Dennis is Professor of Education at the University of Derby. He is the founder and director of the campaign group Academics For Academic Freedom (AFAF).

The author of many books, his controversial and bestselling book (co-authored with Kathryn Ecclestone) The Dangerous Rise of Therapeutic Education was re-issued in 2019 in the Routledge Education Classic Editions series with a new introduction. It is now available as one of the first audio books to be launched by the publisher.

His latest book, The Death of Academic Freedom? Free speech and censorship on campus, will be published by Routledge in 2020. For more information visit his personal website

His Twitter name is @ProfDHayes.