Youri Messen-Jaschin () is an artist of Latvian origin, born in Arosa, Switzerland, in 1941. He often combines oils and gouaches. His favourite colors are: strong reds, yellows, greens, and blue. He also works in body painting, exhibiting his works in nightclubs.
He created three stamps in optical art for Swiss Post, in 2010.,
Books – Magazines
- 1987 to 1992 Who's and Who international art
- 1981 Institut Suisse pour l'étude de l'art, Dictionnaire des artistes suisses contemporains (Swiss institute for the study of art, Dictionary of the contemporary Swiss artists)
- 1970–1980, 1980–1990, 1990–2000 Editor Huber Frauenfeld-Stuttgart/Switzerland/Germany
- 1999 Dictionnaire biographique de l'art Suisse, Répertoire des artistes suisses/ Institut suisse pour l'étude de l'art Zurich & Lausanne (Biographical dictionary of Swiss art, Repertory of the Swiss artists/Swiss Institute for the study of art Zurich & Lausanne) Editor Neue Zürcher Zeitung/Zurich/Switzerland
- 1990–2008 QUID Editor Robert Laffont Paris/France
- 2008 Visarte Vaud – 152 creative personalities | Editor League of visual artists and architects Lausanne Switzerland.