Cathleen Phillips Davis

Threshold Pharmaceuticals, Inc. engages in the development of therapeutics for treating tumors. It offers the Evofosfamide which designed as a prodrug that is activated under the extreme hypoxic conditions commonly found in tumors, but not typically in healthy tissues, and TH-3424 which is a small-molecule drug candidate for the treatment of liver, castrate resistant prostate cancer, T-cell acute lymphoblastic leukemias, and other cancers. The company was founded by Jeffrey W. Bird on October 17, 2001 and is headquartered in South San Francisco, CA