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EXPERTISE


Investment Banking

Private Equity

Direct Investments

Board Governance

Corporate Finance


EDUCATION

Oxford University

BA Law

WORK HISTORY

SEDA Experts

Managing Director

2026-Current


Dimand SA

Chairman

2022-Current


Millwall Holdings Plc

Director

2005-Current


The Blackstone Group

Senior Advisor, Private Equity

2012-2017


PLAY

Vice Chairman

2005-2012


Netia

Vice Chairman

2005-2008


Forthnet

Vice Chairman

2005-2009


Novator Partners LLP

Managing Partner

2004-2010


Merrill Lynch

Head of EEMEA Investment Banking

2000-2004


Credit Suisse First Boston

Director, Investment Banking

1988-2000

Investment Banking & Private Equity Expert Witness

Constantine Gonticas brings nearly four decades of experience in investment banking, private equity, and direct investment, with a particular focus on Central and Eastern Europe.

Constantine has held senior roles at Blackstone, Novator Partners, Merrill Lynch, and Credit Suisse First Boston, and has extensive experience serving on the boards of listed and private companies across Europe.

Mr. Gonticas is a private equity investor through his own company, Green Square Capital. Throughout his career, he has been involved with many of the largest companies in Central and Eastern Europe, both as an investor and as an investment banker. He was among the first finance professionals to become active in Central Europe in the early 1990s.

From 2012 to 2017, Mr. Gonticas served as a Senior Advisor in Private Equity at The Blackstone Group. Previously, he was Managing Partner of Novator Partners, a private investment firm specializing in direct investment in Central and Eastern Europe. While at Novator, he sourced a number of investments in the region, including PLAY, Netia, and Forthnet. He also played a key role in the creation of PLAY, Poland’s leading mobile telephony company.

Prior to Novator, Mr. Gonticas served as Head of EEMEA Investment Banking at Merrill Lynch, with responsibility for investment banking across Central and Eastern Europe, the Middle East, and Africa. Before joining Merrill Lynch, he spent 12 years at Credit Suisse First Boston in investment banking.

Mr. Gonticas has held a number of board positions across Europe, with experience in the governance and supervision of both listed and private companies. He currently serves as Chairman of DIMAND S.A., listed on the Athens Stock Exchange, and has been a Director of Millwall Holdings Plc since 2005. He previously served as Vice Chairman of PLAY, Netia, and Forthnet.

Mr. Gonticas holds a BA in Law from the University of Oxford.

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Constantine Gonticas

1185 Avenue of the Americas
New York, NY 10036

+1 646-626-4555

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