your opposite number
US /jʊər ˈɑpəzɪt ˈnʌmbər/
UK /jʊər ˈɑpəzɪt ˈnʌmbər/

1.
omologo, corrispondente
a person who has the same position or does the same job as you but in a different department, organization, or country
:
•
I'll need to discuss this with my opposite number in the French office.
Dovrò discuterne con il mio omologo nell'ufficio francese.
•
The CEO met with his opposite number from the rival company.
Il CEO ha incontrato il suo omologo della compagnia rivale.