Aleksander Janiszewski > Greenberg Traurig Grzesiak sp. k. > Warsaw, Poland > Lawyer Profile

Greenberg Traurig Grzesiak sp. k.
00-498 WARSAW

Work Department





Aleksander Janiszewski focuses his practice on:
• Representing borrowers and lenders in domestic and cross-border bank financings, including acquisition, real estate, DIP and LOC facilities;
• Debt offerings, including high yield; and
• Venture capital transactions.

Prior to joining Greenberg Traurig Aleksander has worked at top international law firms in New York and London. He is admitted to practice in New York, England, and Poland.

Domestic and international bank finance transactions
Debt capital markets
Venture capital

Banking & Financial Services
Corporate Finance

Admission to Practice
New York
England and Wales


Polish, Native
English, Fluent


  • J.D., University of Pennsylvania Law School, 2008
  • LL.M., University of Pennsylvania Law School, 2006
  • Certificate in Business and Public Policy, Wharton, University of Pennsylvania, 2006
  • Master of Law, Łazarski University of Commerce and Law, 2003

Lawyer Rankings

Poland > Restructuring and insolvency

(Leading individuals)

Aleksander JaniszewskiGreenberg Traurig Grzesiak sp. k.

Greenberg Traurig Grzesiak sp. k.‘s multidisciplinary team brings together expertise from the firm’s corporate and banking departments to assist distressed companies, creditors, new lenders and equity sponsors with bankruptcy and restructuring issues. The group is known for pre-bankruptcy counselling, as well as advising on the tax implications of debt reduction and out-of-court restructurings. The group is coordinated by finance lawyer Andrzej Wysokinski, who has significant experience in financial restructurings. Aleksander Janiszewski has cross-border restructuring and insolvency experience, drawing on experience in complex finance transactions. Managing partner Jarosław Grzesiak is well versed in corporate restructurings. Michał Bobrzyński is a regulatory expert who advises banks and companies on bankruptcy law issues.

Poland > Private equity

(Next Generation Partners)

Aleksander JaniszewskiGreenberg Traurig Grzesiak sp. k.

(Leading individuals)

Aleksander JaniszewskiGreenberg Traurig Grzesiak sp. k.

Greenberg Traurig Grzesiak sp. k.‘s group of ‘excellent negotiators and top performers‘ in Warsaw is singled out for exhibiting ‘the highest ethical and professional standards‘. It is able to advise on the full spectrum of activities by private equity houses, leveraging expertise from other departments, including tax, finance and capital markets. The group is best known for its private equity work in the real estate sector, where it advises on high-profile  portfolio acquisitions. With the presence of Aleksander Janiszewski, venture capital is an important feature of the practice, which includes advising on domestic and cross-border investments, particularly in the technology and new energy sectors. The overall private equity department is jointly led by Lejb Fogelman and Jarosław Grzesiak, both of whom are experienced transactional lawyers. ‘Very pragmatic and able to close negotiations‘ Rafał Baranowski is another transactional specialist, with a focus on the oil and gas sector.

Poland > Banking and finance

(Next Generation Partners)

Aleksander JaniszewskiGreenberg Traurig Grzesiak sp. k.

Greenberg Traurig Grzesiak sp. k.‘s team has ‘its ears close to the ground‘, advising borrowers, lenders and sponsors on the spectrum of debt financings, with the ability to call on the support of offices in New York and London for cross-border matters. The group has a stellar reputation for real estate financings, but it is also active in the areas of acquisition finance, bridge and mezzanine lending and financial restructurings. The department is led by Andrzej Wysokinski, who is a veteran of cross-border finance transactions. Aleksander Janiszewski specialises in debt financings and venture capital. Łukasz Pawlak is the name to note for banking regulatory work and often represents clients before the Polish Financial Supervision Authority.