| Name | Institution | Dates at Fermilab | Office |
| Richard Hill | Univ. of Kentucky | 08/01/19-present | WH3W 367 |
| Pavel Nadolsky | Southern Methodist Univ. | 09/24/22-07/31/23 | WH3E 326 |
| Peter Vander Griend (Richard) | Univ. of Kentucky | 09/26/22- present | WH3E 325 |
| Gustavo Alves (Pedro) | Univ. of Sao Paulo | 01/15/23-01/14/24 | cubicle 342K |
| Peter Meinzinger (Stefan) | Durham Univ. (UK) | 01/24/23-05/29/23 | cubicle 335G |
| Antonio Ferreira (Pedro) | Univ. of Sao Paulo | 02/01/23-07/31/23 | cubicle 342J |
| Marco Vitti (Stephen) | Univ. of Padova | 03/01/23-03/31/23 | cubicle 342G |
| Elisa Balzani (Stephen) | Univ. of Padova | 03/01/23-03/31/23 | cubicle 342H |
| Joe Walker (Stefan) | Durham Univ. (UK) | 03/06/23-05/23/23 | cubicle 335H |
| Felix Yu | Univ. of Mainz | 03/09/23-07/03/23 | |
| Peter Reimitz (Pedro) | Univ. of Sao Paulo | 03/13/23-06/30/23 | |
| Susan Gardner | Univ. of Kentucky | 03/27/23-05/22/23 | |
| Lorin Armbruster (Felix) | Univ. of Mainz | 04/01/23-06/30/23 | |
| Prisco Lo Chiatto (Felix) | Univ. of Mainz | 04/01/23-06/30/23 | |
| Sebastian Schenk (Felix) | Univ. of Mainz | 04/16/23-06/30/23 | |
| Bhupal Dev | Washington Univ., St. Louis | 05/15/23-08/15/23 | |
| Daniele Massaro (Stephen) | Univ. of Bologna | 06/15/23-08/15/23 | |
| Federica Pompa (Stephen) | Univ. of Valencia | 06/15/23-08/15/23 | |
| Michele Lucente (Pedro) | Univ. of Bologna | Aug-1 yr. | |
| Jorge Terol Calvo (Dan) | Inst. de Astrofisica de Canarias | Aug-Oct |
Previous years
2015
2014