About Rafal Sienski

Rafal Sienski is Co-Head of the Capital Markets Practice in the Warsaw Office of Greenberg Traurig. He focuses his practice on commercial and civil law, with an emphasis on public and private offerings of equity and debt securities on Polish and international capital markets as well as on complex M&A and restructuring transactions.

Concentrations

•Capital markets
•Securities
•Corporate finance

Recognition & Leadership

Awards & Accolades

Chambers Global:
•Band 2 in Capital Markets: Equity (2026)
•Band 3 in Capital Markets: Equity (2015-2025)
•Band 4 in Capital Markets: Equity (2010-2014)
•Recommended in Capital Markets (2008-2009)
Chambers Europe:
•Band 2 in Capital Markets: Equity (2026)
•Band 3 in Capital Markets: Equity (2015-2025)
•Band 4 in Capital Markets: Equity (2010-2014)
EMEA Legal 500:
•Leading Partner in Capital Markets (2025)
•Recommended in Commercial, Corporate & M&A (2025)
•Leading Individual in Capital Markets (2023-2024)
•Recommended in Capital Markets (2021-2022)
•Recommended in Capital Markets: Debt (2013, 2018-2019)
•Recommended in Capital Markets: Equity (2017-2019)
IFLR1000:
•Highly Regarded in Capital Markets: Equity (2025)
•Highly Regarded in Capital Markets: Debt (2018-2025)
•Highly Regarded in Banking (2019-2025)
•Leading Lawyer in Capital Markets: Debt (2011-2017)
•Recommended in Banking (2016-2018)
Best Lawyers: Recommended in Capital Markets (since 2010)

 

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Services

Areas of Law

  • Other 3
    • Corporate
    • Capital Markets
    • Restructuring & Special Situations

