Office member SIA
Two sisters,
Two architects,
Two countries,
Two generations,
Two visions.
We are two sister architects, united by a shared vision and complementary paths. Together, we develop projects through an approach that is committed to sustainability, interdisciplinary collaboration, and a deep sensitivity to context.
In search of the soul of each place, we pay close attention to the environment and its dialogue with the landscape. This mindset also shapes our way of approaching the renovation or transformation of existing buildings — with care, creativity, and a sustainable perspective.
MARIELA SIEGRIST
Architecte REG A / SIA
2023 SIEGRIST ARCHITECTES Gmbh – Biel/Bienne
2023 Member of the jury for open architectural competition
2022 Member of the network Femme et SIA
2017 Siegrist Theubet Architectes – Biel/Bienne
2010 Bauzeit Architectes – Biel/Bienne
2005 United Nations Development Programme – UNDP – Geneva
2001 Master’s degree in Architecture and Urban planning FAUD-UNC, Córdoba – Argentine.
LUZ MARIA SIEGRIST
Architecte UNC / SIA
2023 SIEGRIST ARCHITECTES Gmbh – Bienne
2023 Master’s degree in Architecture and Urban planning FAUD-UNC, Córdoba – Arg
2020 Project manager BIM Specialist – ENG Works – Californie – USA
2017 Project manager BIM Modeling – AEC Resource – New York – USA
2015 Diplom in graphic design programation – Dynamo/BIM.
AWARD-WINNING COMPETITIONS
3th prize – Extension School Perraires – Collombey-Muraz, Valais – 2025
4th prize – Sport hall double polyvalente – Bois-d’Amont, Fribourg – 2024
3th prize – Site scolaire de Noutes – Crissier, Vaud – 2023
1st prize – Centre Scolaire HARD – Langenthal, Berne – 2022
5th prize – Extension Collège Principal de Pully – Vaud – 2021
2nd prize – EMS Résidence Grande Fontaine – BEX Vaud – 2020
2nd prize – Agrandissement du Foyer médical – Ardon, Valais – 2019
6th prize – Salle de Gymnastique – Sainte-Croix, Vaud – 2018
2nd prize – École primaire et salle de sport – Courtetelle, Jura -2018
1st prize – EPSM Le Rond-Point – Château-d’Oex, Vaud – 2017
CONSTRUCTIONS
Renovation of the water treatment plant – Villeret, Bern – 2024/2025
Transformation Attic – Biel/Bienne, Bern – 2024/2025
Renovation of the water treatment plant – Loveresse, BE – 2024/2025
EPSM Le Rond-Point – Château-d’Oex, Vaud – 2017/2024
Transformation Haus Les Rouges – Plagne, Bern -2019/2020
JURY MEMBER – ARCHITECTURE COMPETITION
EPSM Les Myosotis in Montherod, Vaud
Road Maintenance Centre in Boudry, Neuchâtel
LANGUAGES
French, German, English, Spanish and Italian.
Office member SIA
Two sisters,
Two architects,
Two countries,
Two generations,
Two visions.
We are two sister architects, united by a shared vision and complementary paths. Together, we develop projects through an approach that is committed to sustainability, interdisciplinary collaboration, and a deep sensitivity to context.
In search of the soul of each place, we pay close attention to the environment and its dialogue with the landscape. This mindset also shapes our way of approaching the renovation or transformation of existing buildings — with care, creativity, and a sustainable perspective.
MARIELA SIEGRIST
Architecte REG A / SIA
2023 SIEGRIST ARCHITECTES Gmbh – Biel/Bienne
2023 Member of the jury for open architectural competition
2022 Member of the network Femme et SIA
2017 Siegrist Theubet Architectes – Biel/Bienne
2010 Bauzeit Architectes – Biel/Bienne
2005 United Nations Development Programme – UNDP – Geneva
2001 Master’s degree in Architecture and Urban planning FAUD-UNC, Córdoba – Arg
LUZ MARIA SIEGRIST
Architecte UNC / SIA
2023 SIEGRIST ARCHITECTES Gmbh – Bienne
2023 Master’s degree in Architecture and Urban planning FAUD-UNC, Córdoba – Arg
2020 Project manager BIM Specialist – ENG Works – Californie – USA
2017 Project manager BIM Modeling – AEC Resource – New York – USA
2015 Diplom in graphic design programation – Dynamo/BIM
AWARD-WINNING COMPETITIONS
4th prize – Sport hall double polyvalente – Bois-d’Amont, Fribourg – 2024
3th prize – Site scolaire de Noutes – Crissier, Vaud – 2023
1st prize – Centre Scolaire HARD – Langenthal, Berne – 2022
5th prize – Extension Collège Principal de Pully – Vaud – 2021
2nd prize – EMS Résidence Grande Fontaine – BEX Vaud – 2020
2nd prize – Agrandissement du Foyer médical – Ardon, Valais – 2019
6th prize – Salle de Gymnastique – Sainte-Croix, Vaud – 2018
2nd prize – École primaire et salle de sport – Courtetelle, Jura -2018
1st prize – EPSM Le Rond-Point – Château-d’Oex, Vaud – 2017
CONSTRUCTIONS
Renovation of the water treatment plant – Villeret, Bern – 2024/2025
Transformation Attic – Biel/Bienne, Bern – 2024/2025
Renovation of the water treatment plant – Loveresse, BE – 2024/2025
EPSM Le Rond-Point – Château-d’Oex, Vaud – 2017/2024
Transformation Haus Les Rouges – Plagne, Bern -2019/2020
JURY MEMBER – ARCHITECTURE COMPETITION
EPSM Les Myosotis in Montherod, Vaud
Road Maintenance Centre in Boudry, Neuchâtel
LANGUAGES
French, German, English, Spanish and Italian.