettura "Andrea Palladio" in Vicenza.