| 2003 - 2004 | Computer simulation of ion implantation and ion-beam-induced defect formation in semiconducters - NATO Gesteforskerstipend | Andrej Kuznetsov |
| 2003 - 2004 | NATO Stipend Treindl Electrochemical studies of sulphur oxide reactions | Tor Hemmingsen |
| 2003 - 2004 | NATO Stipend Anca Miron Bioactive Compounds from Plants | Karl Egil Malterud |
| 2002 - 2003 | NATO stipend Avalanche Studies and model Validation in Europe | Karstein Lied |
| 2002 - 2004 | The Norwegian and Greenland Seas in the XX century - NATO stipend | Ola M. Johannessen |
| 2002 - 2002 | NATO Science Fellowship | Gudmund Høst |
| 2002 - 2002 | NATO Stipend | Magne Guttormsen |
| 2001 - 2002 | Research use of static probing and laboratory testing for identification of soil desigh parameters. Invitasjon av NATO gjestefor | Rolf Sandven |
| 2001 - 2002 | Implementation of the 3 dimensional coupled ecosystem Hybrid Coordinate Ocean Model for the White Sea | Ola M. Johannessen |
| 2001 - 2001 | NATO Senior stipend Computational complexity of combinatorial optimization problems, combinational algorithms, graph theory, app | Jan Arne Telle |
| 2001 - 2001 | NATO stipend | Åshild Fredriksen |
| 2001 - 2001 | NATO Senior Fellowship Professor Nikolai Morozov | Kristoffer Rypdal |
| 2001 - 2002 | Ore Geology, ore mineralogy, skarn deposits | Nigel John Cook |
| 2000 - 2001 | NATO stipend | Ursula Sonnewald |
| 2000 - 2000 | Investigation of turbulent structure of open and ice-covered flows in flumes, rivers and channels NATO gjest Elena N. Dolgopolov | Einar Tesaker |
| 2000 - 2000 | NATO gjest postdoc Alexei V. Kouraev | Ola M. Johannessen |
| 1999 - 2000 | NATO stipend Gjest Victor Vacikauskas, Litauen | Ola Hunderi |
| 1999 - 1999 | NATO Stipend 1 måned per person Professor A. Alhimenko til NTNU Professor Bratteland til St. Petersburg | Eivind Bratteland |
| 1999 - 2000 | NATO stipend Invitasjon av postdok. Eugenija Malinnikova 12 måneder | Kristian Seip |
| 1999 - 1999 | Kinetics and Mechanisms of Oscillatory and Excitable Chemical Systems. Gjesteforskerstip. til professor Ludovit Treindl. | Peter Ruoff |
| 1999 - 1999 | New Magneto-Optical Methods NATO-stipend Gjesteforsker El Il'yashenko, Russland | Tom Henning Johansen |
| 1999 - 1999 | Mesoscopic physics of low-dimensional devices of normal-conductor and superconductor electronics (gj.forsker Bobyl)) | Yuri Galperin |
| 1999 - 1999 | Kvantegravitasjon (gjesteforsker Sergei Odintsov) | Iver H. Brevik |
| 1999 - 1999 | New Magneto-Optical Methods NATO gjesteforskerstipend D. Shantsev, Russland | Tom Henning Johansen |
| 1999 - 2001 | Generalized statistics gjesteforsker Serguei Isakov | Jon Magne Leinaas |
| 1998 - 1999 | NATO Gjest Professor Timokha, Ukraina NTNU 1.9.98 - 31.1.99 | Odd Magnus Faltinsen |
| 1998 - 1998 | NATO Gjest Josef Novosad, Tsjekkia 01.06.98 - 15.08.98 | Steinar Husebye |
| 1998 - 1998 | NATO-stipend 1 måned for invitasjon av Mark N. Merzlyak, Russland | Kalbe Razi Naqvi |
| 1998 - 1999 | NATO stipend Utenlandsopphold for Sunniva Siem ved Agronne National Laboratory, USA | Sunniva Siem |
| 1998 - 1999 | NATO-stipend Prof. V. Marchenko, Ukraina Funksjonsteori, inverse problemer | Helge Holden |
