...All right. Good morning, everyone. Thanks again for being here at the TD Cowen 44th Annual Healthcare Conference Day 3. My name is Tyler Van Buren, your senior biotech analyst at TD Cowen. For the next session, we have a fireside chat with Regeneron. It's a privilege to have Regeneron here. And I would like to introduce Marion McCourt, Executive Vice President of Commercial; and Ryan Crowe, Senior Vice President and Head of Investor Relations. Marion, Ryan, thank you very much for being here. Ryan Crowe ...