Marcin Grzegorz Siemko

age 50

Currently 3 roles in 3 KRS entities. In the KRS since 2019.

Roles

EntityRole
AMS S.A.
  • Management Board Member
since Nov 28, 2019
  • Management Board Member
since Apr 11, 2024
Synergic sp. z o.o.
  • Management Board Member – Finance Director
since Oct 30, 2025

Connections graph

Change history

EventDetails
Appointed

Management Board Member – Finance Director

Synergic sp. z o.o.
Role changed

Attorney-in-fact (joint) → Management Board Member

AMS S.A.
Appointed

Management Board Member

Appointed

Attorney-in-fact (joint)

AMS S.A.

Business scale

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

Risk signals

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

Connected people

Person