Board of Directors

  • Jan van Koeveringe, PhD.

    Jan van Koeveringe, PhD.

    Chairman of the Board


    Dr. van Koeveringe received his PhD in organic chemistry from the University of Leiden (The Netherlands). He was a member of the Pharma Executive Committee of Roche, leading global technical operations from 2000 to 2010. Dr. van Koeveringe remains actively involved in the Pharmaceutical Industry. With his longstanding experience, he will strongly support Senn’s successful future development.

  • Hans-Peter Wyss, lic. oec. publ., dipl. Wirtschaftsprüfer

    Hans-Peter Wyss, lic. oec. publ., dipl. Wirtschaftsprüfer

    Member of the Board

    Hans-Peter Wyss holds a bachelor in finance and graduated in economics at the University of Zurich. He held various positions in the areas of audit, risk management, corporate finance and advisory in big-4 audit and consulting firms in Switzerland. Since he became a partner of Deloitte in 2005 he advised a large number of global, international and local companies as well as entrepreneurs. Hans-Peter Wyss retired from his position in 2013 and started his own advisory firm.

  • Rico Wiedenbruch, PhD.

    Rico Wiedenbruch, PhD.

    Member of the Board


    Mr. Wiedenbruch received a PhD from ETH Zürich (physical chemistry) and an MBA from the same school. After various executive positions at Ciba Specialty Chemicals, Syngenta and AZ Electronic Materials he served most recently as Senior Vice President and CEO Semiconductor Solutions at Merck. He lived for many years in Japan and gained a deep experience of running businesses across different cultures in Asia, North America and Europe. Mr. Wiedenbruch is now an independent investor and focuses on business advisory and non-executive board mandates in the wider technology and chemical sectors.


  • Alain Scarso, PhD.

    Alain Scarso, PhD.

    Member of the Board


    Dr. Alain Scarso received his PhD in organic chemistry at the University of Mons (Belgium) while he was already involved in pharmaceutical peptides research. He completed his education in business administration at INSEAD (France). As General Manager, Dr. Scarso developed the company UCB Bioproducts as one leader in the pharmaceutical peptide API CMO. He also held the position of Vice president of UCB Pharma as site directors of is Belgian plant. Later he became successively Vice President of Lonza Braine, the peptide of Lonza AG, and Director of the Global Technical Operations of the PolyPeptide Group. Having mad all its career in the peptide manufacturing business he is now willing to assist Senn Chemicals in its further development.


  • Christof Senn

    Christof Senn

    Member of the Board


    Christof Senn completed his professional training in Senn Chemicals AG 1984. During the following years he was working in different departments (R&D, Lab production, QC and Logistics). In 1999 he became member of the executive management of Senn Chemicals AG in charge of R&D. Since 2011 CEO of his own company Christof Senn Laboratories AG. With many years of practical experience in Peptide Chemistry he will support the sustained growth of Senn Chemicals.


  • Matthias Senn

    Matthias Senn

    Member of the Board

    Matthias Senn completed his professional training at Givaudan (Hoffmann La Roche) in Dübendorf, near Zürich. In 1981 he became responsible for Senn Chemicals new R & D laboratory. During the following years he helped to adapt the organizational structure to complement the demands of the steadily growing company. In 1993 further studies at the University of Zürich.


  • Jürg Peyer, PhD. iur.

    Jürg Peyer, PhD. iur.

    Member of the Board


    Jürg Peyer is practicing attorney since 1974, after he finished his studies at the Universities of Geneva and Zurich. He is a creative tactician, who can also keep a cool head even in seemingly hopeless situations and resolve tensions with humor.