Practice Details

  • Languages
    Polish
    Native
    English
    Fluent
  • Firm Information
    Position
    Shareholder
    Firm Name
    Greenberg Traurig, LLP
  • Representative Cases & Transactions
    Cases
    Experience: Mergers
    Acquisitions: Represented shareholders of Shoper S.A. in connection with the sale of the controlling stake in Shoper S.A. to Cyber_Folks S.A.
    Represented Value4Capital, a private equity firm, in the sale of 100% of the shares in Kom-Eko to a fund whose sole
    exclusive investment advisor is CEE Equity Partners.
    Represented Bricks Acquisitions Limited in the sale of ROBYG S.A. to a wholly owned subsidiary of TAG Immobilien AG.
    Represented PCF Group S.A. in the acquisition of a controlling stake in Incuvo S.A. from Ou Blite Fund,
    Estonian limited liability company.
    Representing the CCC Group in connection with a transaction that will result in two new minority investors becoming shareholders of eobuwie.pl S.A. - the leader in the online footwear market in Central
    Eastern Europe. Cyfrowy Polsat S.A.
    A&R Investments Limited, one of the shareholders of InPost S.A., signed conditional preliminary agreements regarding the sale of two 10% stakes in eobuwie.pl for PLN 500 million for each stake. The total value of the pre-IPO transaction is PLN 1 billion.
    Represented Atlantik in connection with entering into an acting-in-concert agreement concerning Pfleiderer Group S.A., followed by a squeeze-out of minority shareholders
    the delisting of Pfleiderer Group S.A. from the Warsaw Stock Exchange.
    Represented Madison International Realty LLC in connection with the acquisition of a majority stake
    tender offers for the sale of up to 66%
    100% of the shares in Capital Park S.A.
    Represented Goldman Sachs International, through its affiliate Bricks Acquisition Limited, in a PLN 1 billion tender offer for 100% of the shares in ROBYG S.A., followed by a squeeze-out of minority shareholders
    the delisting of ROBYG S.A. from the Warsaw Stock Exchange.
    Represented Acciona Construction SA in a tender offer for the sale of up to 100% of the shares in Mostostal Warszawa S.A.
    Represented Venture Fundusz Inwestycyjny Zamkniety, managed by TFI Trigon S.A., in relation to its Series A Investment in Seed Labs Inc., a Delaware corporation.
    Represented Pfleiderer Grajewo
    Atlantik in connection with the cross-border reorganization (reverse takeover) of the Pfleiderer Group, where Pfleiderer GmbH. was acquired by Pfleiderer Grajewo S.A. with the proceeds from the public offering of shares in Pfleiderer Grajewo S.A. The total value of the Transaction was approximately PLN 744 million.
    Represented Cyfrowy Polsat S.A. in connection with all aspects of the acquisition of Polkomtel sp. z o.o. which included (i) negotiating agreements with existing shareholders, (ii) issuing of Cyfrowy Polsat's new shares
    their admission on the WSE, as well as (iii) refinancing of the existing indebtedness of the Cyfrowy Polsat
    Polkomtel capital group (Senior Notes, PIK Notes
    Senior Facilities). The value of the transaction was PLN 6.15 billion.
    Advised envia Mitteldeutsche Energie AG on the indirect sale of a controlling interest in EC 'Bedzin' S.A.
    Represented BSH Bosch und Siemens Hausgerate GmbH in connection with the acquisition of Zelmer SA by the way of a tender offer for the sale of 100% of the shares in Zelmer SA., followed by a squeeze-out of minority shareholders
    the delisting of Zelmer S.A. from the Warsaw Stock Exchange.
    Advised on introducing IVAX Corporation shares to the WSE as well as on certain Polish law aspects of its merger with Teva Pharmaceutical Industries Ltd.
    introducing Teva's shares to public trading in Pol
    .
    Represented CA IB Fund Management in its acquisition of three Polish national investment funds, as well as the company managing the funds' assets from PZU S.A.
    Advised ING Securities, acting as the offering agent, on the sale of a large stake in ING Bank Slaski by ING Bank.
    Advised on the transaction regarding the sale of a block of GTC S.A. shares by Bank H
    lowy w Warszawie S.A.
    Advised on acquisition
    merger of large public companies from the banking sector, as well as introducing the companies to the WSE.
    Equity Capital Markets: Represented CCC S.A. in connection with the issue of shares worth over PLN 1.5 billion, offered in the accelerated book building process (ABB).
    Represented Diagnostyka S.A., a leading provider of diagnostic services, on the initial public offering (IPO) of the Company's shares
    the admission of some shares to trading on the regulated market operated by the Warsaw Stock Exchange. The value of the shares sold in the IPO amounted to nearly PLN 1.7 billion, making it one of the largest IPOs in Pol
    in recent years.
    Represented shareholders of Shoper S.A. on the sale of the remaining shares in Shoper S.A. through an accelerated bookbuilding process (ABB). The value of shares sold in the ABB exceeded PLN 200 million.
    Represented Zabka Group
