Oliwier spent several years working as a business consultant at different advisory firms, including 4 years at MDDP Business Consulting, and nearly 3 years working for Clairfield International Poland entity, Central Europe Trust. Previously, he worked at PricewaterhouseCoopers (PwC) and in independent corporate finance and consulting companies Saski Partners and Apax Consulting Group.
Oliwier is a graduate of the University of A. Mickiewicz in Poznań in the field of legal and economic international relations, University of Economics in Poznań and the Institute of Management (IGR-IAE) in Rennes, France.