Carlo Tanzi | IR Officer |
Eric Shaff | President, CEO & Director |
Teresa Young | EVP and Chief Commercial & Strategy Officer |
Lisa von Moltke | EVP & Chief Medical Officer |
David Arkowitz | EVP, CFO & Head, Business Development |
David Ege | EVP & CTO |
Matthew Henn | EVP & Chief Scientific Officer |
Mark Breidenbach | Oppenheimer |
John Newman | Canaccord Genuity |
Edward Tenthoff | Piper Sandler & Co. |
Stephen Sloan | Goldman Sachs Group |
John Bohnsack | TD Cowen |
Thank you for holding, and welcome everyone, to the Seres Therapeutics Fourth Quarter 2022 Conference Call. [Operator Instructions]. Thank you. I will now turn the call over to Dr. Carlos -- Carlo Tanzi of Investor Relations.