Person profile
Marek Klein has been associated with Gc Instruments 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
Active business scale
Historical companies
Age
Founded companies
Position vs peers
Among 155 people (Pomorskie, 35-44)
Registry signals
Current and historical roles.
Companies total
3
3 active
Roles total
5
5 active
Years active
9 years and 7 months
First activity
September 28, 2016
Founded the company · GC Instruments Spółka z Ograniczoną Odpowiedzialnością
Latest activity
February 9, 2026
Founded the company · ONE Health Scientific Action Nauka w Działaniu
Selected highlights - full list on the Companies tab.
Most recent registry entries - full timeline on the History tab.
2026
9 lutego 2026
Founds the company and takes the role of Członek Organu Nadzoru
ONE Health Scientific Action Nauka w DziałaniuRate business credibility - Marek Tadeusz Klein.
No ratings
Data from the Polish Central Register of Beneficial Owners (CRBR).
Companies and people connected to Marek Tadeusz Klein - click any node to open its profile.
Total: 3 · Active: 3