Sutro Biopharma, Inc. is a public biotechnology company headquartered in South San Francisco, California focused on clinical-stage drug discovery, development and manufacturing. Using a proprietary cell-free protein synthesis platform, Sutro is working on oncology therapeutics using protein engineering and rational design. Founded in 2003 under the name Fundamental Applied Biology, the company name changed to Sutro Biopharma in 2009. The current CEO, William Newell, joined Sutro in January 2009. The company has raised over $201.7 million from venture investors, collaborators and the public markets.