Person profile
Bartosz Kellner has been associated with Proxima-petrol Sp. z o.o. since the company was founded and is among its founders. He has stayed on the board and has held a management role for 10 years. This continuity suggests strong trust from the current owners and tangible value he brings to the company.
Management experience
Anchor company
Average tenure per company
Active board load
Profile type
Historical companies
Age
Founded companies
Position vs peers
Among 715 people (Śląskie, 45-54)
Registry signals
Current and historical roles.
Companies total
3
2 active
Roles total
5
4 active
Years active
22 years and 7 months
First activity
October 17, 2003
Founded the company · Plant Spółka z Ograniczoną Odpowiedzialnością
Latest activity
March 11, 2026
Founded the company · Majcher TEAM Petrol Spółka z Ograniczoną Odpowiedzialnością
Selected highlights - full list on the Companies tab.
Most recent registry entries - full timeline on the History tab.
2026
11 marca 2026
Founds the company as a co-owner and takes the role of Prezes Zarządu
Majcher TEAM PetrolRate business credibility - Bartosz Jan Kellner.
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