Frank Niehage has vast experience across all segments of retail and commercial banking, working as Managing Director at Goldman Sachs until August 2014 when he joined flatexDEGIRO. In previous positions, he was instrumental in the growth of Bank Sarasin AG as CEO in Germany.

Prior to this he had served in various senior positions at Commerzbank, Credit Suisse, UBS and international law firm Beiten Burkhardt, both in Germany and internationally, especially in Asia.

Frank is an attorney at law in Germany and has received his Master of Laws majoring in international economics from the University of Houston Law Center.

After completing his studies in mathematics, physics and computer science, Martin Korbmacher began his career in 1991 at JP Morgan, where he was Head of Trading, before moving to Dresdner Kleinwort Wasserstein in 1997 as Global Head of Fixed Income Trading, where he became Global Head of Equities in 2000.

In 2005, Martin Korbmacher took over as Head of the Investment Banking Division of Credit Suisse Securities (Europe) Limited for Germany and Austria and played a key role in the successful expansion of these activities.

In 2011, he founded Event Horizon Capital & Advisory GmbH und has since then advised several companies in the areas of corporate finance, takeovers and innovation. Martin Korbmacher has also been Managing Director of arsago ACM GmbH since 2014 and Managing Director of its wholly owned subsidiary, arsago Ventures GmbH, since 2022.

Martin Korbmacher is Chairman of the Supervisory Board of flatexDEGIRO AG since 2014 and also of flatexDEGIRO Bank AG since 2017.

Personal data
Year of birth: 1965
Resident in: Frankfurt/Main
Nationality: German
Independence: (+)

Member of the Supervisory Board of flatexDEGIRO AG (Chairman)
First Appointment: October 30, 2014
Currently elected until: Annual General Meeting 2025
Committees of the Supervisory Board: Nomination Committee (Chairman), Remuneration Control Committee (Chairman), Joint Risk and Audit Committee

Current activity

• Event Horizon Capital & Advisory GmbH – Managing Director (since 2011)
• arsago ACM GmbH – Managing Director (since 2014)
• arsago Ventures GmbH – Managing Director (since 2022)

Professional background

• 2005–2011 Credit Suisse Securities (Europe) Limited, Frankfurt/Main, Branch Manager / Head of Investment Banking Division Germany and Austria / Managing Director
• 1997–2004 Dresdner Kleinwort Wasserstein, Frankfurt/Main, London, Member of the Executive Committee, Global Head of Equities, Global Head of Fixed Income Trading
• 1991–1996 JP Morgan, Frankfurt/Main, Head of Fixed Income Trading

Professional training

• 1984–1991 Studies of mathematics, physics und computer science in Bielefeld, graduation as mathematician
  (Diplom Mathematiker)

Current Group Mandates

• Chairman of the Supervisory Board of flatexDEGIRO AG, Frankfurt/Main (listed on the regulated market)
• Chairman of the Supervisory Board of flatexDEGIRO Bank AG, Frankfurt/Main, since 2017 (not listed)

Further Mandates in statutory Supervisory Boards
None

Membership in comparable domestic and foreign supervisory bodies of commercial enterprises
None

Download CV Martin Korbmacher
(PDF / 90 KB) ↓

Stefan Müller started his banking career in 1985 at Bayerische Hypo- und Vereinsbank (today: UniCredit Bank AG operating under its HVB/HypovereinsBank brand) and passed through various functions, including, inter alia, the securities and private banking business.

In 2002, he joined the former flatex Holding AG and became Member of the Management Board until 2014.

Today he is Head of Finance and General Representative of Börsenmedien AG, one of the leading financial media companies in Germany. Furthermore, he is General Representative of BF Holding GmbH, General Representative of GfBk Gesellschaft für Börsenkommu¬nikation mbH and Managing Director of Panthera AM GmbH.

Stefan is Deputy Chairman of the Supervisory Board of flatexDEGIRO AG and a Member of the Supervisory Board of flatexDEGIRO Bank AG.

