Person profile
Average tenure per company
Active board load
Profile type
Companies wound up
Age
Founded companies
Position vs peers
Among 75 people (Rzeszów, 65-74)
Registry signals
Current and historical roles.
Companies total
1
1 active
Roles total
1
1 active
Years active
6 months
First activity
February 27, 2026
Founded the company · Medcare
Latest activity
February 27, 2026
Founded the company · Medcare
Selected highlights - full list on the Companies tab.
Jan Ryszard Mackiewicz is listed in the Polish National Court Register (KRS) as Supervisory Body Member at Medcare S.A. 1 role across 1 entity are on record. Time served on company bodies: 6 months.
Jan Ryszard Mackiewicz currently holds roles at: Medcare S.A. The full list, with appointment and termination dates, is on the Companies tab.
The current role is Supervisory Body Member at Medcare S.A., taken directly from the KRS register.
Most recent registry entries - full timeline on the History tab.
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4 people named Jan Ryszard Mackiewicz appear in the Polish KRS register. These are separate individuals — tell them apart by city, current roles and linked companies.
The first entry for this person dates from February 27, 2026 — 6 months ago.
4 people named Jan Ryszard Mackiewicz appear in the KRS register. Each has a separate profile — they are different individuals who happen to share a name.
Data from the Polish Central Register of Beneficial Owners (CRBR).
Companies and people connected to Jan Ryszard Mackiewicz - click any node to open its profile.
Total: 1 · Active: 1