Centre interdisciplinaire sur les enjeux stratégiques (CIENS)

The Interdisciplinary Center for Strategic Studies (ICSS or CIENS in French) is a research and teaching platform dedicated to nuclear defense and strategic issues in the broadest sense, with an interdisciplinary approach and as part of a partnership between ENS, ANSSI (Agence nationale de sécurité des systèmes d’information), the French Ministry of Defense and CEA (Commissariat à l’énergie atomique et aux énergies alternatives).

Upcoming events

Thursday 20th March 2025

Careers Event : Strategic Issues

Location : Salon de la direction de l'ENS, 45 d'Ulm

Tuesday 8th April - 1.30 to 6pm

Seminar on Live Oak (Nuclear European Trajectories)

Location : ENS, 45 rue d'Ulm, Salle W

The CIENS teaching programme for the second semester: timetables and rooms

October 7, 2024

The CIENS offers seven courses in the second semester: two research seminars, two cyber courses (introductory and advanced), a course on space, another on strategy and a course on strategic...

September highlights at CIENS

August 27, 2024

CIENS is back in session. Don’t miss the presentation of its courses on 3, 6 and 11 September at the ENS. All the information here: On Tuesday 3 September in...

A CIENS expert analyses the offensive on Kursk for the media 20 Minutes

August 21, 2024

Guillaume Lasconjarias, associate expert at CIENS, was interviewed by journalist Mickaël Bosredon about the Ukrainian offensive in the Kursk region of Russia. He analyses the objectives of this assault, the...

Yannick Pincé, CIENS associate researcher, on Médiapart

June 28, 2024

In the event of cohabitation with the RN, who would have control of the French army? Yannick Pincé answers questions from Justine Brabant and Fabien Escalona on Médiapart....

Maïlys Mangin, post-doc at CIENS, interviewed on the ENS-PSL website

June 7, 2024

Maïlys Mangin, a doctorate in political science, joined as a post-doc researcher the Centre interdisciplinaire sur les enjeux stratégiques (CIENS) in November 2023....

Yannick Pincé publishes an article in The Conversation

June 7, 2024

Yannick Pincé, a research associate at CIENS, has published an article for the Conversation on the consequences of enshrining nuclear weapons in the French Constitution....

Contacts

Management: Frédéric Gloriant

Frederic.gloriant@ens.psl.eu

Project manager: Stephanie Braquehais

Stephanie.braquehais@ens.psl.eu

Write to us at ciens@ens.fr
Follow us on Twitter : @CIENS_ENS

@CIENS_ENS

CIENS
École Normale supérieure
45 rue d’Ulm
F-75230 Paris cedex 05