Jascha D. Preuss


Jascha D. PreussContact Information

Jascha D. Preuss

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main +1 646 731 2770
direct +1 646 731 2775
fax +1 646 619 4705


200 W 41st St.
(at Times Square)
20th Floor
New York, NY 10036


German, Swiss-German, French and Spanish

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> Bar Admissions

> Memberships

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> Speaking Engagements

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Jascha Preuss focuses his practice on cross-border and domestic corporate, commercial and credit transactions.  Jascha advises investors and companies on the formation and operation of subsidiaries, joint ventures and strategic alliances, mergers and acquisitions, divestitures and asset sales. He drafts and negotiates a variety of commercial agreements as well as employment agreements and commercial leases. Jascha also represents businesses headquartered abroad as US outside general counsel and/or corporate secretary with regard to corporate governance, compliance, legal risk management and corporate housekeeping matters. He represents clients in international dispute resolution matters and manages the efforts of special litigation counsel.

Prior to founding Reiss+Preuss LLP, Jascha was associated with Wuersch & Gering LLP, focusing on cross-border corporate transactions and litigation, Mayer Brown LLP in New York, where he practiced in the Finance and Latin America Groups, and Thelen Reid & Priest LLP in New York, where he practiced international litigation and arbitration. 

Before relocating to the United States, Jascha practiced with Wenger Plattner in Zurich, Switzerland, and clerked for the District Court of Zurich and the Claims Resolution Tribunal for Dormant Accounts in Switzerland.  Jascha started his career as a research fellow and junior lecturer at Humboldt-University in Berlin.

Jascha has provided pro bono services to refugees and to various not-for-profit organizations in the areas of cultural exchange and hunger relief.  He is a board member of Congregation Ahavas Israel of Greenpoint in Brooklyn, New York, and a founder of the Greenpoint Interfaith Food Program.

Practice Areas

Corporate and Commercial Law (including General Corporate Matters and Mergers & Acquisitions), Employment, Real Estate Leases, Cross-Border Litigation and Arbitration


New York University School of Law, LL.M., 2002
University of Basel (Switzerland), School of Law, lic.iur. (J.D.), magna cum laude, 1991

Bar Admissions 

New York
Southern and Eastern Districts of New York
Switzerland (not practicing)


Swiss-American Lawyers Association of Greater New York, Inc. (Co-Founder, Director & President)
New York City Bar Association (member)
Zurich and Swiss Bar Associations (non-practicing member)


Markeneintrag in den USA (Trademark Registration in the US), Jusletter August 30, 2004, www.jusletter.ch
Rahmenbedingungen und rechtliche Strukturierung eines unternehmerischen Engagements in den USA (Legal Framework for Engaging in Business in the US), co-author with Ina Hasdenteufel, Jusletter October 11, 2004

Speaking Engagements

Doing Business in the USA - mehr Präsenz, Markt und Erfolg, Swiss American Chamber of Commerce / Swiss Export, Zurich, April 8, 2014 (Slides, in German)

US Discovery in Aid of Foreign Proceedings: Intel v. AMD and Other Recent Decisions – What Consequences for Swiss Proceedings? Zurich, March 2005

After Hours

A pair of twins keeps Jascha and his wife busy. Otherwise, he enjoys all kinds of mountain sports, bicycling and running.


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200 W 41st St.
(at Times Square)
20th Floor
New York, NY 10036
T +1 646 731 2770