Jan Ischreyt has in-depth expertise in corporate law. He specializes in M&A, joint ventures, restructurings and other corporate matters.
Jan has particular expertise in the infrastructure and renewable energy sectors, where he advises national and international investors on corporate law issues and M&A transactions in various asset classes, especially in the small and mid-cap sector.
Before joining the firm, he worked for other major international law firms in Frankfurt in the areas of M&A and corporate law.
Jan advised:
- Silver Lake and its portfolio company Cegid on the acquisition of the German software provider sevdesk
- Aukera on the acquisition of a photovoltaic and battery storage project in Rhineland-Palatinate
- Aream Group on the formation of a joint venture with Eiffel Investment Group represented by the Eiffel Transition Infrastructure Fund
- Handelsblatt/Best Lawyers™, “Ones to Watch” in Germany: Mergers and Acquisitions Law, 2025-2027
- Higher Regional Court of Frankfurt, Second State Examination
- Goethe University Frankfurt, First State Examination
- Germany
- German
- English

Constanze Götz
Constanze Götz’s practice focuses on the energy and infrastructure sector. She advises clients comprehensively on the energy transition, in particular on renewable energy and hydrogen projects.
Before joining McDermott, Constanze Götz gained extensive experience in providing legal advice in a major international law firm.
- Handelsblatt/Best Lawyers™, “Ones to Watch” in Germany: Energy Law, 2027
- Regional Court of Wiesbaden, Second State Examination
- EBS University for Business and Law, First State Examination
- EBS University for Business and Law, MA
- EBS University for Business and Law, LLB
- Germany
- German
- English

Jesse Douglas
Jesse Douglas focuses his practice on acquisition and other debt financings for private equity sponsors and their portfolio companies, direct lenders and other public and private companies.
Jesse provides counsel to borrowers and lenders in both the syndicated and private loan markets. He has experiencing negotiating, documenting and executing unitranche facilities, first lien/second lien facilities, junior debt facilities, asset backed loans, recapitalizations, refinancings, special situations, debt restructurings and fund-level financings (including secured subscription lines, management company lines and NAV facilities).
- Represented the portfolio company of a large private equity sponsor in connection with a $2.5 billion-dollar broadly syndicated credit facility the proceeds of which were used for a strategic refinancing and concurrent add-on acquisition
- Represented a premier enterprise software-focused sponsor in connection with an approximately $1.35 billion-dollar private credit facility for a platform leveraged buyout
- Represented a prominent healthcare-focused sponsor in connection with a $700 million-dollar senior secured operating company facility coupled with a $300 million-dollar unsecured holding company PIK facility
- Benjamin N. Cardozo School of Law, JD
- George Washington University, BBA
- Florida
- New York
- English

Fayçal Laraki
Fayçal Laraki advises on corporate law, particularly on private equity and mergers and acquisitions, accompanying private equity funds and managers in LBOs and capital development transactions.
- ESSEC Business School
- Paris Dauphine University – PSL
- Paris 1 Panthéon-Sorbonne University
- University Hassan II, LLB Private Law
- Paris
- Arabic
- English
- French
- Spanish

Gabin Beaudor
Gabin Beaudor focuses his practice on corporate law with a particular focus on private equity, venture capital and mergers and acquisitions.
- Queen Mary University, LLM Commercial Law
- Sciences Po
- Sciences Po
- Sorbonne University
- Paris
- English
- French

Yuhe Liu, PhD
Dr. Yuhe Liu, PhD, focuses his practice on patent prosecution and litigation, drawing on extensive scientific and industry experience to advise clients across the life sciences and emerging technology sectors. His work spans a wide range of technologies, including molecular genetics, biotechnology, immunology, gene and cell therapy, artificial intelligence, and machine learning.
Before his current role as an associate, Dr. Liu served as a patent agent at McDermott Will & Schulte and other international law firms. Earlier in his career, he worked as a quantitative geneticist at a computational plant breeding company and as a senior molecular biologist at a seeds and biotechnology solutions company.
- Managed patent matters for clients ranging from startups, Fortune 500 companies, universities and research institutes*
- Successfully prosecuted patent applications relating to plant biotechnology, gene editing, immunotherapy and molecular diagnostics*
- Drafted legal opinions concerning patent invalidity and non-infringement*
- Co-authored peer-reviewed research articles and co-invented US patent*
*Prior to joining the firm.
- American Bar Association
- American Intellectual Property Law Association
- University of Illinois at Urbana-Champaign, PhD
- University of Illinois at Urbana-Champaign, MS
- Georgetown University Law Center, JD
- China Agricultural University, BS
- California
- US Patent and Trademark Office
- English
- Chinese (Mandarin)

Frank Caprio
Frank Caprio focuses his practice on corporate advisory and transactional matters.
While in law school, he served as a judicial intern for the Honorable William E. Smith of the US District Court for the District of Rhode Island. While at Brown University, Frank majored in Economics and played varsity baseball.
- Columbia Law School, JD
- Brown University, BA
- New York
- English
- French

Janek Joosten
Janek Joosten advises clients on employment law matters.
Prior to joining McDermott Will & Schulte as an associate, Janek gained valuable experience as a law clerk and research assistant at internationally renowned law firms in Düsseldorf, San Francisco, and Silicon Valley. He also worked for the German embassy in Bratislava.
- Award of the Freundeskreis Rechtswissenschaft e.V. for outstanding performance in the First State Examination
- Higher Regional Court of Düsseldorf, Second State Examination
- University of Münster, First State Examination
- Germany
- German
- English

Andreas Klaus
Andreas Klaus focuses on tax consulting for entrepreneurs, family businesses, corporations, and listed companies. He advises on national and international corporate tax law, tax-free reorganizations, and on proceedings before tax authorities and courts, in particular tax audits and legal disputes relating to tax matters. He is double qualified as lawyer and tax advisor.
Prior to joining the firm, Andreas worked in special tax consulting for national and international companies and corporations and in a state tax administration (Landesfinanzverwaltung).
- Handelsblatt/Best Lawyers™, “Ones to Watch” in Germany: Tax Law, 2026-2027
- Scholar of the Max Weber Program (carried out by the German Academic Scholarship Foundation) for highly gifted students according to the Bavarian Elite Support Act, 2011–2017
- Working association of specialist lawyers for tax law
- Munich Association of Tax Consultants and Tax Advisors
- Munich Bar Association
- International Fiscal Association (IFA)
- German Society of Tax Law
- Certified Tax Advisor
- University of Potsdam, LLM
- Higher Regional Court of Munich, Second State Exam
- Ludwig Maximilian University of Munich, First State Exam
- Germany
- German
- English
Kenton Atta-Krah
Kenton Atta-Krah works with clients on a range of high-stakes litigation and US and international white-collar matters spanning anti-corruption compliance and internal investigations. His broad experience includes government and regulatory enforcement actions involving the US Department of Justice, the US Securities and Exchange Commission, the Commodity Futures Trading Commission and the Public Company Accounting Oversight Board.
- Best Lawyers: Ones to Watch in America, Criminal Defense: White-Collar, 2024-2026
- Super Lawyers: Rising Star, 2020- 2023
- Duke University School of Law, JD
- Wesleyan University, BA
- New York
