- Simone Racca
- Emanuela Radici (Assistant Professor (rtdb), Università degli Studi dell'Aquila)
- Vicentiu Radulescu (AGH University of Krakow)
- Bogdan Raita (SNS Pisa)
- Tapio Rajala (Associate Professor, University of Jyväskylä)
- Martin Rakovsky (PhD Student, Université Paris-Saclay)
- Stefano Ramagnano (Master's Degree Student in Applied Mathemathics, Università La Sapienza)
- Mythily Ramaswamy
- Franco Rampazzo
- Nimit Rana (PhD Student)
- Jesse Ratzkin (Dozent, Universität Würzburg)
- Dario Reggiani (Post Doc., University of Münster)
- Philipp Reiter
- Federico Renzi (Phd student, Scuola Normale Superiore di Pisa)
- Reinaldo Resende (Postdoc, Carnegie Mellon University)
- Elena Resmerita
- Samuele Riccò (PhD Student, TU Wien)
- Marc Oliver Rieger (Post Doc., ETH Zurich, Switzerland)
- Lorenz Riess (PhD student, University of Vienna)
- Chiara Rigoni (Post Doc., University of Vienna)
- Michele Rimoldi (Associate Professor, Dipartimento di Scienze Matematiche, Politecnico di Torino)
- Matteo Rinaldi (PhD Student, Carnegie Mellon University)
- Filip Rindler (Full Professor, University of Warwick)
- Rodolfo Rios-Zertuche
- Filippo Riva (Post Doc., Bocconi University, Department of Decision Sciences)
- Luca Rizzi (Associate Professor, SISSA)
- Elisabetta Rocca (Associate Professor, University of Pavia)
- Matthias Röger (Full Professor, Technische Universität Dortmund)
- Marina Romanelli (Ph.D. Student, SISSA Trieste)
- Mario Romeo (Ph.D. Student, SNS Pisa)
- Marco Romito (Assistant Professor, Dip. Mat. Univ. Pisa)
- Matthew Romney (Postdoc, University of Jyväskylä)
- Alberto Roncoroni (Assistant Professor, Politecnico di Milano)
- Luca Rondi (Università degli Studi di Pavia)
- Xavier Ros-Oton (Full Professor, ICREA and Universitat de Barcelona)
- Frank Rösler (Research Associate, Cardiff University)
- Riccarda Rossi (Associate Professor, DIMI - Universita' di Brescia)
- Tommaso Rossi (Post Doc.)
- Gianni Royer Carfagni (Full Professor, Università di Parma)
- Angkana Rueland (Max Planck Research Group Leader, MPI MIS)
- Matthias Ruf (researcher, University of Augsburg)
- Berardo Ruffini (Associate Professor, Università di Bologna)
- Michele Ruggeri (University of Strathclyde)
- Angkana Ruland