He was also chairman of a number of supervisory boards of the following companies: PAK, IDEA TFI, National Depository for Securities SA, Polish Power Exchange SA, BondSpot SA, Exchange Centre SA, WSE InfoEngine SA, National Board for Research and Development, “Poland Now” Foundation.
De asemenea, a fost președinte al multor consilii de supraveghere la următoarele companii: PAK, IDEA TFI, Depozitarul Național din Polonia, Bursa Poloneză de Energie, BondSpot SA, Exchange Center SA, WSE InfoEngine SA, National Board for Research and Development, Fundația “Poland Now”.