Galapagos NV (formerly known as Galapagos Genomics) is a Belgo-Dutch pharmaceutical research company which was founded in 1999. Its headquarters are located in Mechelen and has additional locations in Leiden, Romainville and Zagreb. The CEO is the Dutchman Onno van de Stolpe. Currently it developing drugs against rheumatoid arthritis, crohns disease, ulcerative colitis, psoriasis, systemic lupus erythematosus and cystic fibrosis. Galapagos Genomics NV was founded in 1999 as a joint venture between Crucell and Tibotec. The company later changed its name to Galapagos NV and completed its initial public offering on Euronext Amsterdam and Euronext Brussels in May 2005.