Mathias Klotz Germain is a Chilean architect, born in Viña del Mar on 13 April 1965.[1] Studied at the Faculty of Architecture of the Pontifical Catholic University of Chile, where he graduated in 1991. Winner of the Borromini Prize of Architecture in 2001[2] for under-40 architects.

Klotz together with Alejandro Aravena are among the most renowned Chilean architects of the early 21st century. His work, elegant and rooted in the Modernist tradition, has put him on the international spotlight. He is the Dean of the Faculty of Architecture of the Diego Portales University in Santiago, Chile.

His work, which has been published in international architectural magazines, includes:

Casa Klotz, Tongoy, Chile. 1993.

Casa Reutter, Cachagua, Chile. 1999.

Colegio Altamira, Santiago, Chile. 2000.

Casa Ponce, Buenos Aires, Argentina. 2001–03.

2015 1° lugar. Viaducto Acceso Sur y Muelle Prat, Valparaiso, Chile

2011 Holcim Award Biblioteca Central UDP

Modular Building Instuitute (restorant Rucaray)

2010 Green Good Design, Biblioteca Central UDP

Green Good Design, Edificio Panamericanos Guadalaja

Green Good Design, Casa La Roca

2002 Tercer Lugar Bienal Miami, Casa Reutter

2001 Primer Lugar Premio Borromini, sección Arquitectos menores de 40 años, Roma

2002 Segundo Lugar Bienal Miami, Colegio Altamira

2000 Segundo Lugar Premio Procobre, Casa Reutter

Primer Lugar XII Bienal de Arquitectura, Santiago, Chile, con Colegio Altamira

Primer Lugar XII Bienal de Arquitectura, Santiago, Chile, con Casa Reutter (vivienda)

Finalista Premio Mies van der Rohe, Casa Reutter

1998 Finalista Premio Mies van der Rohe, Casa Müller

1995 Premio al mejor Arquitecto menor de 40 años, Colegio de Arquitectos de Chile

1o lugar X Bienal de Arquitectura (Santiago, Chile)