| Name | Institution | Dates at Fermilab | Office |
| Richard Hill | University of Kentucky | 08/01/17- 07/31/19 | 367 |
| Davi Bastos Costa (Gustavo Burdman’s student) | University of Sao Paulo | 02/23/19-08/16/19 | cubicle 342M |
| Daniel Reichelt (Stefan Hoeche’s student) | Universitat Goettingen | 03/28/19-09/30/19 | cubicle 342E |
| Peter Denton (NPC) | BNL | 06/06/19-09/06/19 | cubicle 342K |
| Jeffrey Berryman | Virginia Tech | mid-Jun-mid-Aug | cubicle on 3SW |
| Edgar Perez Sanchez (Ruth’s student) | North Central College | 06/17/19-08/02/19 | |
| Murphy Clancy (Ruth’s student) | North Central College | 06/18/19-08/09/19 | |
| Juan Herrero Garcia (Invisibles) | SISSA, Italy | 07/01/19-08/14/19 | cubicle 342H |
| Sam Witte (Invisibles) | University of Valencia | 07/01/19-08/31/19 | cubicle 342G |
| Gabriela Barenboim (ICRADA) | University of Valencia | 07/17/19-08/21/19 | 371 |
| Qing Chen (Richard Hill’s student) | University of Kentucky | 07/22/19-08/14/19 | cubicle 335H |
| Kimmy Cushman (George Fleming’s student) | Yale | 07/18/19-08/25/19 | cubicle 377 on 3W |
| Greg Mahlon | Penn State Mont Alto | 07/22/19-08/09/19 | 376 |
| Sven Baumholzer (ICRADA) | Johannes Gutenberg-Univ. Main | 07/26/19-08/31/19 | cubicle 335E |
| Hiroshi Nunokawa | PUC, Rio de Janeiro | 07/27/19-08/17/19 | 326 |
| Helen Brooks (Peter Skands’ post-doc) | Monash University | 07/29/19-08/09/19 | cubicle 342B |
| Soumita Pramanick (NPC) | Harish Chandra Research Institute | 07/29/19-09/12/19 | cubicle 342D |
| Ulrich Nierste | Karlsruhe Inst. of Technology | 07/31/19-08/11/19 | 321 |
| Salvador Rosauro (Invisibles) | Universidad Autonoma de Madrid | 08/01/19-10/17/19 | cubicle 335C |
| Olga Mena (Invisibles) | University of Valencia | 08/02/19-10/01/19 | 320 |
| Tom Blum (Distinguished Scholar Prog.) | University of Connecticut | 08/05/19-08/09/19 | 318 |
| Shirley Li | SLAC | 08/05/19-08/30/19 | cubicle 335B |
| Daniel de Florian | Univ. Nacional de San Martin | 08/10/19-08/21/19 | |
| Julia Gehrlein | UAM-CSIC | 08/12/19-08/30/19 | |
| Moshe Moshe | Technion | 08/16/19-08/31/19 | |
| Dibyashree Sengupta | University of Oklahoma | 08/19/19-08/30/19 | |
| Henry (Hank) Lamm | University of Maryland | 08/21/19-08/24/19 | |
| Oleksandr Tomalak (Richard Hill’s post-doc) | University of Kentucky | 09/16/19-12/25/19 | 372 |
Previous years
2015
2014