Personalities
Movers and shakers with expertise
Our experts come from a wide range of different fields. What they all share is the same integrated approach to consulting – and the same goal: to join forces with you to achieve the best possible results for you. We love new challenges. But we don’t do things by half measures. When we do something, we do it right. And we enjoy doing it.
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Looking for a point of contact for a specific issue or specialist field? Feel free to use our search function. If you want to search for a specific name, the alphabetic team overview can take you straight to what you are looking for. This section lists contact information as well as areas of expertise and practice areas.
All of us look forward to getting to know you – and to working with you to find just the right solution for your individual needs.
Carina Andree
Tax Consultant
Focus of services:
- International taxation
- Domestic and international corporate taxation
- Expert opinion on taxation issues
- Accompaniment of tax field audits
Professional career:
- Tax consultant at ADKL (since 2023)
- Appointment as tax consultant (2022)
- Inhouse Tax specialist (2021-2023)
- Tax assistant at Deloitte in the Business Tax department (2012-2021)
Axel Augustin
public auditor, tax advisor
Specific industry knowledge
- Banks
- Public enterprises
- Aviation
- Business-related services
Focus of services
- Company valuation
- Internal audit
- Accounting projects, for instance IFRS conversions
Professional career
- Senior Manager Financial Services EY (2018-2020)
- Head of finance department WGZ BANK AG / DZ BANK AG, Düsseldorf (2006-2017)
- Appointment as public auditor (2001)
- Appointment as tax consultant (1998)
- PWC Düsseldorf (1994-2006)
- Studies: Economics, Bonn /Helsinki, Finland
Tim Blome
public auditor, tax advisor
Specific industry knowledge
- Automotive
- Plant engineering
- Trade
- IT service provider
Focus of services
- Preparation/verification of survival prognoses according to IDW S11
- Due diligence and support of corporate transactions (M&A)
- Creation of remediation concepts according to IDW S6
- Auditing in special situations, especially transformation processes
Professional career
- Partner at ADKL (since 2022)
- Auditor, tax consultant with ADKL (since 2019)
- Buth & Hermanns (2015 – 2019)
- Ernst & Young (2007 – 2015)
Andreas Boch
tax advisor
Specific industry knowledge
- Steel and metal industry
- Wood-based panels industry
- Real estate
- Service sector / consulting professions
Focus of services
- Consulting for national and international groups of companies
- Restructuring of groups and companies (also cross-border)
- Accompaniment of company acquisitions and sales
- Inheritance tax planning
- Criminal tax law
Professional career
- Partner at ADKL (since 2008)
- Appointment as tax consultant (2001)
- Authorized signatory at KPMG; Tax & Legal / Financial Management
- Studies: University of Applied Sciences for Finance, Nordkirchen
Philipp Bracht
public auditor, tax advisor
Specific industry knowledge
- Automotive
- Aluminium
- Wholesale and foreign trade
- Chemistry
- Public enterprises
- Insurance
Focus of services
- Audits of annual and consolidated financial statements HGB/IFRS
- M&A (Financial Due Diligence)
- Business management consulting
- Refurbishment/restructuring
- Specialist lecturer for extra-occupational training at the IDW
- Internal audit
Professional career
- Partner at ADKL (since 2023)
- Auditor at ADKL (since 2015)
- Auditor, tax consultant at Buth & Hermanns (2011-2015)
- Appointment as auditor (2011)
- Appointment as tax consultant (2005)
- PWC Düsseldorf (2000-2011)
- Studies: Business administration, FHDW Bergisch Gladbach (1997-2000)
Alexander Brimmers
tax advisor
Specific industry knowledge
- Technology industry
- Service sector
Focus of services
- Advice on national and international corporate tax law
- Accompanying tax audits
- Expert opinion on tax issues
- Tax Control Frameworks
Professional career
- Tax Advisor at ADKL (since 2022)
- Deloitte GmbH (2021 – 2022)
- Appointment as tax advisor (2021)
- Grant Thornton AG (2017 – 2021)
- Master Taxation, University of applied sciences Düsseldorf
