Dr. Reinhold Mueller-Kaefer started his career in 1989 at Hoffmann-LaRoche AG in Basel in the department of Pharmaceutical Quality Control and Assurance, where later he was heading different laboratory groups. In 2000 he was appointed as Study Director for Pharmaceutical Quality Control and Stability Studies at RCC, Ltd. in Ittingen. From 2002 until 2005 he was freelancing as pharma consultant (Parexel and others) and took part in various IT projects. In 2005 he took the position of Head of Quality Control at Tillotts Pharma AG in Ziefen, Switzerland. Later, as the assistant to the Qualified Person he improved the quality system (e.g. setting PQR reporting, implementing ICH Q10) and in parallel as Project Manager he was responsible for approval of the main product in Japan. In 2009 he became the Head of Quality Control with additional QA functions. Since June 2009 he works as Senior Manager Quality responsible for PQR, new products, projects, cleaning validation, external laboratories and resolving problems. Dr. Mueller-Kaefer studied chemistry at universities of Siegen and Stuttgart. He did his Ph.D. in analytical chemistry at Max Planck Institute for solid state research (MPI FKF) in Stuttgart.