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Sylwester Marek Walczak

age 32

Currently 4 roles in 3 KRS entities.

Roles

Entity	Role	Since	Address
Fundacja Onyx Research Institute	President of the Management Board since Apr 29, 2026	Apr 29, 2026	Aleje Jerozolimskie 109/70, 02-011 Warszawa
Swsoftware sp. z o.o.	President of the Management Board Partner (95% of shares worth PLN 4,750) since Aug 29, 2022	Aug 29, 2022	ul. Aleja Lotników Polskich 1, 21-040 Świdnik
Payloo sp. z o.o.	Partner	–	ul. Hoża 29, 00-521 Warszawa

Connections graph

Change history

Date	Event	Details	Entity
Apr 29, 2026	Apr 29, 2026 Foundation established	President of the Management Board Fundacja Onyx Research Institute	Fundacja Onyx Research Institute
Aug 29, 2022	Aug 29, 2022 Company founded	President of the Management Board, Partner (95% of shares worth PLN 4,750) Swsoftware sp. z o.o.	Swsoftware sp. z o.o.

Business scale

Total for the entities where the person sat on the management board or held shares, for the years in office.

Risk signals

Signal	Details
Politically exposed person (PEP)	None
Person on a sanctions list	None
Bankruptcy or restructuring	None
Liquidation	None
Sanctions list	None
Inactive entity	None

Connected people

Person	Shared entity	Period
Gabriela Maria Walczakage 31	Swsoftware sp. z o.o.	since Aug 29, 2022
Mateusz Mączkowskiage 29	Payloo sp. z o.o.	current (no date in KRS)