Leonhard Aretz
Lawyer, M. A.
(International Management)
Phone: 02131/9242-0
Fax: 02131/9242-11
Birgül Demir
Bachelor of Laws /
Assistant tax consultant
Phone: 02131/9242-0
Fax: 02131/9242-11
Dietrich von Diest
Lawyer / Tax Advisor
Specialist in tax law
Phone: 02131/9242-0
Fax: 02131/9242-11
Stefanie Fiege (on parental leave)
Bachelor of Arts (Taxation)
Phone: 02131/9242-0
Fax: 02131/9242-11
Jochen Marx
Master of Business Administration
Certified Public Accountant/
Tax Advisor
Phone: 02131/9242-0
Fax: 02131/9242-11
Lina Rheydt
Tax Advisor / Specialist for international tax matters
Phone: 02131/9242-0
Fax: 02131/9242-11
Lina Rheydt
Master of Business Administration
Office Manager
Phone: 02131/9242-0
Fax: 02131/9242-11
Alina Schmidt
Assistant tax consultant
Bachelor of Laws (Steuerrecht)
Phone: 02131/9242-0
Fax: 02131/9242-11
Dr. Markus Terhürne
Certified Public Accountant / Tax Advisor
Phone: 02131/9242-0
Fax: 02131/9242-11
Gundula Thiel
Master of Business Administration,
Tax Advisor
Phone: 02131/9242-0
Fax: 02131/9242-11
Andrea Wahlen
Master of Business Administration / Tax Assistant
Phone: 02131/9242-0
Fax: 02131/9242-11
Thomas Zitzmann
Master of Business Administration / Tax Advisor
Phone: 02131/9242-0
Fax: 02131/9242-11