Supervisory Board

Chairperson of the Supervisory Board (Independent member)

Ms Olga Grygier-Siddons graduated from the University of Manchester, Computer Science and Accounting. She is also Fellow Chartered Accountant, Institute of Chartered Accountants of England and Wales.

After having graduated in Great Britain, she pursued her professional career in the advisory sector. In 1991, she joined PwC in the Corporate Finance area. In 1998, she was promoted to the position of Partner and was responsible for the delivery of diverse projects for the public and private sectors around the world. In 2004, she decided to relocate to Poland and in 2014, she assumed the position of Managing Partner for Central and Eastern Europe at PwC. For 15 years she was responsible for business development and overseeing projects in 29 countries, in a company with 12,000 employees. She became the first female member of the PwC Strategy Council which comprises 20 top leaders of the PwC Network.

She retired from PwC in 2019 and currently serves as a strategic advisor and Mentor.

Moreover, until today she performs among other the following functions: Member of the Supervisory Board of Zabka Group founder and CEO of the Experiential Learning Hub - Villa Poranek.

Since 24 March 2021 Member of the Supervisory Board of Bank Millennium S.A. and since 27 March 2025 Chairperson of the Supervisory Board.

Member of the Bank’s Supervisory Board meets the requirements set out in Article 22aa of the Banking Act.