Personal data
Year of birth: 1969
Resident in: Küps
Nationality: German
Independence: (+)

Member of the Supervisory Board of flatexDEGIRO AG (Deputy Chairman)
First Appointment: February 23, 2017 (judicial), initially elected on July 15, 2017
Currently elected until: Annual General Meeting 2025
Committees of the Supervisory Board: Nomination Committee

Current activity

• Börsenmedien AG, Kulmbach – Head of Finance, General Representative
• BF Holding GmbH, Kulmbach – General Representative
• GfBk Gesellschaft für Börsenkommunikation mbH, Kulmbach – General Representative
• Panthera AM GmbH, Kulmbach – Managing Director

Professional background

• since 2016 Börsenmedien AG, Kulmbach – General Representative
• 2002–2016 flatexDEGIRO AG, Frankfurt/Main,
  (former United Capital Management AG, flatex AG, flatex Holding AG, FinTech Group AG) – Member of the Management Board, Authorised Signatory, General Representative
• 1985–2002 Bayerische Hypo- und Vereinsbank AG, München – various positions

Professional training

• 1996–1997 Management studies at Bankakademie, Nuremberg
• 1994–1995 Banking economist studies in Bayreuth
• 1991–1993 Banking specialist studies in Bayreuth

Current Group mandates

• Deputy Chairman of the Supervisory Board of flatexDEGIRO AG, Frankfurt/Main (listed on the regulated market)
• Member of the Supervisory Board of flatexDEGIRO Bank AG, Frankfurt/Main, since 2015 (not listed)

Further Mandates in statutory Supervisory Boards:

• Chairman of the Supervisory Board of Heliad AG, Frankfurt/Main, since 2023 (traded on the open market)

Membership in comparable domestic and foreign supervisory bodies of commercial enterprises:
None

Download CV Stefan Müller
(PDF / 100KB) ↓

After two apprenticeships and a degree in economics at the University of Gießen, Ms Lehfeldt first worked in her parents' business before starting her career at Deutsche Bank AG. She started in the Finance division and after about two years moved to the Private Clients division, where she supported the project to spin off Deutsche Bank 24 AG. In her career at Deutsche Bank (Deutsche Bank 24 AG, DB Privat- und Geschäftskunden AG, DB Privat- und Firmenkunden AG), Britta Lehfeldt passed through several stations as employee, team leader, division manager, managing director of several subsidiaries and finally as board member. In terms of content, she was initially in charge of operational units. In her function as a member of the Management Board of DB Privat- und Firmenkundenbank AG, Ms Lehfeldt was responsible for all human resources issues, including relations with the social partners and collective bargaining agreements. In addition, she was responsible for legal affairs, compliance, money laundering and outsourcing and crisis management. In her last station at Deutsche Bank AG, she was responsible for all commercial and procedural matters of the IT business area as COO from January 2020. In mid-2021, Ms Britta Lehfeldt amicably left Deutsche Bank AG after more than 20 years with the Group.

During her career at Deutsche Bank AG, Ms Britta Lehfeldt also held various mandates in supervisory and advisory boards.

Personal data
Year of birth: 1965
Resident in: Frankfurt/Main
Nationality: German
Independence: (+)

Member of the Supervisory Board of flatexDEGIRO AG
First Appointment: June 13, 2023
Currently elected until: Annual General Meeting 2025
Committees of the Supervisory Board: Member of the Joint Risk and Audit Committee

Current activity
Member of the Supervisory Board of flatexDEGIRO AG and
Member of the Supervisory Board of flatexDEGIRO Bank AG

