WP1: Ethics requirements
Coordinators: Simone Donati (INFN)
WP2: Gravitational waves physics
Coordinators: Ettore Majorana (INFN), Massimiliano Razzano (University of Pisa), Norma Robertson (California Institute of Technology)
WP3: Gravitational waves detectors
Coordinators: Enrico Calloni (University of Napoli), Helios Vocca (University of Perugia),
WP4: Fermi-LAT analysis
Coordinators: Sara Cutini (INFN), Seth Digel (Stanford University), Melissa Pesce-Rollins (INFN)
WP5: X-ray Polarimetry Explorers
Coordinators: Luca Baldini (University of Pisa), Luca Latronico (INFN), Brian Ramsey (NASA Marshall Space Center)
WP6: FNAL Muon Campus experiments
Coordinators: Valerio Giusti (University of Pisa), Gianantonio Pezzullo (INFN), Ivano Sarra (INFN)
WP7: Advanced superconducting technologies for particle accelerators
Coordinators: Emanuela Barzi (Fermi National Accelerator Laboratory), Stefania Farinon (INFN), Silvia Franz (Politecnico di Milano)
WP8: Advanced superconducting technologies for particle detectors
Coordinators: Emanuela Barzi (Fermi National Accelerator Laboratory), Matteo DeGerone (INFN), Flavio Gatti (University of Genova)
WP9: Dissemination and Outreach
Coordinators: Francesco Cottone (University of Perugia), Carmela Luongo (INFN), Chiara Oppedisano (INFN)
WP10: Transfer of Knowledge
Coordinators: Rosario De Rosa (University of Napoli), Elena Pedreschi (INFN), Radia Sia (Clever)
WP11: Management
Coordinators: Simone Donati (INFN), Simona Giovannella (INFN), Michele Punturo (INFN)