Joseph Halevi Horowitz Weiler OMRI (born 2 September 1951) is an American academic, currently serving as European Union Jean Monnet Chair at New York University School of Law and Senior Fellow of the Minda de Gunzburg Center for European Studies, Harvard.

[4] He coined the term "Christophobia" in his book A Christian Europe: An Exploratory Essay:[5] It is a Europe that, while celebrating the noble heritage of Enlightenment humanism, also abandons its Christophobia and neither fears nor is embarrassed by the recognition that Christianity is one of the central elements in the evolution of its unique civilization.

It is, finally, a Europe that, in public discourse about its own past and future, recovers all the riches that can come from confronting one of its two principal intellectual and spiritual traditions.The term was then popularized by George Weigel's The Cube and the Cathedral.

ICTY and ICTR Precedents (Martinus Nijhoff, 2006) that appeared on the Global Law Books website[7] which Weiler edits.

[8][9] The Dean of the Investigating Judges of Paris accepted Calvo-Goller's complaint and the District Attorney decided to bring suit against Weiler.

The Paris Tribunal also declared that the words used by Weigend did not constitute libel and were within the limits of free critical book review speech.

In June 2010 Weiler intervened pro bono on behalf of eight governments before the Grand Chamber of the European Court of Human Rights in the case Lautsi v. Italy.