Management Board
In 1886, Georg Thieme founded a publishing house under his name, which passed into the ownership of the Hauff family in 1925. Four generations on, the Thieme Group is now managed by Dr. h.c. Albrecht Hauff together with Lilian Matischok, Dr. Nino Ostertag, Katrin Siems, and Martin Spencker. The Management Board is mainly focused on the strategic development and general management of Thieme, with a special emphasis on driving forward the digital transformation within the globally active company. The business leaders with an entrepreneurial mindset are responsible for the operational business.
Dr. h.c. Albrecht Hauff
Dr. Albrecht Hauff (*1954) holds a degree in business administration and has been a personally liable partner of the Thieme Group since 1990. He joined the family business in 1982 and has since overseen the further development of the Thieme Group into a digital healthcare service provider.
In 2006, the Medical Faculty of the Eberhard Karls University in Tübingen awarded him an honorary doctorate for his services in mediating between medicine and science. The entrepreneur was also active on the university council for many years.
Dr. Hauff is also involved in numerous committees in the media industry and in public administration, serving for many years as a board member on the publishing committee of Börsenverein für den Deutschen Buchhandel (German Publishers and Booksellers Association) and on the board of Deutsche Fachpresse (German Trade Press). He also served on the Executive Board and other committees of the International Association of Scientific, Technical and Medical Publishers (stm). Dr. Hauff supports the German Air Rescue (DRF) as a member of the association's advisory board as well as its foundation board.
He is an avid collector of modern, contemporary art and a member of the board of the Friends of the Staatsgalerie Stuttgart, promoting the museum and its internationally renowned collection. He was also a member of the board of the Friends of the Literaturhaus Stuttgart e. V. for many years.
Lilian Matischok
Lilian Matischok (*1972) has been responsible for Products & Solutions on the Thieme Management Board since 2022. She shares the leadership role within a joint leadership model together with Martin Spencker.
The mechanical engineer previously worked at Bosch for more than 20 years – first at Robert Bosch GmbH in the Mobility Solutions business division and later in the Industrial Technology division. She was responsible for the development of software-based platforms and business models, organizational and process development, and the digital transformation of the associated product areas. Matischok also prepared the organizational and strategic groundwork required to establish the Bosch Connected Industry business unit dedicated to developing and marketing software solutions for Industry 4.0. At the digital healthcare service provider Thieme, her joint leadership role ensures a balance between the continuity of the existing business and the development of new digital business areas.
Dr. Nino Ostertag
Dr. Nino Ostertag (*1979) is Chief Financial and Chief Operating Officer (CFO/COO) within the Thieme Management Board and is responsible for Finance, IT, Human Resources, Production Management, Security, and other operational functions.
He holds a doctorate in business administration and previously worked as a management consultant at Detecon Schweiz AG, where he analyzed the impact of technological change on business. He then worked at T-Systems Schweiz AG and later at STA Travel Group in London as a member of the management team, where he was responsible for matters relating to finance, controlling, process development, and purchasing. Prior to his activities abroad, Ostertag was managing director of an organization for business management training and continuing education in the healthcare sector.
He has been a member of the Thieme Management Board since 2020. With experience in various industries, the multi-faceted finance and IT expert is a key driver of the digital transformation within the Thieme Group.
Katrin Siems
Katrin Siems (*1980) is a member of the Thieme Management Board and responsible for Marketing and Sales.
After completing an apprenticeship in publishing and studies in foreign trade and international management, she joined Springer Nature, where she managed the market launch and sale of electronic products. She then worked for the Berlin-based scientific publisher De Gruyter as Director of Business Development. After only one year at De Gruyter, she became Vice President Sales & Marketing and a member of the Executive Board and was responsible for the Sales, Marketing, Customer Service, and Rights and Licenses departments.
In 2013, Siems moved to Beuth Verlag, where she was responsible for marketing, sales, customer service, and CRM. She has been a member of the Thieme Management Board since 2017, coordinating all marketing and sales activities for the Thieme Group. With her extensive expertise in transforming analog products into digital solutions and marketing them, she plays a key role in positioning existing Thieme products and future innovations on the market and toward the target groups.
Martin Spencker
Martin Spencker (*1964) is responsible for Products & Solutions on the Management Board in joint leadership with Lilian Matischok.
After apprenticing at Thieme and studying philosophy at the SJ School of Philosophy in Munich, Spencker gained experience at various national and international publishing houses before returning to Thieme in 1993. He became head of Thieme’s educational publishing unit at the time in 1999. In 2019, he was given responsibility for the entire Thieme International Business as Executive Vice President. Spencker has been sharing leadership responsibilities at Thieme together with Lilian Matischok in a joint leadership model since April 2022.