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.
Search and find
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.
Justus Abeln
Lawyer
Professional career
- Attorney at ADKL
- Activity as an insurance lawyer
- Legal clerkship (2018-2021)
- Studies in Halle and Münster (2011-2017)
Justus Abeln
Lawyer
Dr. Peter Abels
lawyer
Focus of services
- International Relations
- Company Law
- Coaching
Professional career
- Board member of MSI Global Alliance, London
- Managing Partner of the German Academy for Taxes, Law and Economics, Cologne
- Admission as a lawyer (1980)
Dr. Peter Abels
lawyer
Philipp Dietz
lawyer, authorised translator
Focus of services
- Labor Law
- Corporate Law
- Insurance Law
Professional career
- Partner at ADKL (since May 2020)
- Lawyer in medium-sized commercial law firms
- Lawyer since 2013
- Legal Internship (2011-2013)
- Work in a medium-sized auditing firm (2008-2010)
- Studies and legal clerkship with focus on tax law
- Translator (since 2004)
- Daimler Chrysler and Mercedes Benz Mexico (2000-2003)
Philipp Dietz
lawyer, authorised translator
Heike Fiss
Lawyer, Specialist Lawyer for employment law, Specialist Lawyer for medical law
Professional career
- Attorney at ADKL
- Activity as an insurance lawyer
- Legal clerkship (2018-2021)
- Studies in Halle and Münster (2011-2017)
Heike Fiss
Lawyer, Specialist Lawyer for employment law, Specialist Lawyer for medical law
Heike Fiss
lawyer
Focus of services
- labour law
- contract law
- company law
- medical law
Professional career
- Lawyer at ADKL (since Jan. 2024)
- Bregenhorn-Wendland & Partner
- PETERS Attorneys at Law
- Diekmeyer Wagenknecht Nordmeyer (Bielefeld)
Heike Fiss
lawyer
Martin Giepen
lawyer
Focus of services
- Healthcare
- Bankruptcy law
- Employment Law
- Corporate law
Professional career
- Partner at ADKL (since April 2019)
- Görg Rechtsanwälte
- Hammes Insolvenzverwalter
- Metzler, von der Fecht
- Klaas & Kollegen
- Several years in his own law firm in Brühl
- First registration in 2001
Martin Giepen
lawyer
Reinhard Hahn
lawyer
Focus of services
- Family law
Professional career
- Independent lawyer (since 1979)
- Studies: Law, University of Cologne
Reinhard Hahn
lawyer
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)
Thomas R. Jorde
public auditor, lawyer, tax advisor, specialist lawyer for tax law
Martin Junior
Lawyer
Focus of services:
- Insolvency administration
Professional career:
- Attorney at law with ADKL (since 2023)
- Attorney at law with Piepenburg Rechtsanwälte (2012-2023)
- Law studies in Trier
Martin Junior
Lawyer
Dr. Peter C. Minuth
lawyer
References
- Pfleiderer Infrastrukturtechnik GmbH & Co KG
- PIN Group AG S.A.
- teNeues Media GmbH & Co. KG
- Belmark GmbH & Co KG
- WUMAG GmbH & Co KG
- CS Beteiligungs GmbH
- Holger Sawetzki
Responsible cooperation:
- Babcock Borsig AG
- Ihr Platz GmbH & Co KG
- Fried. Gustav Theis Kaltwalzwerke GmbH
Career
- Insolvency administrator at ADKL (from 2023)
- Insolvency administrator at Piepenburg (2000-2022)
- Studies of law/economics (DE/USA)
- Mountain Infantryman of the German Armed Forces; Reserve Officer
Dr. Peter C. Minuth
lawyer
Wolfgang Piroth
lawyer
References
- Tautges & Friends Personaldienstleistungen GmbH
- Caritas Pflegedienste GmbH
- Maschinenfabrik HESE GmbH
- Großschlachterei Freyer GmbH & Co. KG
- GoGas Goch GmbH & Co. KG
- Reitsport GmbH
Responsible cooperation:
- MG Rover Deutschland GmbH
- Kettler GmbH
- Solarworld AG
Career
- Insolvency administrator at ADKL (from 2023)
- Insolvency administrator at Piepenburg (2004-2022)
- Law studies in Cologne
Wolfgang Piroth
lawyer
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.
Marc Sarburg
public auditor, lawyer, tax advisor, specialist lawyer for tax law
Alexander Wilsing
lawyer, specialist lawyer for labour law
Focus of services
- Employment Law
- Tenancy law
- Social security law
Professional career
- Specialist lawyer for labor law (since 2005)
- Attorney at ADKL (since 1996)
- Legal clerkship: Düsseldorf Higher Regional Court
- Studies: Law, Cologne
Alexander Wilsing
lawyer, specialist lawyer for labour law
Wiljo Wimmer
lawyer
Special industry knowledge
- Local government processes
- municipal supervisory law in the transport and energy supply sectors
- Supervisory law for credit institutions
Focus of services
- Criminal Law
- Inheritance Law
- Administrative Offences Law
- Traffic Law
- Tort Law
Professional career
- Member of the Supervisory Board of VR Bank eG Monheim, currently Deputy Chairman of the Supervisory Board (since 2014)
- Supervisory Board mandates in the transport and energy sector in the years (2004 – 2014)
- Specialist lawyer for criminal law (since 1998)
- Associate/Partner with ADKL mbB (since 1993)
- Freelance lawyer (since 1990)
- Legal clerkship OLG Düsseldorf (1986 – 1990)
- Studies: law at the University of Cologne (1981 – 1986)
Wiljo Wimmer
lawyer
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