The Supervisory Board

John Ruane was appointed as the Chairman of the Supervisory Board in February 2020.

John Ruane has extensive and diverse experience in finance and accounting, real estate, private equity and investment banking. He commenced his professional career in 2000 as an investment banking analyst with Morgan Stanley, where he worked until 2002 in the M&A department. Between 2002 and 2013, he was a partner at AREA Property Partners. Since 2013, he was a Partner and Co-Head of European Real Estate Equity in Ares Management.

Additionally, John Ruane is a member of the Ares Real Estate Group's Global and Operating Investment Committees.

John Ruane holds a Bachelor of Commerce from the University College Dublin, where he studied from 1996 to 1999, and an M.Sc. from the London School of Economics in Finance and Accounting (1999–2000).

Maciej Dyjas was appointed as a Deputy Chairman of the Supervisory Board in February 2020.

Maciej Dyjas has diverse and extensive experience in real estate and the execution of strategic investment projects. He commenced his professional career in 1986 as a project manager with W&G/Hewlett Packard Systems, operating in the European Union and the United States of America. Subsequently, he was an RD director and a sales director and then vice president at W&G/Hewlett Packard Systems. In 1994, he assumed the position of IT and operations director at Eastbridge Group, a private investment firm, in Poland. Between 1994 and 1998 he worked as a general manager and subsequently as the president of the management board of EMPiK sp. z o.o. Between 1998 and 2004, he was the president of the management board of Domy Towarowe Centrum S.A. Simultaneously, between 1998 and 2010 he was a member of the management board and continued as a partner, and then the managing partner of Eastbridge N.V. Between 2003 and 2018, he served as the president of the management board and then a member of the supervisory board of Empik Media & Fashion S.A., a member of the Eastbridge Group. Since 2014, he has been a co-owner and Managing Partner of Griffin Real Estate sp. z o.o. (from 2022, Griffin Capital Partners sp. z o.o.), the largest private equity and asset management firm specialising in real estate in Central and Eastern Europe. Until 2022, he was also a member of the supervisory board of that company. He is also a shareholder and managing partner of Cornerstone Partners, a private investment firm operating in Central and Eastern Europe. Since 2004, he has been a member of the management board and the supervisory board of a number of companies.

In addition to professional activities, since 2016, Maciej Dyjas has been a member of the board of directors of the Jan Karski Educational Foundation.

Maciej Dyjas holds a degree in mathematics and computer engineering from the University of Warsaw. He continued his studies in business, managerial psychology and communication in Stuttgart and Frankfurt am Main (1982-1986).

Piotr Fijołek was appointed as the Deputy Chairman of the Supervisory Board in February 2020.

Piotr Fijołek has diverse and extensive experience in managing and executing potential-opportunity and value-added projects. Since the beginning of his professional career in 2007, he has been associated with Griffin Real Estate sp. z o.o., (from 2022, Griffin Capital Partners sp. z o.o.) first as an investment manager, continuing as an investment director, as vice president of the management board, as partner, as senior partner and co-managing partner. Between 2013 and 2017, Piotr Fijołek was the vice president of the management board of Griffin Advisors sp. z o.o. From 2018 and until 2022, he was a member of the supervisory board of Cornerstone Partners sp. z o.o. From 2020 to 30 September 2021, he was also a member of the supervisory board of Murapol Real Estate S.A.

Piotr Fijołek graduated with the title of engineer in Spatial Economy and Regional Planning from the Warsaw University of Life Sciences (2004-2008), and a Master’s degree in Management from the Warsaw School of Economics (2008-2013).

William Twemlow was appointed as the Deputy Chairman of the Supervisory Board in February 2020.

William Twemlow has diverse and extensive experience in finance, private equity funds and the real estate sector. He commenced his professional career in 2012 with JP Morgan as an investment banking analyst in the M&A department, where he focused on providing financial analysis and advice to a broad spectrum of clients. In 2014 he joined Ares Management as part of the European Real Estate Equity team and has held the title of Principal since 2020.

William Twemlow holds a Bachelor of Science degree in Economics from University College London (2009 - 2012) where he was awarded the AJ Cahill Prize for Economics in 2012.

Justyna Bauta-Szostak was appointed as an independent member of the Supervisory Board member in July 2021.

Justyna Bauta-Szostak has extensive and comprehensive experience in tax law (both Polish and international), specifically in the real estate segment. She commenced her business career in 1999 at law firms in Poznań. In 2002, Justyna Bauta-Szostak commenced her cooperation with Ernst&Young sp. z o.o. in Warsaw as a tax consultant (until 2004). Since 2004 Justyna Bauta-Szostak has been a legal advisor and tax advisor at MDDP Michalik Dłuska Dziedzic i Partnerzy Spółka Doradztwa Podatkowego Spółka Akcyjna, where she is also a member of the management board and a partner managing the real estate practice.