Berthold Decker
public auditor, tax advisor
Specific industry knowledge
- Agriculture and Forestry
- Freelance income, especially healthcare professions
- Metalworking
- Real estate management, real estate, property
Focus of services
- Annual audit
- Tax planning advice
- Inheritance tax and succession planning
- Company succession and legal form
Professional career
- Appointment as public auditor (1982)
- Appointment as tax advisor (1981)
- Studies: economics, Saarbrücken; Degree (1974)
Dr. Dominik Decker
tax advisor
Specific industry knowledge
- Agriculture and Forestry
- Medium-sized businesses
- Medical practices
Focus of services
- Tax advice for medium-sized companies and entrepreneurs
- Creation of annual accounts
- Business analysis and planning; Creation of profitability and liquidity plans
- Succession advice
- Digital financial accounting
Professional career
- Partner at ADKL (since 2017)
- Tax advisor at ADKL (since 2014)
- Appointment as tax advisor (2014)
- Tax advisor at Dr. Harzem and partners (2012-2014)
- Doctorate: Rheinische Friedrich-Wilhelm Universität Bonn – Research Associate (2007-2012)
- Studies: Business Administration, University of Passau (2001-2006)
Elena Duscha
tax advisor
Specific industry knowledge
- IT sector
- Service sector
- Energy industry
Focus of services
- Corporate taxation
- Taxation of individuals
- Accompanying external audits
- Creation of annual accounts
- Accompanying digital accounting
Professional career
- Appointment tax advisor (2014)
- Tax specialist (since 2010)
- Tax Assistant (since 2003)
Thomas Eggierth
tax advisor
Specific industry knowledge
- Information services
- Trading enterprises
Focus of services
- Corporate taxation
- Taxation of individuals
- Group tax law
- Value added tax
- Supervision of digital accounting
Professional career
- Partner at ADKL (since 2022)
- Tax advisor at ADKL (since 2015)
- Appointment as tax advisor (2015)
- Tax assistance at ADKL along with predecessor companies (2011-2015)
- Studies: Business Administration, Heinrich-Heine-University Düsseldorf (2005-2011)
Michael Gieretz
tax advisor
Specific industry knowledge
- Company taxation
- Preparation of annual financial statements
- Transfer pricing
- Consulting for national and international companies
- Taxation of private individuals
- Audit of annual financial statements (individual and consolidated)
Professional career
- Tax advisor at ADKL (since 2013)
- Appointment as tax advisor (2013)
- Audit assistant at ADKL (2010-2013)
- Studies: Economics (2005-2010)
Lisa Hägele
tax advisor
Focus of services
- Taxation of Companies
- Taxation of Private individuals
- Year-end reporting
- Consulting of national and international companies
- Asset and company sucession
- Transfer pricing
Professional career
- Tax Consultant at ADKL (since 2022)
- Tax Consultant (since 2022)
- Tax assistant at ADKL(since 2013)
- Tax assistant (since 2013)
- Master of Arts: Albert-Ludwigs-University Freiburg, Taxation
Christin Hengstermann
public auditor, tax advisor
Specific industry knowledge
- Construction industry
- Rehabilitation facility
- Logistics
- Manufacturing
Focus of services
- Audit of annual financial statements (individual and consolidated financial statements)
- Tests according to the broker and property developer regulation
- Special audits (forensic audits)
- Financial statements disclosures
Professional career
- Appointment as public auditor (2013)
- Appointment as tax advisor (2010)
- Studies: Business Education, University of Duisburg-Essen (2002-2007)
Judith Heske
tax advisor
Special industry knowledge
- Real Estate Investments
- Financial services
- Advertising industry
- Construction industry
Focus of services
- Advising national and international groups of companies
- Support in restructuring and transactions
- International tax law
- Support during tax audits
Professional career
- Partner at ADKL (since 2023)
- Tax advisor at ADKL (since 2018)
- Appointment as tax advisor (2017)
- KPMG AG Düsseldorf (2011-2017)
- Studies: Business Administration, University of Duisburg-Essen (2007-2011)
Gabriela Jasse
tax advisor, expert in insolvency tax law
Specific industry knowledge
- Tax processing of insolvency proceedings in all industries
