About us

Preserving memory. Educating generations. Yahad-In Unum's mission in action.

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Patrick Desbois, President & Founder of Yahad-In Unum

Father Patrick Desbois has devoted his life to researching the Holocaust, fighting antisemitism, and furthering relations between Catholics and Jews. Father Desbois is a Catholic priest and President of Yahad – In Unum, a non-governmental organization dedicated to identifying the sites of Jewish and Roma people, killed by mass shootings in Eastern Europe during the Second World War.

In 2004 Father Patrick Desbois travelled to a small town of Rava Ruska in Ukraine, where his dedication into researching the story of the Jews in the Holocaust began.

His work with Yahad – In Unum has been recognized with numerous awards in France and worldwide. Father Desbois is also the author of “The Holocaust by Bullets: A Priest’s Journey to Uncover the Truth Behind the Murder of 1.5 Million Jews”, Winner of the National Jewish Book Award, “In Broad Daylight: The Secret Procedures behind the Holocaust by Bullets”, “The Terrorist Factory: ISIS, the Yazidi Genocide and Exporting Terror”, based on his investigation of the Yazidi genocide in Iraq.

Yahad - In Unum

Yahad - In Unum was founded in 2004. The name combines the Hebrew word – “Yahad”, meaning “together,” with the Latin phrase “In Unum”, meaning “in one”. The organization seeks to uncover the lesser-known chapter of history that has remained silent for far too long.

We seek out non-Jewish eyewitnesses to the shootings of Jews and Roma people in the former occupied territories of the Soviet Union by German units and their auxiliaries. Our mission is identifying each killing site and mass grave and record first-person accounts of the murder of Eastern European Jewry.

Finding and interviewing the last witnesses is a race against time.

For future generations, our collection of evidence will serve as an educational tool to fight against denialism and anti-Semitism.

By learning from the past and educating in the present we can have an impact on younger generation to make “never again” a reality.