He is a member of the Liberty and Justice Committee of the [[Constitution Project], and a signatory to the "Beyond Guantanamo" petition.
Since 2006 he has been an Adjunct Professor at Washington College of Law. He has been a visiting lecturer at Harvard Law School and Yale Law School.
Fidell has been a critic of the George W. Bush Administration's policy on extrajudicial detention of terrorism suspects.  Commenting on District Court Justice Joyce Hens Green's analysis of the classified dossiers prepared for captive's Combatant Status Review TribunalsFidell said
It suggests the procedure is a sham, If a case like that can get through, what it means is that the merest scintilla of evidence against someone would carry the day for the government, even if there's a mountain of evidence on the other side.
Balancing conflict of interest
Clark Hoyt, of the New York Times described Fidell holding back in participating in preparing a brief submitted to the Supreme Court on behalf of National Institute of Military Justice and the Bar Association of the District of Columbia because of the concern it would be considered a conflict of interest, since his wife journalist Linda Greenhouse was covering the case.Slate magazine published an article written by Emily Bazelon and Dahlia Lithwick, criticizing the New York Times for failing to show more support for their employee.According to Bazelon and Lithwick the main critic of Greenhouse covering stories where her husband Fidell has a role is M. Edward Whelan III of the National Review.
Unable to point to any actual bias, Whelan resorts to the petulant claim that the effect of Fidell's involvement in the detainee cases "would be impossible to separate … from the broader political bias that pervades so much of Greenhouse's reporting.
- Queens College 1965
- Harvard Law School 1968
- Eugene R. Fidell. Feldesman Tucker Liefer Fidell llp. Retrieved on 2007-11-19.
- Eugene R. Fidell, Dwight H. Sullivan, Detlev F. Vagts. Military Commission Law, The Army Lawyer, December 2005. Retrieved on 2007-11-10.
- Carol D. Leonnig. Panel Ignored Evidence on Detainee, Washington Post, March 27 2005, pp. A01. Retrieved on 2008-01-20.
- Clark Hoyt. Public and Private Lives, Intersecting, New York Times, January 20, 2008. Retrieved on 2008-01-18.
- Emily Bazelon, Dahlia Lithwick. Lay Off Linda: Why doesn't the New York Times stand up for Linda Greenhouse?, Slate magazine, Tuesday, January 22, 2008. Retrieved on 2008-01-25.