Mr. Krzysztof Ościłowicz is a graduate of University of Warsaw in International Relations and SGH Warsaw School of Economics in Finance and Banking. He also obtained ACCA (the Association of Chartered Certified Accountants) and CFA (the Chartered Financial Analyst) charters.

He started his career at PKN ORLEN in 2005 as financial controller, specializing in management reporting, value based management and introduction of IT tools in the financial area. He later was part of the team preparing the 2007-2013 Strategy, coordinating the process together with financial mid-term planning preparation. In 2009–2011, he worked with Unipetrol Group (gas & oil) in the Czech Republic as Controlling Director with a responsibility for preparation and supervision of the restructuring program and coordination of annual and mid-term financial planning. In 2012–2018, he worked as manager in the Investment Department of PKN Orlen, where he was responsible for implementing operational standards for investment project management, including investment procedures and new IT tools. In 2017-2018, he was also executive directly supervising investment project portfolio at Orlen Group. He implemented key energy and petrochemical projects, and managed investment contracts.

Before joining Selena FM S.A., he worked as Interim Finance Manager with Profim (Flokk Group), supporting the management board in the planning process, analysis of profitability of business segments, and statutory and management reporting.

He has been working with Selena FM S.A. since 2019 as Group Controlling Director and since April 2021 as acting Chief Financial Officer. He provided business support through the implementation of Business Intelligence tools, supporting and supervising business projects and championing process improvements in Selena Group.

On 20 September 2022, by a resolution of the Supervisory Board of Selena FM S.A., he was appointed to the Management Board of the company as the Member of the Management Board for Finance as of 1 October 2022.