Katrin Sarieva was born in 1954 in Plovdiv. She graduated from "Lilyana Dimitrova" High School in Plovdiv, and after that graduated in History at Sofia University "Kliment Ohridski".
From 1980 to 1993 she is a lecturer in History at the Plovdiv University "Paisii Hilendarski". Her academic interests are related to the research of the social and demographic structure of Bulgarian towns in the 1990s. She has participated in scientific conferences, has publications in academic issues and periodicals on the topic and on events related to the history of Plovdiv.
In 2004 together with Vesselina Sarieva she founded Sariev Contemporary Gallery in Plovdiv. The purpose of the gallery is to develop and present contemporary Bulgarian art in Bulgaria and at the international art scene. The gallery is recognized as one of the most interesting and evolving ones from Eastern Europe. It has participated in a number of contemporary art fairs - Vienna, Istanbul, Rome, Shanghai, Brussels, Cologne, Turin.
In 2007, together with Vesselina Sarieva she founded Open Arts Foundation, whose reputation and recognition are related to "Night of the Museums and Galleries - Plovdiv", as well as the projects: Otets Paisiy St. Festival, "Alternative Map of Plovdiv", "Introduction to Contemporary Art", "Project 0", "FLUCA: Austrian Cultural Pavilion" and others.
Katrin Sarieva is author of the text of the foundation‘s publication „Otets Paisiy Street before and now”, 2010 and compiler and author of the text of "Alternative map of Plovdiv", 2013 and 2017.