| Chao Deng | Xuzhou Normal University | 12/07/12 – 03/01/14 |
| Chia-Yu Hsieh | National Taiwan University | 08/01/13 – 07/31/14 |
| Fariba Bahrami | University of Tabriz | 08/31/13 – 08/31/14 |
| Taichia Lin | National Taiwan Univ | Jun 20 – Jul 19, 2015 |
| Tzyy-Leng Horng | Feng Chia Univ, Taiwan | Jun 20 – Jul 20, 2015 |
| Wenrui Hao | Iowa State | Jun 24 – Jun 27, 2015 |
| Petr Plechac | Univ of Delaware | Jul 7 – Jul 10, 2015 |
| Yvonne Ou | Univ of Delaware | Jul 7 – Jul 11, 2015 |
| Yuan-Nan Young | NJIT | Jul 7 – Jul 9, 2015 |
| Bob Eisenberg | Rush Univ | Jul 15 – Jul 17, 2015 |
| Eric Luijten | Northwestern Univ | Aug 24 – Aug 26, 2015 |
| Hajime Koba | Waseda Univ | Sep 14 – Sep 25, 2015 |
| Mathias Schaffner | Univ of Wuerzburg | Sep 21 – Sep 26, 2015 |
| Feng Jin | Univ of Kansas | Sep 27 – Sep 30, 2015 |
| Qiuju Xu | Xiamen Univ, China | Sep 29, 2015 – Oct 3, 2016 |
| Zhiliang Xu | Univ of Notre Dame | Oct 18 – Oct 20, 2015 |
| Shixin Xu | Univ of Notre Dame | Oct 18 – Oct 21, 2015 |
| Alexander Peyser | Forschungszentrum Jülich GmbH, Germany | Oct 21 – Oct 24, 2015 |
| Guang Lin | Purdue | Oct 25 – Oct 27, 2015 |
| Xiaofeng Yang | Univ of South Carolina | Oct 29 – Nov 1, 2015 |
| Xiang Xu | Old Dominion Univ | Apr 21 – Apr 24, 2016 |
| Johannes Forster | Univ of Wurzburg | Mar 12 – Mar 19, 2016 |
| Zhangli Peng | Univ of Notre Dame | May 1 – May 3, 2016 |
| Halim Kusumaatmaja | Durham Univ | May 11 – May 14, 2016 |
| Huanfei Ma | Soochow Univ, China | Jul 11 – Jul 12, 2016 |
| Hao Wu | Fudan Univ, China | Jul 15 – Sep 9, 2016 |
| Steven Wise | Univ of Tennessee in Knoxville | Jul 21 – Jul 27, 2016 |
| Tao Huang | UYU, Shanghai | Jul 23 – Jul 28, 2016 |
| Rolf Ryham | Fordham Univ | Aug 9 – Aug 11, 2016 |
| Anja Schlomerkemper | Univ of Wurzburg | Aug 28 – Sep 3, 2016 |
| Carlos Garcia-Cervera | Univ of California | Aug 28 – Sep 3, 2016 |
| Luca Di Persio | U. of Verona, Italy | Aug.14 – Aug. 24, 2016 |
| Marco Mazzola | CNRS – Univ. Pierre et Marie Curie, Paris | Oct. 26 – Nov. 16, 2016 |
| Franco Rampazzo | U. of Padova, Italy | April 15 – May 27, 2017 |
| Rinaldo Colombo | U. of Brescia, Italy | May 7 – May 20, 2017 |
| Graziano Guerra | U. of Milano – Bicocca | May 7 – May 20, 2017 |
| Elsa Marchini | U. of Milano Politecnico | Nov.5 – Nov.20, 2021 |
| Giuseppe Coclite | U. of Bari, Italy | March 28 – April 9, 2022 |
| Rinaldo Colombo, | U. of Brescia, Italy | July 25 – Aug.5, 2022. |
| Fabio Ancona | U. of Padova, Italy | Aug.3 – Aug.11, 2022 |
| Khai T. Nguyen | North Carolina State U., Raleigh | Aug.3 – Aug.11, 2022 |