    CVC Capital Partners acting as the principal selling shareholder on the initial public offering (IPO) of shares in Zabka Group
    their admission to trading on the regulated market operated by the Warsaw Stock Exchange.
    Represented CVC Capital Partners in connection with its launch of a tender offer for all shares in Comarch S.A.
    Represented BNP Paribas SA acting as the Seller in the offering, through an accelerated bookbuilding process (ABB), of BNP Paribas Bank Polska S.A. shares. The value of the transaction was PLN 886 million.
    Represented Madison International Realty, the majority shareholder of Capital Park S.A., in connection with the compulsory buy-out followed by a delisting of Capital Park from the WSE.
    Represented Sant
    er Bank Polska in the rights issue of Polenergia S.A. The value of the offering has been PLN 750 million (approx. EUR 168.4 million).
    Represented PCF Group in the public offering of new shares addressed to Polish
    international investors. The value of the transaction exceeded PLN 100 million.
    Represented KI Chemistry, a company from the Kulczyk Investments group, in connection with the acquisition of shares in Ciech S.A. via a public tender offer
    several public invitations to submit offers for the sale of shares, including a compulsory buy-out of minority shareholders. The total value of all transactions for the acquisition of shares in Ciech S.A. by KI Chemistry in 2023 was approx. PLN 1.4 billion.
    Represented PCF Group in the public offering of newly issued shares, which were almost entirely subscribed for by KRAFTON, a South Korean video game developer. The value of the transaction amounted to almost PLN 135 million.
    Represented CCC S.A. (listed on the Warsaw Stock Exchange, one of the largest shoe companies in Europe) in the process of issuing
    offering 14 million new shares, allowing CCC S.A. to raise more than PLN 500 million.
    Represented Dom Maklerski Banku H
    lowego S.A. as an investment firm, global coordinator
    joint bookrunner, Citigroup Global Markets Europe AG, Erste Group Bank AG
    Erste Securities Polska S.A. as global coordinators
    joint bookrunners, Jefferies GmbH
    Jefferies International Limited, as joint bookrunners,
    Trigon Dom Maklerski S.A. as the co-lead managers, in connection with the PLN 216 million public offering of shares in Celon Pharma S.A. on the WSE
    Represented ONDE S.A. in the PLN 444.5 million IPO on the WSE.
    Represented Goldman Sachs International
    Morgan Stanley, as Global Coordinators
    Joint Bookrunners
    Barclays Bank, BofA Securities, Citi, as Joint Bookrunners, Biuro Maklerskie PKO BP
    Sant
    er Biuro Maklerskie, as the Joint Bookrunners
    Co-Offering Agents,
    Bank Pekao, Pekao Investment Banking, Credit Agricole Corporate
    Investment Bank, Erste Group
    Raiffeisen Centrobank as the Co-Lead Managers, in connection with the PLN 9.2 billion (PLN 10.6 billion including the over-allotment shares) IPO of shares in Allegro.eu on the WSE. This is the largest IPO in Pol
    's history.
    Represented UBS
    IPOPEMA in connection with a PLN 140 million New Share Offering of Ryvu Therapeutics.
    Represented CCC S.A. in connection with a PLN 500 million New Share Offering.
    Represented Silvair Inc. in connection with its initial public offering of shares
    their admission to trading on the regulated market operated by the Warsaw Stock Exchange. It is the first IPO in history where the shares of an issuer from the U.S. were listed solely on the regulated market of the WSE.
    Represented Pfleiderer Grajewo
    Atlantik in the re-IPO of the restructured Pfleiderer Group on the WSE. The value of the offering was PLN 362 million.
    Represented J.P. Morgan, Pekao Investment Banking S.A., UniCredit Bank AG London branch
    IPOPEMA Securities S.A. in connection with the IPO
    the admission of the shares of X-Trade Brokers Dom Maklerski S.A. to trading on the Main Market of the WSE.
    Represented WIRTUALNA POLSKA HOLDING S.A.
    its selling shareholder, European Media Holding S.a r.l. - an entity controlled by the private equity fund Innova Capital, on the initial public offering of shares
    listing on the WSE.
    Represented Energa S.A. in its over PLN 2.4 billion IPO on the WSE.
    Advised Zespol Elektrowni 'Patnow-Adamow-Konin' S.A. in connection with its PLN 680 million IPO on the WSE.
    Represented PZU S.A. in its PLN 8 billion IPO on the WSE.
    Represented Citigroup, Deutsche Bank, ING
    Dom Maklerski BZ WBK in a domestic
    international offering, through an accelerated bookbuilding, of the Polish State Treasury's shares in the listed KGHM Polska Miedz S.A.
    Advised UniCredit Bank AG, UniCredit CAIB
    Concorde Capital, the underwriters, in connection with the proposed IPO of shares of GEO ALLIANCE OIL-GAS Public Ltd on the WSE.
    Represented PGE Polska Grupa Energetyczna S.A. in its approx. PLN 6 billion IPO on the WSE.
    Advised Credit Suisse, Concorde
    DiBRE in the proposed IPO of ViOil Holding S.A. on the WSE.
    Advised CEDC on public offerings of shares in Pol

