Our Board of Directors
Our partners at WIRA Audit embody experience, entrepreneurial thinking, and personal responsibility. They support our clients in all matters related to auditing and consulting, applying their interdisciplinary expertise in a targeted manner. Through their close involvement in client work, they ensure personalized support at the highest level of quality. This results in sustainable solutions that secure our clients’ long-term economic success.
Dr. Philipp Diers, LL.M.
Certified Public Accountant, Tax Consultant, Attorney at Law
Member of the Executive Board
Managing Partner at the WIRA office in Emsdetten
Dr. Philipp Diers, LL.M.
Certified Public Accountant, Tax Consultant, Attorney at Law
Member of the Executive Board
Managing Partner at the WIRA office in Emsdetten
Neubrückenstraße 4
48282 Emsdetten
Phone +49 7731 9587-888
- Tax Planning Advisory Services
- Restructuring, Tax Law Related to Business Conversions
- Real Estate Transfer Tax
- Succession Planning
- Audits
- Logistics
- Retail
- Mechanical Engineering
- Small and medium-sized manufacturing and service companies
- Appointed as a Certified Public Accountant, 2018
- Appointed as a Certified Tax Advisor, 2015
- Master of Laws (“Mergers & Acquisitions”), University of Münster, 2012
- Admitted to the bar, 2009
- Doctor of Law (Dr. jur.), 2007
- Legal clerkship, 2006–2008
- Doctoral candidate at the Institute for International Business Law, University of Münster, 2004–2006
- Law degree, University of Münster, 2000–2004
Dr. Thomas Schinogl
Auditor and Certified Public Accountant
Member of the Executive Board
Managing Partner at the WIRA Frankfurt office
Dr. Thomas Schinogl
Auditor and Certified Public Accountant
Member of the Executive Board
Managing Partner at the WIRA Frankfurt office
Hamburger Allee 2-4 / Westendgate
60486 Frankfurt
Phone +49 7731 9587-888
Tax Consulting
- International Tax Law
- Mergers and Acquisitions
- Restructuring
- Holding Companies
Auditing and Management Consulting
- Audits of Annual and Consolidated Financial Statements
- International Financial Reporting Standards (IFRS)
- Business Valuations, Due Diligence, M&A
- Business Planning and Strategic Consulting
- Crisis Management / Restructuring
- Service companies
- Machinery and plant engineering
- Institute of Public Auditors (IDW)
- Chamber of Public Auditors
- American Institute of Certified Public Accountants (AICPA)
Dr. Bernd Waffler
Certified Public Accountant and Tax Consultant
Member of the Executive Board
Managing Partner at the WIRA office in Regensburg
Dr. Bernd Waffler
Certified Public Accountant and Tax Consultant
Managing Partner at the WIRA office in Regensburg
Franz-Mayer-Strasse 16a
93053 Regensburg
Phone +49 7731 9587-888
- Statutory Audits of Annual and Consolidated Financial Statements
- (Cross-Border) Corporate Transactions
- Tax and International Structuring Advice
- Transfer Pricing Advice and Documentation
- Automotive
- Real Estate and Construction
- Wholesale
- Machinery and Plant Engineering
- Bachelor's degree in Business Administration from the University of Regensburg (Dipl.-Kfm.)
- Ph.D. from the University of Regensburg (Dr. rer.pol.)
- Certified Public Accountant
- Business Manager
Dr. Horst Schaffer
Certified Public Accountant and Tax Advisor
Member of the Executive Board
Managing Partner at the WIRA Nuremberg office
Äußere Sulzbacher Str. 118
90491 Nürnberg
Phone +49 7731 9587-888
- Mergers and Acquisitions
- International Tax Law
- Initial Public Offering
- Succession planning
- Holding companies
- Crisis Situations/Restructuring
- Retail, including Filialisten
- Mail-order business
- E-commerce
- Construction and construction-related industries
- Control and chip manufacturers
- Radio station
- Insurance broker
- Member of the Board of AGN International
- Board member of a nonprofit foundation
- Member of the jury for the Bavarian Startup Award
- Long-time judge for the “Northern Bavaria Business Plan Competition”
- Co-founder and benefactor of the “German Lions Foundation”
- Member and supporter of the "Klasse 2000 Association"
- Bachelor's degree in Business Administration, Friedrich-Alexander University, Erlangen-Nuremberg
- Ph.D. from the Budapest University of Economic Sciences on “Acquisitions as a Marketing Tool for Capturing Old and New Markets”
- Appointment as a tax advisor and certified public accountant
Dipl.-Kfm. André Marius Le Prince
Certified Public Accountant and Tax Consultant
Member of the Executive Board
Managing Partner at the WIRA Hamburg office
Dipl.-Kfm. André Marius Le Prince
Certified Public Accountant and Tax Advisor
Managing Partner at the WIRA Hamburg office
Süderstraße 73
20097 Hamburg
Phone +49 7731 9587-888
