Theseus Pharmaceuticals is passionately committed to outsmarting cancer resistance. Cancer is constantly mutating, allowing it to evade initially effective oncology treatments. Theseus believes we can predict how cancer will change, enabling new therapies to stay ahead of future mutations and overcome the demonstrated burden of treatment resistance. Led by a team of pioneers in the discovery and development of tyrosine kinase inhibitors (TKIs), we are developing best-in-class, pan-variant kinase inhibitors, to shape the future of targeted oncology. PLEASE NOTE: All open positions for Theseus Pharmaceuticals will be listed on this website, and any communication from Theseus about open positions will come from a representative with a Theseus email address (@thesesuspharma.com or @theseusrx.com). Further, we will never ask you to share private information (bank accounts, social security #) via email. If you receive a suspicious message from someone purporting to be from Theseus Pharmaceuticals or if you believe you are a victim of fraud, please visit the FTC website to file a report.