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

philipp.diers@stodibe.de

Neubrückenstraße 4
48282 Emsdetten
Phone +49 2572 4085

  • 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
  • Since 2013: Partner and Managing Director of Stolze - Dr. Diers - Beermann GmbH, Emsdetten
  • 2009–2012: Attorney at a leading German transaction law firm in Munich

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

schinogl.fra@wira-audit.org

Hamburger Allee 2-4 / Westendgate
60486 Frankfurt
Phone +49 (69) 27 118-0

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)
  • Member of the WIRA AG Executive Board
  • Managing Partner of SMC Revisions- und Treuhand GmbH WPG, Frankfurt

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 +49 941 208645-0

regensburg@wira-audit.org

  • 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
  • Over 25 years of experience in consulting and auditing
  • Several years of experience at a “Big Four” firm
  • Managing Partner of a mid-sized firm since 2005
  • Member of the Advisory Board of the Chamber of Public Accountants, 2009–2013
  • Visiting lecturer at the East Bavarian University of Applied Sciences (OTH)

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 +49 911 95 998 103

schaffer.nue@wira-audit.org

  • 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
  • Since 1987: Self-employed with Schaffer & Partner GbR (certified public accountants, tax consultants, attorneys) with offices in Nuremberg, Prague, and Bratislava
  • 1980–1986: Employee at a large accounting, tax, and law firm in Nuremberg, specializing in auditing and restructuring / management consulting
  • 1979: “Summer Intern” at a major pharmaceutical company in the U.S.

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

leprince.hh@wira-audit.org

Süderstraße 73
20097 Hamburg
Phone 040 41 09 88 – 394

hamburg@wira-audit.org

  • 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
  • Managing Partner at WLP GmbH, an auditing and tax consulting firm, Hamburg
  • Deputy Managing Director at econ treuhand gmbh, Hanover
  • Audit Manager at Arthur Andersen & Co. GmbH (Ernst & Young Germany), Hamburg

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

ziegler@wira-audit.org

Linprunstrasse 49
80335 München

  • 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
  • Since 2018: Audit Partner and Managing Director at SH+C, following a stint as a Senior Manager at a major accounting firm specializing in international audit
  • 2007: Joined SH+C

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

weinberger.muc@wira-audit.org

Gisela-Stein-Str. 6
81671 München
Phone +49 (89) 520337-158

  • 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
  • Managing Partner of WirtschaftsTtreuhand GmbH WPG/StBG, Munich, since 2017
  • 2012–2016 Partner (since 2014) and authorized signatory (since July 2012) at WirtschaftsTreuhand GmbH WPG/StBG, Munich
  • 2010–2011: Chief Financial Officer of Bewerbungsgesellschaft München 2018 GmbH
  • 2003–2012 Deloitte & Touche GmbH WPG, Munich
  • 2000–2001: Working student at Rödl & Partner GmbH WPG/StBG, 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 9587-0

singen@wira-audit.org

  • 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
  • Studying at the University of Tübingen
  • Judicial clerkship at the Tübingen Regional Court
  • Ph.D. at the University of Tübingen
  • Attorney
  • Tax advisor
  • Research Assistant at the University of Tübingen
  • Own law firm
  • Partner at a medium-sized tax and legal consulting firm for the past 30 years
  • Founding partner and member of the Supervisory Board of solarcomplex AG for 24 years

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
  • Member of the Supervisory Board of Volksbank Göppingen eG since 1997 and Chairman of the Supervisory Board since 2005
  • Chairman of the Supervisory Board of WIRA AG since 2023
  • Chairman of the Supervisory Board of Reiser AG, Vöhringenstadt, since 2024
  • 1995–2022 Partner and Managing Director, WirtschaftsTreuhand GmbH, Stuttgart
  • 2011–2022 Board of Directors, WIRA AG
  • 1989–1995 Partner and Authorized Signatory at WirtschaftsTreuhand GmbH, Stuttgart
  • 1983–1989 WirtschaftsTreuhand GmbH, Stuttgart
  • Deputy Trustee at VPV Lebensversicherung-AG since 2018
  • 2011–2015 Member of the Board of Directors of the Institute of Economic Auditors (Instituts der Wirtschaftsprüfer e.V.)
  • 2015–2018: Volunteer Board Member of the Institute of Public Auditors (Institut der Wirtschaftsprüfer e.V.)

Dipl.-Betriebswirtin Claudia Breitschaft

Member of the Supervisory Board

Claudia Breitschaft
Certified Public Accountant and Tax Advisor
Member of the Supervisory Board

Linprunstraße 49
80335 München
Phone +49 (89) 547 090 500

breitschaft.muc@wira-audit.org

  • Conducting audits of the financial statements of limited partnerships, stock limited partnerships, and corporations
  • Tax advisory services for clients of all types of business entities, as well as personalized tax advisory services for shareholders
  • Income Tax, Corporate Income Tax, Sales Tax, Business Tax, Inheritance and Gift Tax
  • Development and implementation of business and tax strategies
  • Business Valuations
  • Management control tools
  • Handling of specialized tax issues (e.g., during tax audits)
  • Small and medium-sized manufacturing, retail, and service companies
  • Textiles and Apparel (Retail Chains and Wholesale)
  • Business Administration Program at Nuremberg University of Applied Sciences
  • Certified Public Accountant since 2004 and Certified Tax Advisor since 2000
  • Managing Director and Partner since 2008, SH+C Schwarz Hempe & Collegen GmbH WPG/StBG
  • 2001–2007: Freelance consultant and partner at SH+C Schwarz Hempe & Collegen GmbH WPG/StBG
  • 1996–2000: Audit and Tax Assistant at an international accounting firm, Munich
  • 1985–1991: Administrative assistant and team assistant in the manufacturing sector

As part of a network

WIRA AG is part of AGN International, a network of independent consultants from more than 90 countries.