Person profile
Wiktor Rostkowski is a shareholder and board member of Kwarcsystem Sp. z o.o. w upadłości for 10 years. Combining a management role with ownership means greater influence on company decisions than a board seat alone.
Management experience
Anchor company
Average tenure per company
Active board load
Profile type
Active business scale
Historical companies
Age
Position vs peers
Among 1049 people (Warszawa, 45-54)
Registry signals
Current and historical roles.
Companies total
13
7 active
Roles total
16
8 active
Years active
10 years and 1 month
First activity
March 14, 2016
Joined the company - Prezes zarządu · Kwarcsystem Spółka z Ograniczoną Odpowiedzialnością w Upadłości
Latest activity
December 10, 2025
Left the company - Wspólnik · Chester Spółka z Ograniczoną Odpowiedzialnością
Selected highlights - full list on the Companies tab.
Most recent registry entries - full timeline on the History tab.
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Data from the Polish Central Register of Beneficial Owners (CRBR).
Companies and people connected to Wiktor Michał Rostkowski - click any node to open its profile.
Total: 7 · Active: 7