CRISPR Therapeutics AG focuses on the development of transformative gene-based medicines for serious diseases using its proprietary CRISPR/Cas9 gene-editing platform. The CRISPR/Cas9 technology allows for changes to genomic DNA. The company has strategic collaborations with Bayer AG and Vertex Pharmaceuticals to develop CRISPR-based therapeutics in other diseases. It operates in Switzerland, the United States, and the United Kingdom. CRISPR Therapeutics AG is headquartered in Basel, Switzerland.