    in the United States.
    Represented ASBISc Enterprises plc in its listing
    IPO on the WSE.
    Represented J.W.Construction Holding S.A. in its listing
    IPO on the WSE.
    Debt Capital Markets: Represented Bank Gospodarstwa Krajowego in connection with the sale of PLN 2 billion investment certificates in two funds - the Rental Housing Fund (Fundusz Mieszkan na Wynajem)
    the Housing Sector Development Fund (Fundusz Mieszkan dla Rozwoju) to Polski Fundusz Rozwoju S.A.
    Represented CCC Group on signing an agreement with an entity from the Softbank Group, under which SoftBank Vision Fund 2 will invest PLN 500 million in eobuwie.pl S.A. by taking up convertible bonds.
    Advised Cyfrowy Polsat S.A. on the issue of Series B bonds with an aggregate nominal value of PLN 1 billion.
    Represented Bank Pocztowy in connection with the first issue of the Bank's bonds, part of the subordinated bond issuance program for individual investors with an aggregate value amounting to PLN 1 billion.
    Represented BSH Bosch und Siemens Hausgerate GmbH in connection with the acquisition of convertible bonds issued by Zelmer S.A.
    Represented Energa S.A. in the process of having PLN 1 billion Series A bonds admitted to trading on the Catalyst regulated market.
    Represented Penta Investments Ltd., a shareholder of Empik Media & Fashion, in connection with the refinancing of EMF's PLN 1.2 billion debt. The transaction included offering of EMF's PLN 128.8 million unsecured bearer bonds
    EUR 38 million unsecured registered bonds, a mezzanine loan in the amount of approx. EUR 25 million
    amendment of credit facility
    intercreditor agreements.
    Advised J.P. Morgan Securities Ltd.
    Nomura International plc on the proposed EUR 250 million high-yield bond offering by PBG Finance AB, a special purpose company established by PBG.
    Advised Eileme 1 AB in the offering of USD 201 million PIK Notes.
    Advised Spartan Capital Holdings
    Eileme 2 AB in connection with the offering of EUR 542 million Senior Notes
    USD 500 million Senior Notes.
    Advised Cyfrowy Polsat S.A. on its EUR 350 million High Yield Bond offering.
    Advised CEDC on a EUR 380 million
    USD 380 million debt offering.
    Advised CEDC on introducing its shares to the WSE
    on the Polish law aspects of its High Yield Bond offering to help finance the acquisition of Polmos Bialystok S.A. from the Polish State Treasury, advised CEDC with regard to Polish law in connection with its dual listing on the WSE.
    Advised Marvipol S.A. on its convertible bond issue (mezzanine finance) in connection with a PRE IPO financing.
    Advised Polish non-financial
    financial institutions on debt
    equity offerings, including TP S.A. on its USD 1 billion bond issue on international markets to increase the value of its EMTN Program
    a private debt placement for the amount of EUR 500 million, Bank Przemyslowo H
    lowy PBK S.A. on the launch of its PLN 8 billion bond issue,
    Bank Pekao S.A. on its PLN 1 billion share issue.
    The above representations were h
    led by Mr. Sienski prior to his joining GREENBERG TRAURIG Nowakowska-Zimoch Wysokinski sp.k.
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    2000, Poland
    Memberships

    Professional & Community Involvement

    •Member, Warsaw Bar Association of Attorneys-at-Law

  • Education & Certifications
    Other Education
    Warsaw University/University of Florida Center for American Law Studies
    Class of 1999
    Certificate on American Law

    Warsaw University/University of Florida Center for American Law Studies
    Class of 1999
    with distinction

    Warsaw University
    Class of 2000
    Master of Law
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Attorneys FAQs

  • Does this attorney speak any other languages?
    Rafal Sienski speaks Polish, Native and Fluent.
  • How many attorneys are in this law firm?
    Greenberg Traurig, LLP has 2750 attorneys at this location.
  • What year was this attorney's law firm established?
    Greenberg Traurig, LLP was established in 1967.