President and General Manager, Idorsia Pharmaceuticals US
Professional background: Tosh is a highly accomplished industry executive with more than 20 years of pharmaceutical leadership experience. Prior to joining Idorsia, Tosh served as Executive Vice President and Chief Operating Officer of ChemoCentryx, Inc., a biopharmaceutical company focused on orally administered therapeutics to treat autoimmune diseases, inflammatory disorders, and cancer, which was acquired by Amgen in October 2022. At ChemoCentryx, Tosh built the commercial, market access, medical affairs, and tech ops functions, securing regulatory approval for the company’s first product in the US, Canada, EU, and Japan, and successfully launching the product in the rare disease space. Before that, Tosh was Senior Vice President of Latin America for AstraZeneca, where he led a team of more than 2,000 people, including five country presidents. Serving in leadership roles at AstraZeneca for more than six years – in marketing, sales, and market access – across the company’s primary care, biologics and vaccines, and oncology business lines, Tosh launched products in both primary and specialty care, including the company’s first biologic. Prior to this, he held several marketing and sales leadership roles in the United States, United Kingdom and France with GlaxoSmithKline and Sanofi.
Education: Tosh has a Bachelor’s degree in Pharmacy from the University of Brighton, UK, and an MSc in Management from Imperial College, University of London.