Justyna Bauta-Szostak graduated from Adam Mickiewicz University in w Poznań (1997-2002), with a Master’s degree in Law. In 2005 she qualified as tax advisor and in 2006 as a legal advisor.

Lukas Gradischnig was appointed as a member of the Supervisory Board in February 2020.

Lukas Gradischnig has diverse and extensive experience in finance, private equity funds and in the real estate sector. He commenced his professional career in 2013 as an analyst with Goldman Sachs. Between 2014 and 2018, he was an associate at Tristan Capital Partners. In 2018, he became a vice president of Ares Management and currently is a principal in Ares Management.

Lukas Gradischnig graduated with a degree of Bachelor of Science in International Business Administration from the Vienna University of Economics and Business (2008-2011) and a Master’s degree in Corporate Finance from Cass Business School London (2012-2013).

Brendan O'Mahony was appointed as an independent member of the Supervisory Board member in July 2021.

Brendan O'Mahony has extensive and comprehensive experience in auditing and transaction advisory. He started his professional career in 1989 as an assurance specialist at Ernst & Young in Ireland. In 1995, he commenced work at Ernst & Young in Poland in the audit department and in 1999 became a partner at Ernst & Young Polska. In 2004, Brendan O'Mahony started to manage the due diligence services practice at Ernst & Young Polska. While at Ernst & Young Polska, Brendan O'Mahony was also the partner managing the transaction advisory practice and a member of the management team from 2007 to 2017. At present, Brendan O'Mahony is a member of supervisory boards of the following companies: Netguru S.A. (since 2018, and since 2019 as the chairman of the supervisory board), and J.S. Hamilton Poland sp. z o.o. (since 2019). From 2021 to 2022 he was also a member of the supervisory board of CSG S.A. – Greencell.

In 1993, Brendan O'Mahony qualified as an ACCA (Association of Chartered Certified Accountants) chartered certified accountant. In 1998, Brendan O'Mahony became a Fellow Member of the Association of Chartered Certified Accountants (FCCA).

Nebil Şenman was appointed as a member of the Supervisory Board in February 2020.

Nebil Şenman has diverse and extensive experience in finance, private equity funds and the real estate sector. He commenced his professional career in 1998 as a director of the real estate practice and corporate finance at Ernst & Young Real Estate (previously Arthur Andersen). From 2005 to 2014, Nebil Şenman served as the senior vice president of Oaktree GmbH (the Oaktree private equity group), and since 2014 he has been a co-managing partner and a member of the supervisory board of Griffin Real Estate sp. z o.o. (from 2022, Griffin Capital Partners sp. z o.o.). Since 2015, Nebil Şenman has been a member of the supervisory board of Echo Investment S.A. Between 2015 and 2020, he held the position of member of the management board of Lisala sp. z o.o., and from 2017 until 2022 he was a member of the supervisory board of Griffin Advisors sp. z o.o. From 2018 to 2019, he was a member of the board of directors of Globalworth Poland Real Estate N.V. and of Echo Polska Properties N.V. Between 2019 and 2020 he served as a member of the management board of Student Depot sp. z o.o.

Nebil Şenman graduated with a master’s degree in Civil Engineering and Business Administration from the Technical University of Berlin, (TU Berlin) and a Master’s degree in International Management, specialisation in General Management and Strategy, from the European Business School, Paris campus (ESCP-EAP) (1994-1996). Between 1996 and 1999, he completed post-graduate studies in Real Estate Management at the European Business School in Paris, specialising in real estate management. In 2000, he completed a financial markets course offered by London Business School (LBS).

Aniela Hejnowska was appointed as an independent member of the Supervisory Board member in April 2024.

Aniela Hejnowska has more than 18 years of experience in managing organisations in the telecommunications and new technology sectors. She specialises in strategic, technological and organisational culture transformations. Since June 2023, she has held the roles of independent member of the Supervisory Board and Audit Committee of Benefit Systems S.A. and member of the Supervisory Board of ML System S.A. From 2020 to 2023, she served as GM of IQVIA, a global leader in healthcare consulting, research, technology and data analytics. She moved from the role of Chief Operating Officer, a member of the Board of Directors of Microsoft in Poland. In addition to her corporate experience, she is an entrepreneur, having co-founded Renters.co.uk, which was bought by EI in 2023. 

Aniela Hejnowska is a graduate of WSB-NLU in Nowy Sacz, where she earned a bachelor's degree in management and marketing in 2002. In 2003, she graduated with honors from Ecole Superieure de Commerce in Grenoble.

She has been awarded, among others, the title of Businesswoman of the Year 2010 awarded by the Foundation Sukces Pisany Szminką which promotes the professional and personal development of women. She is actively involved in social initiatives by serving on the advisory/supervisory boards of the Business Women Leaders Foundation and the Kosmos Foundation for girls.