Professional background

• 2020 - 2021 DEUTSCHE BANK AKTIENGESELLSCHAFT - Global Chief Operating Officer of the Technology, Data and Innovation Division
• 2018 (from May) - 2019 DB Privat- und Firmenkundenbank AG - Member of the Management Board, responsible for Human Resources, Legal, AFC/AML, Compliance and Security and Governance Office
• 2018 (Jan - April) Deutsche Bank Privat- und Geschäftskunden Aktiengesellschaft - Member of the Management Board, responsible for IT, Operations, Human Resources and Chief Production Office
• 2017 - 2018 Responsible member of the project management for the merger of Deutsche Bank Privat- und Geschäftskunden Aktiengesellschaft and Postbank to DB Privat- und Firmenkundenbank AG
• 2016 - 2017 DEUTSCHE BANK AKTIENGESELLSCHAFT - Chief Administration Officer PCC (Private and Commercial Clients) and PBC Banking Services GmbH - Member of the Management Board and DB Privat- und Geschäftskunden AG
• 2015 - 2016 DEUTSCHE BANK AKTIENGESELLSCHAFT - Chief Operating Officer and Chief Administration Officer PBC Banking Services and PBC Banking Services GmbH - Member of the Executive Board, responsible for the joint and central management of all units of PBC Banking Services (including the Postbank units) as well as for the global crisis management and vendor risk management of PBC Banking Services
• 2012 - 2015 DEUTSCHE BANK AKTIENGESELLSCHAFT - Chief Production Officer PBC Banking Services, responsible for performance and quality management for all PBC Banking Services units (including all service units of Postbank) as well as for global crisis management and vendor risk management of the PBC Banking Services division.
• 2010 - 2012 DEUTSCHE BANK AKTIENGESELLSCHAFT - Chief Production Officer (promoted to Managing Director in 2011) PBC Services, responsible for Central Process Management, Quality Management and the overall production management of all service units of PBC Services.
• 2008 - 2010 KEBA Gesellschaft für interne Services mbH (a subsidiary of DEUTSCHE BANK AKTIENGESELLSCHAFT) - Member of the Management Board, responsible for Business Management, Process Management and IT Management
• 2005 - 2008 DEUTSCHE BANK AKTIENGESELLSCHAFT - Support for various international projects in the field of retail banking (India, Turkey)
• 1997 - 2005 Deutsche Bank 24 Aktiengesellschaft - various positions in Finance and Retail Banking

Professional training

• 1995 Graduation in economics with a degree in business administration
• 1988 Completion of apprenticeship as industrial clerk
• 1986 Completion of apprenticeship as equestrian

Current Group Mandates

• Member of the Supervisory Board of flatexDEGIRO AG, Frankfurt/Main, since 2023 (listed on the regulated market)
• Member of the Supervisory Board of flatexDEGIRO Bank AG, Frankfurt/Main, since 2023 (not listed)

Further Mandates in statutory Supervisory Boards
None

Membership in comparable domestic and foreign supervisory bodies of commercial enterprises
None

Download CV Britta Lehfeldt
(PDF / 100KB) ↓

After completing her law studies in Hamburg in 1995 and her legal clerkship in Lower Saxony with the second state examination at the end of 1997, Ms Özkan held various management positions at Deutsche Telekom AG from 1998 to 2005.

From 2005 to 2010, she was the branch manager for northern Germany for TNT Post Regioservice GmbH and set up a new unit (TNT-Post Hamburg branch) for the Dutch company in a competitive market.

In the years 2014 to 2020, she was a member of Management Group Germany und Managing Director of PCC Services GmbH der Deutschen Bank (previously trading as: DB Kredit Service GmbH). Previously, Aygül Özkan was Minister for Social Affairs, Women, Family, Health, Construction and Integration in Lower Saxony (2010-2013) and a member of the Lower Saxony state parliament in 2014.

Aygül Özkan is currently Managing Director of Zentraler Immobilien Ausschuss (ZIA) e.V. and represents the leading association of the real estate industry in a wide range of political and business-oriented bodies.

Since 2022, Aygül Ökzan is a Member of the Supervisory Board of flatexDEGIRO AG (listed on the regulated market) as well as a Member of the Supervisory Board of flatexDEGIRO Bank AG (not listed), since 2023 as Deputy Chairwoman of the Supervisory Board of flatexDEGIRO Bank AG.

Ms Özkan also continues to practice as a licensed attorney.

Personal data
Year of birth: 1971
Resident in: Hamburg
Nationality: German
Independence: (+)

Member of the Supervisory Board of flatexDEGIRO AG
First Appointment: May 24, 2022
Currently elected until: Annual General Meeting 2025
Committees of the Supervisory Board: Nomination Committee, Remuneration Control Committee

Current activity
Lawyer and Managing Director Zentraler Immobilien Ausschuss (ZIA) e.V.

