Ronald H. P. Brus

Janssen Vaccines & Prevention BV manufactures and supplies biopharmaceutical products. The company was founded in 2000 and is headquartered in Leiden, the Netherlands.

Impatients N.V. operates an online platform for drug innovations. It provides physicians and patients that are excluded from clinical trials access to drugs in development via early access programs. The company was founded by Ronald Brus, SJaak Vink, Govert J. Schouten, Witt Jan, Erdem Yavuz, and René Beukema in 2012 and is headquartered in Amsterdam, the United Kingdom.

Leyden Laboratories B.V. is a biotechnology company based in Amsterdam, Netherlands. Leyden Labs aims to protect humanity from known and future viruses by targeting commonalities of viral families. The Dutch company has developed a portfolio of accessible intranasal product candidates that may provide people with the freedom to immediately protect themselves from and prevent the spread of many strains of respiratory viruses, including ones in the influenza and coronavirus families. The company's energetic team of world-renowned biotechnology veterans and fresh talent is dedicated to thinking differently to free humanity from the burden of respiratory viruses. Leyden Labs is backed with $200m by blue-chip investors Casdin Capital, GV (formerly Google Ventures), F-Prime Capital, Byers Capital/Brook Byers, SoftBank Investment Advisers, Invus, and Bluebird Ventures. The company was founded in June 2020 by Koenraad Wiedhaup, Jaap Goudsmit, Domenico Valerio, and Ronald H. P. Brus, with Koenraad Wiedhaup serving as the CEO since incorporation.

Zambon Nederland BV operates as a pharmaceutical company. The company was founded in 1906 and is headquartered in Amersfoort, the Netherlands.

Crucell NV develops, produces and markets vaccines, proteins and antibodies that prevent and treat infectious diseases. It focuses in the research & development of innovative immunization candidates to fight against tuberculosis, malaria, HIV/AIDS, influenza, rabies, polio and several other diseases which are the global health problems. The firms prod8ucts include Quinvaxem, Epaxal, Hepavax-Gene, Vivotif and Dukoral against paediatric, respiratory and travel or endemic infections. The company was founded by Domenico Valerio on October 9, 2000 and is headquartered in Leiden, Netherlands.