Julien Roche served as Director of the libraries of the University of Lille – Sciences and Technologies from 2005 to 2018, where he led a strategic project for the university: the creation of the LILLIAD Innovation Learning Center, to support the innovation process of the university, including a new building opened in September 2016.

Following a merger of Lille’s three universities he became, in March 2018, director of libraries at the newly enlarged University of Lille.

From 2010 to 2016, Julien served on LIBER’s Executive Board. He was also Chair of the LIBER Steering Committee on Reshaping the Research Library and led the Leadership Working Group, which is responsible for two leadership programs: the Emerging Leaders programme (part of the LIBER brand since 2011) and the LIBER Journées programme, launched in 2015. In July 2018, he was elected as LIBER Vice-President. In July 2022, he was approved as LIBER President.