I guess that would be these people: https://www.chathamhouse.org/2023/06/how-end-russias-war-ukraine/fallacy-6-russias-defeat-ukraine-will-lead-greater-instability https://www.chathamhouse.org/about-us/our-people/department/russia-and-eurasia-programme-122
Annette Bohr
Associate Fellow, Russia and Eurasia Programme
Kateryna Busol
Former Academy Associate, Russia and Eurasia Programme
Keir Giles
Senior Consulting Fellow, Russia and Eurasia Programme
John Lough
Associate Fellow, Russia and Eurasia Programme
Orysia Lutsevych
Deputy Director, Russia and Eurasia Programme; Head of the Ukraine Forum
James Nixey
Director, Russia and Eurasia Programme
James Sherr
Associate Fellow, Russia and Eurasia Programme
Simon Smith
Chairman, Steering Committee, Ukraine Forum, Russia and Eurasia Programme
Kataryna Wolczuk
Associate Fellow, Russia and Eurasia Programme