- Tax Planning (Succession, Restructuring, Tax Optimization)
- Corporate Finance
- M&A
- Social Business
- Shipping
- Mutual fund companies
- Family-owned businesses
- Financial services provider
- Nonprofit organizations
- Chamber of Certified Public Accountants
- IDW Institute of Public Auditors
- AGN
- African Social Business Plus e.G. and African Social Business Pure e.G. (Focus on Africa)
- SBG Social Business e.G. and Social Business Pure e.G. (Focus on social business investments worldwide)
- Vital Village e.G. (Focuses on social business investments in sustainable agriculture and forestry worldwide)
- Banking professional at Dresdner Bank/Commerzbank, Hamburg
- Business Administration Program at the University of Hamburg
- Appointment as a Certified Public Accountant and Tax Advisor
Ralf Ziegler
Certified Public Accountant, Tax Consultant, Sustainability Auditor (IDW)
Managing Partner at the WIRA office in Nuremberg
Dipl.-BW (FH). Ralf Ziegler
Certified Public Accountant, Tax Consultant, Sustainability Auditor (IDW)
Managing Partner at the WIRA office in Nuremberg
Linprunstrasse 49
80335 München
Phone +49 7731 9587-888
- Conducting audits of annual and consolidated financial statements in accordance with the German Commercial Code (HGB)
- Tax and Business Consulting
- Consulting related to the implementation of sustainability reporting
- Tax Planning Advice for Small and Medium-Sized Businesses
- Assistance with tax audits
- Fashion-Industry
- Manufacturing and service companies
- Start-Ups
- Chamber of Certified Public Accountants
- Munich Chamber of Certified Public Accountants
- IDW Institute of Public Auditors
- AGN
- 2024: Sustainability Auditor IDW
- 2023: Certified Public Accountant
- 2010: Tax Advisor
- 2006: Studied business administration with a focus on taxation at the University of Applied Sciences in Augsburg
Andreas Weinberger
Certified Public Accountant and Tax Consultant
Partner at the WIRA Munich office
Dipl.-Kfm. Andreas Weinberger
Certified Public Accountant and Tax Advisor
Partner at the WIRA Munich office
Gisela-Stein-Str. 6
81671 München
Phone +49 7731 9587-888
- Audits of annual and consolidated financial statements in accordance with the German Commercial Code (HGB) and International Financial Reporting Standards (IFRS)
- Tax and Business Consulting
- Implementation of Controlling and Risk Management Systems
- Consulting for startups and entrepreneurs
- Corporate Restructuring and Turnaround
- Business Valuations
- Public speaking
- Manufacturing and service companies
- Real Estate / Construction Industry
- Nonprofit organizations
- Breweries
- Chamber of Certified Public Accountants
- IDW Institute of Public Auditors
- AGN
- Consultant for Restructuring and Business Planning (DStV e.V.)
- Appointment as a Certified Public Accountant
- Appointment as a Certified Public Accountant
- Business Administration Degree (Dipl.-Kfm.) at the University of Regensburg
Dr. Hansjörg Reichert
Attorney, Certified Public Accountant
Member of the Executive Board
Managing Partner at the WIRA office in Singen
Dr. Hansjörg Reichert
Attorney, Certified Public Accountant
Member of the Executive Board
Managing Partner at the WIRA office in Singen
Max-Porzig-Straße 1
78224 Singen
Phone +49 7731 9587-888
- Corporate and Tax Planning Advice
- International Tax Law
- (Cross-Border) Corporate Transactions
- Succession Planning
- Energy sector, particularly renewable energy
- Real Estate and Construction Industry
- Online shopping
- Crafts
- Media companies
- Freiburg Bar Association
- South Baden Chamber of Tax Advisors
- German-Swiss Lawyers' Association
- German-Swiss Chamber of Commerce
- Cyberlago
- Solarlago
- UfG (Entrepreneurs for Founders)
- Studying at the University of Tübingen
- Judicial clerkship at the Tübingen Regional Court
- Ph.D. at the University of Tübingen
- Attorney
- Tax advisor
Dipl.-Betriebswirtin Claudia Breitschaft
Partner at the WIRA Munich office
- Business Administration Program at Nuremberg University of Applied Sciences
- Certified Public Accountant since 2004 and Certified Tax Advisor since 2000
Dr. Werner Kleinle
Certified Public Accountant, Tax Consultant
Chairman of the Supervisory Board
- Appointed as a Certified Public Accountant, 1992
- Admitted to the Bar as a Certified Public Accountant, 1989
- Ph.D. in Political Science, 1988
- Studied Business Administration at the University of Stuttgart, 1978–1983
Thomas Schrepfer
Bachelor of Business Administration, Certified Public Tax Accountant
Vice Chairman of the Supervisory Board
- Admitted as a Certified Public Accountant, 1992
- Studied Business Administration at Friedrich-Alexander University of Erlangen-Nuremberg
Matthias Baier
Member of the Supervisory Board
