Thomas Hergenhahn

Angestellt, Partner, Teilen Solutions

London, United Kingdom

About me

Thomas helps clients to solve their most challenging issues with the integration of complex risk, regulatory and finance systems across all topics of the capital requirement for financial firms. Most recently, he has supported programs to improve the integration of credit risk systems with regulatory requirements and accounting standards. * Advising firms to select the best risk and regulatory solutions according to their business model and risk appetite. * Enhancing the performance of ECL stress testing calculations of IFRS 9 models with new technology. * Increasing granularity and coverage of any approach to capital requirements according to the latest BASEL rules. * Complying with BCBS 239 on risk data aggregation and reporting. His mission is to provide real value, competitive advantage and solutions which can be used by his clients. Before joining HKB Risk Consulting he worked for various consultancy companies, solution providers and financial firms in the UK and in Europe.


International contacts
Risk IT Management
Bank Regulation
Financial Instruments
Data Warehousing
Data Warehouse
ETL-Technologie in SAP und NON-SAP Systeme
Business Objects
Data Warehouse Consulting in Banking
Projekt support for Data Warehouse launches in Ban
Konzeption und Durchführung von Schulungen
Erstellung von Anwenderdokumentation
Support / Helpdesk
data mapping
Data modeling


Professional experience for Thomas Hergenhahn

  • Current 9 months, since Oct 2023


    Teilen Solutions

  • 3 years and 3 months, Jul 2020 - Sep 2023


    HKB Risk Consulting LTD

    Thomas leads the HKB’s risk and reg solution architecture practice in London. He helps financial institutions to integrate the best solution for their business model by responding with the latest regulations and technical trends.

  • 8 months, Jul 2018 - Feb 2019

    Senior Consultant

    Nordea Bank AB

    Thomas was a Senior Consultant and worked on the LSP2 (Legal Structure Program) in Regulatory and Risk Reporting. He created business case, implementation plan, target architecture, data and business requirements. Further he managed UAT testing and Dry Run of FINREP IFRS9 reporting.

  • 4 months, Feb 2018 - May 2018

    Senior Consultant

    McKinsey & Company

    Conducted a Targeted Review of Internal Models (TRIM) Inspection on behalf of the ECB to enhance the credibility and confirmed the adequacy of approved Pillar 1 IRB for calculating own funds. Focused on the reduction of unwarranted variability in RWA, testing and audited the Data quality process according to CRR, CRD-IV, RTS and BCBS 239.

  • 1 year, Feb 2017 - Jan 2018

    Senior Consultant


    Project INDY - Integration of the regulatory reporting solution of the new merged Bank in Estonia, Latvia and Lithuania.

  • 8 months, May 2016 - Dec 2016

    Lead Business Analyst


    Thomas worked on the Värdepappersinnehav (VINN) project concerning statistics on holdings of fixed income securities, equites, REPOS, short positions, structured products and securities in custody with a data warehouse reporting solution.

  • 1 year and 7 months, Apr 2014 - Oct 2015


    Bank of America Merrill Lynch

    Analysis on the risk calculation engines and regulatory reporting systems of RegGAE and OneSumX (Summix, REGPRO) to ensure that Irish and UK branch comply with CRD-IV and Statistical notes of Bank of England.

  • 1 year and 10 months, Jul 2012 - Apr 2014

    Domain Expert

    Wolters Kluwer Financial Services & FRS Global

    Business Analysis of Credit Risk Regulatory Risk for Basel-III. Responsible for ensuring compliance according to CRR/ CRD4.

  • 2 years and 5 months, Feb 2010 - Jun 2012

    Project Manager and Senior Business Analyst

    Lloyds Banking Group

    Thomas was a Project Manager and Senior Business Analyst for the Liquidity Risk Reporting Project Jala in Wholesale Market & Treasury Trading. He worked on the full project life cycle of the new liquidity risk reporting engine.

  • 4 months, Oct 2009 - Jan 2010

    Senior Business Analyst in Liquidity Risk & Compliance

    Nationwide UK, Ireland and International

    Thomas worked on the analysis of the Cash Flow Forecasting and Stress Testing. He documented and enhanced the business from a qualitative stress test model to a quantitative model (logistic regression). He advised the firm to get compliant with new FSA requirements of PS 09/16 “Strengthening liquidity standards” and CP 08/22.

  • 2 months, Jun 2009 - Jul 2009

    Senior Business Analyst

    Callataÿ & Wouters

    He analysed the Balance sheet statistics, interest rate statistics, security deposit statistics, payment statistics, risk reporting BASEL-II (Credit Risk & Market Risk) and Liquidity Reporting. He advised the client how to get a new bank license for a new foreign branch and how to become compliant to the regulatory reporting of the foreign and local authorities.

  • 1 year and 7 months, Nov 2007 - May 2009

    International Business Analyst

    FRS Global

    Thomas advised clients (Clearstream, Commerzbank, Credit Agricole, Dresdner Bank, Deutsche Bank, Elavon and HSH Nordbank) how to customise and source the reporting risk engine FIRE for BASEL-II reports (COREP) and IFRS (FINREP). He worked as an International Business Analyst on full project life cycles and supported releases of FIRE in different countries.

  • 1 year, Jun 2006 - May 2007

    Contractor, Business Analyst

    Kaupthing Singer & Friedlander

    Thomas gathered the BASEL-II business requirements and created the data model of the risk engine. He wrote the functional specification and compared gaps with BIPRU. He ran SIT of a .NET developed risk engine and managed UAT testing of the front-end application. Thomas Created test cases and plans with a Test Matrix for Standardised and IRB Approach.

  • 6 months, Nov 2005 - Apr 2006

    Contractor, Business IT Analyst

    UBS AG

    Thomas supported the whole project lifecycle of the Data Warehouse system GEAR. He gathered the business requirements, estimated the workload, presented the changes to the business, wrote functional specifications, discussed the changes with the development team, prepared and performed test cases.

  • 6 months, May 2005 - Oct 2005


    GL Trade AG

    Thomas analysed the BASEL-II requirements on the client side. He specified the inbound and outbound feeds of the Credit Risk Engine Fermat. He created data models and designed a DW solution for all Financial Instruments (Swaps, Forward interest rates, Futures, Options and Credit Derivatives)

  • 6 months, Nov 2004 - Apr 2005


  • 3 years and 10 months, Jan 2001 - Oct 2004


    KPMG Consulting

  • 1 year and 1 month, Oct 1999 - Oct 2000


    Bosch UK

Educational background for Thomas Hergenhahn

  • City University London

  • University of Central Lancashire, FH Friedberg


  • German


  • English




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