Dr. Albrecht Hauff

Dr. Albrecht Hauff has been a personally liable partner of the Thieme Group since 1990.

He has a Diploma in Business Administration and has also been involved in various publishing and public affairs committees for more than 25 years. Since 1997, he has been active as a member of the board of directors of the Börsenverein for the German book trade.

Martin Spencker

Martin Spencker is the Executive Vice President International Business of the Thieme Group. He is responsible for all the market offerings of Thieme outside the German-speaking countries. Martin Spencker has been working for Thieme since 1993: At first he was responsible for the marketing activities of Thieme’s subsidiary Enke, then he became head of the division responsible for the educational products of the Georg Thieme publishing house. His particular focus in the last few years has been on the opportunities of digital publishing, and he was heavily involved in the establishment of learning platforms such as Via Medici and CNE (Certified Nursing Education). Spencker gained international experience with MacMillan Professional Books and Oxford University Press in New York and also in connection with the international marketing of Thieme’s Anatomy Atlas PROMETHEUS.

Dr. Udo Schiller

Dr. med. Udo Schiller is responsible for the German-speaking business units and subsidiaries of the publishing group. He is responsible for the further development of the core markets in Germany, Austria and Switzerland. Previously, he was the Publishing Director at Thieme for the specialist media for doctors in clinics and practice. He is a member of the Thieme Management Board since 1 April 2016.

Katrin Siems

Katrin Siems has been a member of the Thieme Executive Board since November 2017. She is responsible for marketing and sales of Thieme group and future innovations on the market and among the target groups. After completing her training as a publisher and degree program in foreign trade and international management at Springer Nature, she managed the launch and sale of electronic products. She then worked for Berlin's science publisher De Gruyter as Director Business Development. After just one year, she joined De Gruyter's Vice President Sales & Marketing and was a member of the executive board.