374Water Inc. (NASDAQ:SCWO) ("374Water" or the "Company"), a leading cleantech and environmental services company deploying supercritical water oxidation technology for the destruction of organic waste streams, today announced the appointment of Chuck Weiser, CPA, as Chief Financial Officer, effective immediately. Mr. Weiser succeeds Adrienne Anderson who has served as Interim Chief Financial Officer and will continue supporting the Company as a financial consultant focused on SEC reporting, compliance, and corporate finance initiatives.