Readers who want to engage with the mathematical sciences community may find the following resources useful. The landscape is somewhat complicated, so here are some resources.
Isaac Newton Institute, Cambridge
International Centre for Mathematical Sciences, Edinburgh
Heilbronn Institute, Bristol
KE Hub, Bristol
Institute for Mathematical Innovation, Bath
Smith Institute, Oxford
Newton Gateway, Cambridge
Academy for the Mathematical Sciences
Alliance for Data Science Professionals
Committee of Heads of Departments of Mathematical Sciences
Institute of Mathematics and its Applications
Royal Statistical Society
Operational Research Society
London Mathematical Society
Edinburgh Mathematical Society