Thomas Granetzny

Matthias is a Counsel in Dentons’ Dusseldorf office and a member of the Litigation and Dispute Resolution practice group. He is specialised in international commercial arbitration and has extensive experience in construction engineering and post-M&A disputes. Another key focus of his work is global commercial disputes, including the representation of clients in mass-litigations. He also advises on project development, including the drafting, negotiation and enforcement of commercial...

Mike Weitzel is a lawyer and partner at FGvW in Cologne. He is a specialist lawyer for insurance law and specialises, among other things, in product liability and product advice (especially for liability lines), insurance contract law as well as litigation and arbitration. He is a lecturer in insurance law at Hagen Law School, a member of the insurance law working group of the DAV and the author of numerous publications and specialist lectures. He speaks German and English.

Claudia Maaßen LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. She has been working in the litigation and arbitration practice group of Friedrich Graf von Westphalen’s Cologne office since 2016. Claudia Maaßen is a specialist in dispute resolution with a focus on manager liability and D&O and product liability. Her clients include insurance companies, managers and private companies. Claudia Maaßen speaks German, French and English.

Born in 1968 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Legal clerkship ("Referendariat") at the Detmold District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Bar admission in 1998 Doctor of Laws (Dr. jur.) 2001 With the firm since 2001 Certified Specialized Attorney in Labor and Employment Law since 2003

Hans-Ulrich Wilsing is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice, Corporate Law and Mergers and Acquisitions Law. Hans-Ulrich, who practices law in Düsseldorf, Germany, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hans-Ulrich is held by other top lawyers in the same geographic and legal practice area.

Kai Tumbrägel is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Media Law. Kai, who practices law in Cologne, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kai is held by other top lawyers in the same geographic and legal practice area.

Christian Bürger is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Christian, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christian is held by other top lawyers in the same geographic and legal practice area.

Benedikt Schulz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Benedikt, who practices law in Düsseldorf, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benedikt is held by other top lawyers in the same geographic and legal practice area.

Wibke Schumacher is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Tax Law. Wibke, who practices law in Cologne, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wibke is held by other top lawyers in the same geographic and legal practice area.

Herbert Posser is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Public Law. Herbert, who practices law in Düsseldorf, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Herbert is held by other top lawyers in the same geographic and legal practice area.