Focus of services
- Bankruptcy tax law
- Corporate taxation
Professional career
- Partner at ADKL (since 2023)
- Tax consultant at ADKL Consulting GbR (since 2015)
- Specialization in insolvency tax law (since 1999)
- Activities in national law and tax firms (1995-2014)
- Appointment as tax consultant (2008)
- Studies: Economics, FH Niederrhein (2002-2006)
- Training as tax clerk and tax specialist
Thomas R. Jorde
public auditor, lawyer, tax advisor, specialist lawyer for tax law
Specific industry knowledge
- Automotive
- Measuring technology
- Cable producers
Memberships
- Chairman of the “Business Succession” working group at the Institute of Public Auditors in Germany (IDW)
- Member of the “Family Business” working group at the Institute of Public Auditors in Germany (IDW)
Focus of services
- Structuring and advising medium-sized and international companies and assets
- Foundation and trust advice
- Succession planning
- Accompanying corporate transactions
- Arbitration
Professional career
- Public auditor, lawyer, tax advisor, partner / board member at ADKL (since 2017)
- Warth & Klein Grant Thornton (2010-2017)
- BDO AG (1997-2010)
- Dr. Schulze zur Wiesch (1992-1997)
Werner Kuhfuß
public auditor, tax advisor
Focus of services
- M&A / due diligence
- Corporate succession
- Change of legal form / design advice
- Business advice
- Advising international groups of companies (inbound / outbound investments)
Professional career
- Board member of ADKL AG (since 2005)
- Board of MSI Global Alliance, London (1991-2019)
- Partner of ADKL Abels Decker Kuhfuß Partner mbB (1987-2019)
- Appointment as public auditor (1986)
- Appointment as tax advisor (1983)
- Studies: economics, Cologne; Degree (1978)
Dr. Henrik Krapp
tax advisor
Specific industry knowledge
- Health professions
- Real estate
- Agriculture and Forestry
Publications
- Co-author of the 360 ° eComment on the EStG, Stollfuß Medien
Focus of services
- Tax declaration and defense advice
- Succession planning
- Economic and structural advice for medium-sized companies
- Digital financial accounting
Professional career
- Partner at ADKL (since 2018)
- Appointment as tax advisor (2014); Agricultural Book Office (2015)
- Medium-sized tax consultancy, most recently 2 years as branch manager (2011-2017)
- Research Associate at the University of Bonn and PhD (2008-2011)
Studied agricultural economics, University of Bonn and Management & Economics, University of Wageningen, Netherlands (2003-2008)
Ulrich Kühnen
public auditor, tax advisor, expert for business valuation (IHK Dusseldorf)
Specific industry knowledge
- Financial services
- IT sector
Focus of services
- Company valuation
- Examination of severance payments for structural measures under company law
- Determination of severance payments in family and company law matters
Professional career
- Partner at ADKL (since 2023)
- Auditor at ADKL (since 2016)
- Accounting firm in Cologne (2013-2016)
- Predecessor company of ADKL in Düsseldorf (2007-2013)
- Deloitte & Touche in Düsseldorf (1998-2007)
- University of Cologne and Erasmus Universiteit Rotterdam, Diplomkaufmann (1998)
- Bank clerk Deutsche Bank in Duisburg (1992)
Dr. Katharina Linnemann
tax advisor
Focus of services
- Domestic and international corporate taxation
- Restructuring of corporate groups
- Expert opinions on taxation issues
- Support during tax audits
Professional career
- Tax advisor at ADKL (since 2024)
- Appointment as tax advisor (2023)
- Tax advisor/assistant at KPMG (2021-2024)
- Academic assistant and PhD student at University of Münster (2016-2020)
- M.Sc. and B.Sc. at University of Münster (2011-2016)
Rainer Lemm
tax advisor
Focus of services
- Preparation of annual accounts
- Tax advice for companies of all legal forms / private individuals
- Start-up advice
Professional career
- Partner at ADKL (since 1996)
- Appointment as tax advisor (1995)
- Team member at ADKL (since 1983)
Marco Nelleßen
tax advisor
Specific industry knowledge
- Information Technology
- Pharmaceutical industry
Focus of services
- Corporate taxation
- Taxation of individuals
- Preparation of annual financial statements and tax returns for natural persons, partnerships and corporations
