Arthur is a partner at Interlegal law firm, supporting member at LMAA, IBA , The Nautical Institute of the United Kingdom, EMLO, SCMA, Member of the Nautical Institute of Ukraine. Chairman of the Maritime and Transport Law Committee of the Ukrainian Bar Association in Odessa Region
Mykola is a partner at Interlegal law firm, member of The Nautical Institute of Ukraine, Ukrainian Bar Association in Odesa Region, supporting member at London Maritime Arbitrators Association (LMAA). From 2016 Mykola is Ukrainian Maritime Arbitration Commission recommended arbitrator.