We have been particularly involved in scientific collaborations with the following researchers:
- Alfredo Goldman (IME USP)
- Sylvain Guiriec (George Washington University)
- Jack Hewitt (University of Northern Florida)
- Jimmy Irwin (University of Alabama)
- Francesco Massaro (Università di Torino)
- João Paulo Navarro (NVIDIA)
- Roderik Overzier (Observatório Nacional)
- Vasileios Paschalidis (University of Arizona)
- Rogemar Riffel (Universidade Federal de Santa Maria)
- Jaderson Schimoia (Universidade Federal de Santa Catarina)
- Thaisa Storchi-Bergmann (Universidade Federal do Rio Grande do Sul)
- Sasha Tchekhovskoy (Northwestern University)
- Francesco Tombesi (Universita di Roma Tor Vergata)
- Ka-Wah Wong (Minnesota State University)
- Qingwen Wu (Huazhong University of Science and Technology)
Our group is also a member of of three large collaborations: Fermi LAT Collaboration, Cherenkov Telescope Array (CTA) Consortium and S-PLUS Collaboration
We have also collaborated with the following researchers over the years:
- Arif Babul (Univ. of Victoria)
- Charles Bonatto (UFRGS)
- Richard Bower (Durham)
- Mike Brotherton (University of Wyoming)
- Mike Eracleous (Penn State)
- Markos Georganopoulos (University of Maryland Baltimore County)
- Neil Gehrels (NASA GSFC, RIP)
- Eileen Meyer (University of Maryland Baltimore County)
- Takashi Okamoto (Hokkaido University)
- Rita Sambruna (NASA)
- Yuichi Terashima (Ehime University)
- Feng Yuan (Shanghai Astronomical Observatory)
Black Hole Group 