Personalis, Inc. operates as a cancer genomics company worldwide. The company provides sequencing and data analysis services to support the development of cancer therapies. It offers NeXT Platform, which provides data for cancer therapy development, personalized therapies, therapy selection, and diagnostics. The company also provides a complementary liquid biopsy assay that analyzes various human genes versus. It serves approximately 45 biopharmaceutical customers, including a range of pharmaceutical companies. The company was founded in 2011 and is headquartered in Menlo Park, California.