Excision BioTherapeutics, Inc. is a biotechnology company developing CRISPR-based therapies to cure viral infectious diseases. Excision is focused on improving the lives of chronically ill patients by eliminating viral genomes from infected individuals. By using CRISPR in unique ways, the company has already demonstrated the first functional cure for HIV in animals. Excision is developing technologies and IP developed at Temple University and U.C. Berkeley. Excision is located in Oakland, California and is supported by ARTIS Ventures, Norwest Venture, SilverRidge Venture Partners, Oakhouse Partners, and Gaingels.