Contact persons and experts
Martin Birkel
Partner
Martin Birkel is a partner in the DPS Group since 2024 and is responsible for Legacy IT and Project Management.
After studying computer science, Mr Birkel worked for a large management consultancy for over 10 years. There he was involved in various roles in large IT projects – including responsibility for the introduction of a core banking system. Between 2004 and 2023, he worked in various management roles at two major banks and was entrusted with the implementation of strategic IT programmes and the management of outsourcing, among other things.
Mr Birkel is an expert in Legacy IT, Outsourcing Management, IT programmes and payment transactions.
Nadine Fink
Partner
Nadine Fink joined the DPS Group in 2018 and is responsible for account management and delivery for a key customer.
After holding various positions in the travel and finance industry, Nadine Fink completed an MBA specialising in Industrial and Project Management. While working for an international IT consultancy, she gained extensive experience in the technical support and management of large-scale payment transaction projects at major European banks.
Sarah-Marie Holzgräfe
Partner
Sarah-Marie Holzgräfe, LL.M. is a partner in the DPS Group and is responsible for the area of compliance and regulation.
After studying law and completing her legal traineeship in Münster, Sarah-Marie Holzgräfe worked as a consultant in the areas of data protection and information security. On the side, she completed a Master’s degree in IT law at Heinrich Heine University in Düsseldorf.
In 2017, she joined DPS and managed regulatory and IT projects in the area of self-service for various major banks.
She has been a partner in the DPS Group since 2023.
Andreas Kleiner
Partner
Andreas Kleiner is Account Manager and Partner of the DPS Group.
After completing his studies in Stuttgart, Andreas Kleiner worked for a private bank for four years, gaining extensive insight and experience in the finance sector and in IT projects.
After joining DPS in 1992, he was initially responsible for individual projects in the payments and securities sectors and then took over multi- and large-scale project management for various major banks and data centres in Germany. In 2017, he took over account management for a major customer and was subsequently responsible for several years as interim manager at a customer. He has been a partner of the DPS Group since 2022.
Carsten Lange
Partner
Carsten Lange is a partner of the DPS Group with a focus on payments.
In various positions at the primary bank level and at a large bank data centre, Carsten Lange has been able to gain extensive experience in banking topics and their implementation in technical and IT projects since 1993.
After joining the DPS Group in 2007, he was able to put this experience to good use in various customer environments.
Lukas Romeiser
Partner
Lukas Romeiser has been a partner of the DPS Group since 2025 and is responsible for the area of quality management.
After studying media informatics, Mr Romeiser spent nine years working in IT consultancy with a focus on quality assurance. During the first seven years, he was involved in various roles in diverse projects with banking customers, including several years in the payment transactions environment of a major German bank. From 2017 to 2019, Mr Romeiser successfully completed an MBA alongside his job. In the last two years, he has taken on account responsibility for several banking and insurance customers.
Mr Romeiser is an expert in quality assurance, payment transactions and the management of customer accounts in the finance and insurance industry.
Bernhard Uitz
Partner
Bernhard Uitz is a partner in the DPS Group and is responsible for Application Management & Legacy IT.
After his banking training, he gained several years of experience in various areas at a major bank and a savings bank. He started at DPS in 2007 and has passed through all career stages. He was able to contribute his practical experience in various areas of the bank, including securities processing, a central market data platform and in overall bank management in various roles, both professionally and technically.
Since the beginning of 2023, he has been responsible for Application Management & Legacy IT for a major customer.
Ulrike Uitz
Partner
Ulrike Uitz is a partner at DPS Engineering and is responsible for securities settlement.
She started at DPS directly after her studies in business informatics and has passed through all career stages. She is proficient in securities settlement across all products and process steps, both professionally and technically. In more than 20 years at DPS, she has successfully managed and completed many large projects.
Joachim Weber
Sales Director
Joachim Weber is Sales Director of the DPS Group.
Before joining DPS in 2002, he spent more than 15 years in various management positions at a company working for financial institutions.
At DPS, he was initially responsible for the expansion of sales activities and the associated expansion of the customer base. With the expansion of the self-service platform eCMS in the German market, market leadership was achieved for this DPS segment. After a short time, Mr. Weber was granted procuration. In close cooperation with the managing partner, various major projects were successfully won, which expanded the customer base of DPS accordingly.
Currently, Mr. Weber is mainly responsible for the support of all self-service customers and the associated projects.