for the workshop Logical Approaches to Barriers in Complexity II
| Name | Institution | visit dates | Con |
| Adams, R | University of London | 25 Mar - 31 Mar | Yes |
| Ahmad, S | Aligarh Muslim University | 25 Mar - 31 Mar | No |
| Alama, JA | Universidade Nova de Lisboa (UNL) | 26 Mar - 30 Mar | Yes |
| Ambos-Spies, K | Universität Heidelberg | 26 Mar - 30 Mar | Yes |
| Arslanov, M | Kazan State University | 26 Mar - 27 Mar | Yes |
| Atserias, AA | Universitat Politècnica de Catalunya | 25 Mar - 31 Mar | Yes |
| Beckmann, A | Swansea University | 26 Mar - 30 Mar | Yes |
| Beyersdorff, O | Università degli Studi di Roma La Sapienza | 25 Mar - 31 Mar | Yes |
| Buss, SR | University of California, San Diego | 26 Mar - 30 Mar | Yes |
| Cardelli, L | Microsoft Research | 26 Mar - 30 Mar | Yes |
| Carmosino, M | University of Massachusetts | 25 Mar - 2 Apr | Yes |
| Chen, Y | Shanghai Jiao Tong University | 25 Mar - 1 Apr | Yes |
| Chiodo, MC | University of Melbourne | 26 Mar - 30 Mar | Yes |
| Cooper, SB | University of Leeds | 26 Mar - 30 Mar | Yes |
| Cramer, M | Universität Bonn | 26 Mar - 30 Mar | Yes |
| Dantchev, S | Durham University | 26 Mar - 30 Mar | Yes |
| Dawar, A | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Dean, W | University of Warwick | 26 Mar - 30 Mar | Yes |
| Downey, RG | Victoria University of Wellington | 26 Mar - 30 Mar | Yes |
| Durand, A | Université Denis Diderot | 25 Mar - 30 Mar | Yes |
| Eguchi, N | Tohoku University | 25 Mar - 30 Mar | Yes |
| Fisseni, B | Universität Duisburg-Essen | 26 Mar - 30 Mar | Yes |
| Fournet, C | Microsoft Research | 26 Mar - 29 Mar | Yes |
| Galesi, N | Università degli Studi di Roma La Sapienza | 26 Mar - 30 Mar | Yes |
| Ganesh, V | Massachusetts Institute of Technology | 25 Mar - 31 Mar | Yes |
| Ghasemloo, K | University of Toronto | 25 Mar - 31 Mar | Yes |
| Gordon, AD | Microsoft Research | 26 Mar - 30 Mar | Yes |
| Groth, J | University College London | 26 Mar - 30 Mar | Yes |
| Hamkins, JD | City University of New York | 26 Mar - 30 Mar | Yes |
| Hodges, AP | University of Oxford | 27 Mar - 28 Mar | Yes |
| Hogarth, M | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Holm, B | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Hunter, P | University of Oxford | 25 Mar - 31 Mar | Yes |
| Hyland, JME | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Jerábek , E | Academy of Sciences of the Czech Republic | 26 Mar - 30 Mar | Yes |
| Johannsen, J | Ludwig-Maximilians-Universität München | 25 Mar - 31 Mar | Yes |
| Kalimullin, I | Kazan State University | 26 Mar - 27 Mar | Yes |
| Koepke, P | Universität Bonn | 26 Mar - 30 Mar | Yes |
| Kolodziejczyk, L | Uniwersytet Warszawski | 25 Mar - 1 Apr | Yes |
| Kontinen, J | University of Helsinki | 25 Mar - 29 Mar | Yes |
| Kopczynski, E | Uniwersytet Warszawski | 26 Mar - 30 Mar | Yes |
| Krajicek, J | Charles University, Prague | 26 Mar - 30 Mar | Yes |
| Kreutzer, S | Technische Universität Berlin | 24 Mar - 29 Mar | Yes |
| Kullmann, O | Swansea University | 25 Mar - 31 Mar | Yes |
| Lauria, M | Academy of Sciences of the Czech Republic | 25 Mar - 31 Mar | Yes |
| Lin, AW | University of Oxford | 29 Mar - 30 Mar | Yes |
| Lindell, S | Haverford College | 25 Mar - 31 Mar | Yes |
| Lowe, B | Universiteit van Amsterdam | 26 Mar - 30 Mar | Yes |
| Lutz, JH | Iowa State University | 26 Mar - 30 Mar | Yes |
| Martin, B | Durham University | 26 Mar - 30 Mar | Yes |
| McGrail, R | Bard College | 25 Mar - 31 Mar | Yes |
| Moody, JKM | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Nguyen, PT | Université de Montréal | 25 Mar - 31 Mar | Yes |
| Pakusa, W | RWTH Aachen University | 26 Mar - 30 Mar | Yes |
| Passmore, GO | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Pauly, AM | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Pich, J | Charles University, Prague | 26 Mar - 30 Mar | Yes |
| Pudlak, P | Academy of Sciences of the Czech Republic | 26 Mar - 30 Mar | Yes |
| Razafindrakoto, JJ | Swansea University | 25 Mar - 31 Mar | Yes |
| Richter, B | Universität Hamburg | 26 Mar - 30 Mar | Yes |
| Riis, S | Queen Mary, University of London | 26 Mar - 30 Mar | Yes |
| Rogaway, P | University of California, Davis | 26 Mar - 30 Mar | Yes |
| Santhanam, R | University of Edinburgh | 25 Mar - 31 Mar | Yes |
| Schröder, B | Universität Duisburg-Essen | 26 Mar - 29 Mar | Yes |
| Schweikardt, N | Goethe-Universität Frankfurt | 26 Mar - 30 Mar | Yes |
| Smart, N | University of Bristol | 26 Mar - 30 Mar | Yes |
| Soare, RI | University of Chicago | 26 Mar - 30 Mar | Yes |
| Swan, A | University of Leeds | 25 Mar - 31 Mar | Yes |
| Tarui, J | University of Electro-Communications | 26 Mar - 30 Mar | Yes |
| Thapen, N | Academy of Sciences of the Czech Republic | 26 Mar - 30 Mar | Yes |
| Vardi, MY | Rice University | 26 Mar - 30 Mar | Yes |
| Walsh, S | University of London | 26 Mar - 30 Mar | No |
| Wang, ZC | Charles University, Prague | 26 Mar - 30 Mar | Yes |
| Welch, PD | University of Bristol | 26 Mar - 30 Mar | Yes |
| Winskel, G | University of Cambridge | 26 Mar - 30 Mar | Yes |
| Yang, F | University of Helsinki | 25 Mar - 31 Mar | Yes |