Administration:
Assistant Director Filipova, Ilza Phone: 02 8720018, 0876 454325/ Fax: 02 8720022/ Email: ibir@abv.bg/ifilipova@ibir.bas.bg
Human Recourses Vasileva, Milena Phone: 02 8722164/ Email: hr-ibir@abv.bg/mvasileva@ibir.bas.bg
Administrative specialist Kodjamanova, Elena Phone: 02 8722164/ Email: ekodjamanova@ibir.bas.bg/office@ibir.bas.bg
Finance:
Chief Accountant Stoykova, Rayna Phone: 02 8720046/ Email: schetovodstvo-ibir@abv.bg/accounting@ibir.
Senior Accountant Tzenkova, Atanaska Phone: 02 8720026/ Email: schetovodstvo-ibir@abv.bg/accounting@ibir.
Accountant Dimitrova, Mariana Phone: 02 8720026/ Email: schetovodstvo-ibir@abv.bg/accounting@ibir.
Finance Controller Nikolova, Rositza Phone: 02 8720026/ Email: schetovodstvo-ibir@abv.bg/accounting@ibir.