Professional background

• since 2020 Managing Director Zentraler Immobilien Ausschuss (ZIA) e.V.
• 2014 – 2020 Deutsche Bank Kredit Service GmbH (from 2016 trading as: PCC Services GmbH der Deutschen Bank) – Managing Director / Member of Management Group Germany
• 2014 Member of the Lower Saxony State Parliament
• 2010 - 2013 Minister for Social Affairs, Women, Family, Health, Construction and Integration in Lower Saxony
• 2008 - 2010 Member of the Hamburg Parliament / Chairwoman of the Economic Committee
• 2005 – 2010 TNT Post Regioservice GmbH, Hamburg branch office – Branch Manager
• 2004 – 2005 Deutsche Telekom AG – Head of Business Customer Sales
• 1998 – 2003 Deutsche Telekom AG – from 1999 Key Account Manager, Regulation/Wholesale Division

Professional training

• 1997 Second state law examination
• 1995 Completion of law studies at the University of Hamburg with the first state law examination

Current Group Mandates

• Member of the Supervisory Board of flatexDEGIRO AG, Frankfurt/Main, since 2022 (listed on the regulated market)
• Deputy Chairwoman of the Supervisory Board of flatexDEGIRO Bank AG (Member since 2022, Deputy Chairwoman since 2023) (not listed)

Further Mandates in statutory Supervisory Boards
None

Membership in comparable domestic and foreign supervisory bodies of commercial enterprises

• Member of the Advisory Board of the private bank Donner & Reuschel Aktiengesellschaft, Hamburg (not listed)
• Member of the Advisory Board of ERIC Group GmbH, Berlin

Personal Commitment

• Member of the Board of Trustees of Konrad Adenauer Foundation
• Member of the Board of Economic Council of CDU, Hamburg Regional Association
• Member of the Board of Trustees of the Lebendige Stadt Foundation
• Member of the Board of Trustees of „Haus Rissen“, Institute for International Politics and Economics
• Member of the Board of the “Hamburger Stiftung für Migranten” Foundation

Download CV Aygül Özkan
(PDF / 100KB) ↓

In 1983 Herbert Seuling completed his studies in business administration at the University of Bamberg and began his professional career in tax consultancy. In 1987 he was appointed as a tax consultant. In 1993 he joined Dr. Mehnert und Seuling Steuerberatungsgesellschaft as managing director and in 1997 he was the founder of C.P.A. Dr. Mehnert & Seuling GbR, which grew to become one of the leading consulting firms in northern Bavaria with more than 100 employees.

For more than two decades he was a member of the board of examiners for tax advisors.

Herbert Seuling has been Managing Director of M & S Monitoring GmbH since 2019.

Since 2016, he has also been involved in various advisory and supervisory functions, including being a Member of the Supervisory Board of flatexDEGIRO AG (since 2016), Chairman of the Audit Committee (since December 2021) and, in each case since August 2022, as Chairman of the Joint Risk and Audit Committee and as a Member of the Remuneration Control Committee of flatexDEGIRO AG.

Personal data
Year of birth: 1958
Resident in: Kulmbach
Nationality: German
Independence: (+)

Member of the Supervisory Board of flatexDEGIRO AG
First Appointment: May 2, 2016
Currently elected until: Annual General Meeting 2025
Committees of the Supervisory Board: Joint Risk and Audit Committee (Chairman), Remuneration Control Committee

Current activity
Managing Director of M & S Monitoring GmbH, Kulmbach (since 2019)

Professional background

• 2007–2017 C.P.A. Wirtschaftsprüfungsgesellschaft mbH – Founder and Managing Partner
• 2010–2017 C.P.A. Dr. Mehnert, Seuling & Collegen GmbH & Co. KG – Founder and Managing Partner
• 1997–2009 C.P.A. Dr. Mehnert & Seuling GbR – Founder and Partner
• 1993–1996 Dr. Mehnert & Seuling Steuerberatungsgesellschaft mbH – Managing Partner
• 1990–1992 Independent tax consultant
• 1988–1990 Dr. Andrä, Heilmann, Seuling GbR – Founder and Partner
• 1983–1987 Dr. Olaf Andrä, certified public accountant/tax consultant – employed tax consultant

Professional training

• 1978 - 1983 Business administration studies in Bamberg, graduation as Diplom-Kaufmann (degree in business administration)

Current Group mandates

• Member of the Supervisory Board of flatexDEGIRO AG, Frankfurt/Main, since 2016 (listed on the regulated market)

Further Mandates in statutory Supervisory Boards

• Deputy Chairman of the Supervisory Board of Heliad AG, Frankfurt/Main (traded on the open market)

Membership in comparable domestic and foreign supervisory bodies of commercial enterprises:
None

Download CV Herbert Seuling
(PDF / 90 KB) ↓