Professional career
- Tax advisor at ADKL (since 2021)
- Appointment as tax advisor (2020)
- Warth & Klein Grant Thornton AG (2016-2021)
- Studies: Taxation & Auditing, Hochschule Niederrhein (2012-2016)
Tobias Polka
public auditor, tax advisor
Specific industry knowledge
- Trade (electrical and metal industry)
- Production (chemical, pharmaceutical, electrical, telecommunications, project companies, automotive)
- Family Office & Asset Management
- Hotel industry and hospitality
Focus of services
- Transfer pricing and advice on international corporate structures
- Annual and consolidated financial statements audit
- Business consulting, especially due diligence, corporate succession
- IT audits / introduction of ERP systems
- Compliance management systems / GoBD / e-balance sheet
Professional Career
- Board member of MSI Global Alliance, London (since 2018)
- Partner / board member at ADKL (since 2017)
- Auditor, tax advisor at ADKL (since 2015)
- Appointment as public auditor (2014)
- Appointment as tax advisor (2010)
- Warth & Klein Grant Thornton AG (2006-2015)
- Studies: Economics, University of Duisburg-Essen, MSM, Dipl.-Kfm. (2002-2007)
Tina Risse
tax advisor
Focus of services
- Corporate taxation, especially partnerships
- Succession planning
- Quality management
- Annual audits
- Process management
Professional Career
- Tax advisor at ADKL (since 2008)
- Riebschläger & Partner, Düsseldorf (1996-2007)
- Appointed tax advisor (2007)
- Studies: Business Administration, Düsseldorf University of Applied Sciences (1999-2003)
- Training as a tax clerk (1996-1998)
Timo Röhl
tax advisor
Specific industry knowledge
- Cryptocurrencies
- Wood material industry
- Real Estate
- Steel and metal industry
Focus of services
- Advice on national and international (corporate) tax law
- Advice on employee assignments / income tax
- Accompanying company audits
- Expert opinion on tax issues
Professional career
- Partner at ADKL (since 2022)
- Tax advisor at ADKL (since 2018)
- Big Four, Düsseldorf (2010-2017)
- Appointment as tax advisor (2017)
- Master of Law: University of Cologne, corporate tax law (2016)
- Tax clerk (2013)
Irja Simon
Tax Consultant
Focus of services
- Tax advice for national and international corporations and groups of companies
- Preparation of income tax returns for corporations and partnerships
- Support during tax audits
Professional career
- Tax consultant at ADLK (since 2024)
- Tax consultant at Deloitte (2017 – 2024)
- Tax consultant at Ernst & Young (2016 – 2017)
- Tax consultant at Deloitte (2009 – 2015)
- Appointment as tax consultant (2008)
- Warth & Klein Grant Thornton AG (2003 – 2008)
- Studies: Economics, University of Paderborn (1996 – 2002)
Marc Sarburg
public auditor, lawyer, tax advisor, specialist lawyer for tax law
Specific industry knowledge
- Automotive
- Packaging industry
- Information technology
- E-sports
Publications
- Foreign family foundations in tax administration practice, German tax law 41/2019, page 2111-2115
- Continuation of business in the light of the obligations of the financial statements provider, WpG 2017, pages 1179-1188
- Inheritance tax option for unlimited tax liability is contrary to EU law, Die Wirtschaftsprüfung 2016 page 1256-1264
- Effects of the Hünnebeck decision on optional regulations of German (inheritance) tax law, German tax law 2016 page 2777-2782
Focus of services
- Support in disputed tax law matters (administration, FG, BFH, CJEU)
- Multidisciplinary advice to business leaders
- Advice to family companies also in executing wills
Professional Career
- Board member of MSI Global Alliance (since 2019)
- Speaker for the IDW Academy – further training of auditors (since 2017)
- Lecturer in tax law, German Academy for Tax, Law & Economy – Abels Kallwas Stitz, Cologne (since 2016)
- Appointment as auditor (2013)
- Partner at ADKL (since 2015) along with predecessor companies (since 2008)
- Appointment as tax advisor (2006)
- Prast & Kollegen, Wesel
- 4 years Big Four, Düsseldorf
- Studies: Law, Cologne (Lawyer since 2002)
Memberships
- Member of the “Trendwatch” committee at the Institute of Auditors
- Member of the Board of Directors of the Association of Taxpayers North Rhine-Westphalia e.V.
