Customer-oriented. Professional. Experienced.

We have been familiar with the healthcare system and its players from years of practical experience. We employ highly qualified industry professionals with excellent soft skills. Most of our employees have worked for many years in a wide variety of roles and management functions in the healthcare sector. This pays off for you overall.

Members of the Management Board

The management of HBSN GmbH consists of several managing directors.

Tobias Niemann

Tobias Niemann

Managing Partner

Tobias Niemann is the founder and managing partner of HBSN GmbH. After graduating from high school, he began his professional career at a statutory health insurance company, where he gained extensive knowledge in the field of social insurance. In 2003, he moved to a service company specializing in statutory health insurance. He worked there as an overall project manager, was a member of the management team and expanded his personal network in the social insurance sector. The desire for more personal responsibility and self-determination led him to found HBSN in 2006, of which he is the owner and managing director. Tobias Niemann is the initiator of the Health Connect network meeting "Managers in Dialogue", a member of the Social Policy Commission of the Economic Council and a lecturer at the University of Applied Management.
Rainer Schumacher

Rainer Schumacher

Managing Director

Rainer Schumacher already managed the controlling department of a medium-sized German company while studying business administration. After successfully completing his studies, Mr. Schumacher began his career in management consulting. For several years, he held management positions at PricewaterhouseCoopers and IBM, where he was responsible for national and international projects and customer relations. Greater personal responsibility and a broader scope for action prompted him to move to a medium-sized management IT consulting company based in Berlin, where he headed up the sales, marketing and partner management departments. Rainer Schumacher has been the managing partner of xitee since 2013. He has also been Managing Director of HBSN GmbH since 2023.
Michael Gassmann

Michael Gassmann

Managing Director

Michael Gassmann can look back on a long career in IT with a focus on software development, IT operations, project management, management and IT strategy. After completing his studies in computer science at the University of Kaiserslautern, he joined Deutsche Börse AG in 1996 and has since held various management positions and functions in the IT sector. From 2006 to 2018, as Managing Director, he was responsible for the development and expansion of the Czech IT subsidiary with a focus on software development and IT operations. Michael Gassmann has been working for HBSN in various areas of the company since 2019 and is responsible for service management, infrastructure operations, DevOps and application support.
Erol Serter

Erol Serter

Managing Director

After studying mechanical engineering at the Technical University of Munich, he began his career at C & S Vertriebs GmbH in 1993, selling CAD solutions. He became a shareholder in CAPCAD SYSTEMS in 1994 and managed the company for almost 30 years - first as Managing Director, then as Chairman of the Management Board, and then as Managing Director again following the conversion to a limited company. Operationally, Erol Serter was responsible for the two business units IT Service and Information Security at CAPCAD SYSTEMS, as well as for the internal processes (QM system, information security, software tools). After the takeover of CAPCAD SYSTEMS by HBSN in May 2022, Erol Serter spent a good year taking care of the successful integration of CAPCAD SYSTEMS into HBSN, as well as the development of the two services IT Service and DataCenter, and was involved in winning the MD-IT contract. In July 2023, Erol Serter moved to HBSN GmbH in the position of Managing Director and now performs the tasks of a CISO (Chief Information Security Officer) and ISB (Information Security Officer), but is also responsible for setting up the SOC (Security Operations Center) service.
Sven Stephan

Sven Stephan

Managing Director

Sven Stephan is one of the first employees of the HBSN Group. He has had partner status since May 2015 and has been Managing Director of HBSN Certifications GmbH since 2022 and was Managing Director of AuraSec GmbH from May 2022 to the end of 2023. After training as a radio and television technician, he obtained his diploma in communications engineering at Bochum University of Applied Sciences. He then worked in the fields of identity management, software development and networks & security in various industries. Among other things, he took over the management of IT and the data center of a statutory health insurance company as well as a solution desk for the EMEA region. In his role as Senior Consultant, Lead Auditor ISO 27k1 and EnWG in accordance with the IT security catalog, security assessor for gematik, data center and data protection auditor, as well as approved auditor in accordance with § 8 of the BSI law, he advises customers on IT, process and security issues.
Ulrich Löcherer

Ulrich Löcherer

Managing Director

Ulrich Löcherer studied at the University of Augsburg and successfully completed his studies with a degree in economics. He initially worked in investment banking in Munich and Hong Kong for ten years. He then moved to a well-known cosmetics and food supplement manufacturer, where he held the position of Export Manager for three years, taking on challenging tasks with a high level of responsibility. Ulrich Löcherer continued his career as a portfolio manager in an investment company, where he worked successfully for a further ten years. This was followed by four years in a management consultancy, where his expertise was in demand and highly valued. He then moved to CAPCAD Systems, a well-known IT specialist, where he took on the position of Chief Financial Officer and Managing Director thanks to his experience and expertise. At the same time, he was head of data protection consulting. Ulrich Löcherer has been Managing Director of HBSN GmbH since mid-2023.
Dr. Lutz Kleinholz

Dr. Lutz Kleinholz

Managing Director

Dr. Lutz Kleinholz holds a doctorate in computer science in the field of security technology. In 2002 he founded healthpartner consulting GmbH and since then he has been successfully advising in the field of telematics, always in the implementation of new legislative procedures as well as in the field of DiGA and supports manufacturers in the BfArM approval process. He has held management positions in the field of healthcare IT and healthcare telematics for around 20 years. He laid the operational foundations for gematik and successfully carried out the first online test procedures with all the key players. From 1998 to 2001, Kleinholz managed the business of Noemalife, which he took over and is now established in Italy. A successful electronic patient file for hospitals was developed here at an early stage. Prior to this, he was Chief Information Officer (CIO) at Virchow-Klinikum and Chief Executive Officer (CEO) of ICW in 2009.
Jan C. Arfwedson

Jan C. Arfwedson

Managing Director

After studying business administration with a focus on business informatics, Jan C. Arfwedson initially worked in various positions in the internal audit department at various international trading companies before taking over the auditing department and finally the shared service division management and IT management at a supra-regional energy and water supplier. From 2015 to 2017, he was responsible for the development and expansion of a start-up in the field of data protection and information security in the energy supply sector as Managing Director. Jan Arfwedson has worked in various areas of the HBSN Group since 2017 and is responsible for product sales as part of the management team, focusing on HBSN's activities in the public health service.