Guillaume Sempe

Fondateur chez Once Dating AG

Technology Services

Relations actives

Nom	Sexe	Age	Sociétés liées	Collaboration
Jean René Alexandre Meyer	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	10 ans
Leo Grünstein	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	10 ans
Guilhem Duché	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	10 ans
Romain Lavault	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	-
Christian Peter Dietsche	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	-
David Alain Ringrave	M	-	Once Dating AG Once Dating AG Internet Software/ServicesTechnology Services Once Dating AG engages in the design, development, support, and marketing of an online dating platform and application. It offers a slow dating application, where users receive recommendations from a professional matchmaker. The company was founded by Jean Meyer, Leo Gruenstein, Guillaume Sempé, and Guilhem Duché on December 15, 2014 and is headquartered in Churerstrasse, Switzerland.	-