Christoph Poertzgen

Yorick Ruland is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Yorick, 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 Yorick is held by other top lawyers in the same geographic and legal practice area.

Jörg Nerlich is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Jörg, who practices law in Cologne, Germany, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jörg is held by other top lawyers in the same geographic and legal practice area.

Markus Kappenhagen is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law, Labor and Employment Law and Litigation. Markus, who practices law in Düsseldorf, Germany, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Markus is held by other top lawyers in the same geographic and legal practice area.

Antonio Calderón is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Antonio, who practices law in Düsseldorf, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antonio is held by other top lawyers in the same geographic and legal practice area.

Joachim C. Mohlitz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Joachim C., who practices law in Essen, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joachim C. is held by other top lawyers in the same geographic and legal practice area.

Born in 1976 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 2002 Doctoral studies at the University of Münster Research consultant at the University of Münster's Freiherr-vom-Stein Institute, the academic research center of the Association of North-Rhine Westphalian Districts, 2002 - 2004 Doctor of Laws (Dr. jur.) 2005 Legal clerkship ("Referendariat") at the Paderborn District Court Second (Bar) Exam ("2. Staatsexamen"), bar admission 2006, with t...

Olaf Konzak is a partner in the Cologne office of Friedrich Graf von Westphalen & Partner and heads the public law practice. In September 2018, Olaf Konzak and a team of four lawyers from LLR Legerlotz Laschet und Partner moved to the FGvW office in Cologne. Since September 1, 2018, he has been a partner in the practice in public law. His practice focuses on environmental and waste law, chemicals and substances law and public building law. Olaf Konzak has been working as a lawyer since 19...

Markus Schmülling is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Markus, 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 Markus is held by other top lawyers in the same geographic and legal practice area.

Dr Jan Joachim Dreyer’s work includes antitrust defence, in particular for companies with strong market positions, in sales and traditional antitrust matters, compliance issues in sales and in all forms of cooperation between competitors. His areas of expertise also include global and local merger control, including litigation over decisions by authorities reaching the German Federal Court of Justice and the European courts, claims for damages arising from antitrust violations, state ai...

Tobias Lenz is a lawyer and partner at Friedrich Graf von Westphalen & Partner. In addition, he is a professor for national and international commercial law at the Rhineland University of Applied Sciences (Rheinische Fachhochschule) in Cologne and the director of the Institute for Liability and Insurance Law (Institut für Haftungs- und Versicherungsrecht). Tobias’ main focus lies on product liability and insurance law, liability of managing directors and execute board members, ...