Edda Steiger
Tax Consultant
Focus of services:
- Taxation of individuals
- Company taxation
- Taxation of annual accounts
Professional career:
- Tax consultant at ADKL (since 2021)
- Appointment as tax consultant (2020)
- Studies of Business Administration at the University of Hamburg (Diploma 1991)
- Dual studies at Hamburg University of Applied Sciences for Finance (Diploma 1985)
Klaus Verstegen
public auditor, tax advisor
Specific industry knowledge
- Construction industry
- Rehabilitation clinics
- Logistics
- Trade
- Manufacturing
Focus of services
- Annual audits (individual and consolidated financial statements)
- Company valuations, due diligence
- Special exams
- Forensic exams
- Business reports
Professional career
- Board member of ADKL AG, Wirtschaftsprüfungsgesellschaft (since 2015)
- Partner at ADKL along with predecessor companies (since 2001)
- Rölfs Partner AG, Düsseldorf (1999-2000)
- KPMG, Düsseldorf (1992-1999)
- Studies: Westfälische Wilhelms-Universität Münster; Diplom-Kaufmann (since 1992)
Peter Volprecht
public auditor, tax advisor
Specific industry knowledge
- Plastics processing industry
- Wholesale (electrical / computer)
- Medical technology
- Telecommunications including project business and construction-related services
Focus of services
- Annual Financial Statements HGB
- Audit of the consolidated financial statements HGB
- Business advice
- Expert assessments
Professional career
- Partner / board member at ADKL (since 2017)
- Auditor, tax advisor at ADKL (since 2015)
- Appointment as public auditor (2009)
- Appointment as tax advisor (2003)
- Warth & Klein Grant Thornton AG (1999-2015)
- Studies: Business Administration, University of Cologne (1992-1999)
- Training as an industrial clerk at Bilfinger & Berger Bau AG (1989-1992)
Wolfram Wagner
public auditor, tax advisor
Specific industry knowledge
- Insurances
- Banks
- Rehabilitation clinics
- Aviation
- Business-related services
Focus of services
- Company valuation
- Checking the adequacy of severance payments for structural measures under company law
- Internal revision
- Fiduciary activity
Professional career
- Responsible for the areas of corporate finance / company valuation, trust work (since 2004)
- Accompanying almost 100 corporate structural measures of companies / groups with values in the billions
- Partner / board member at ADKL (since 2015) along with predecessor companies (since 2005)
- Annual audits at PwC, Düsseldorf / Paris
- Studies: Business Administration, Cologne / Clermont-Ferrand, France
Daniela Welling
tax advisor
Focus of services
- Corporate taxation
- Taxation of individuals
- Expert opinion on tax issues
- Bankruptcy tax law
- Preparation of annual accounts
- Supervision of tax audits
Professional career
- Tax advisor at ADKL (since 2014)
- Tax advisor at Dr. Ganteführer, Marquardt & Partner GbR, Düsseldorf (2012-2014)
- Appointed as tax advisor (2012)
- Tax consultant at WP / StB Heinz-Bernd Hanten, Düsseldorf (2009-2012)
- Tax consultant at ECOVIS KSO, Düsseldorf (2004-2009)
- Studies: Business Administration, FH Gelsenkirchen-Buer; Diplom-Betriebswirtin (FH)
Mike Wohlgemuth
tax advisor
Specific industry knowledge
- Real Estate
- Online trading
Focus of services
- Company taxation
- Preparation of annual financial statements
- Advice to national and international companies
Professional career
- Tax advisor at ADKL (since 2021)
- Appointment as tax advisor (2020)
- Tax specialist (since 2007)
- Assistant tax consultant (since 2003)
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