Charles Triano | executive |
Christopher Viehbacher | executive |
Priya Singhal | executive |
Michael McDonnell | executive |
Marc Goodman | analyst |
Salveen Richter | analyst |
Umer Raffat | analyst |
Evan Seigerman | analyst |
Philip Nadeau | analyst |
Michael Yee | analyst |
Colin Bristow | analyst |
Christopher Raymond | analyst |
Mohit Bansal | analyst |
Good morning. My name is Katie, and I will be your conference operator today. At this time, I'd like to welcome everyone to the Biogen Fourth Quarter and Full Year 2023 Earnings Call and Business Update. [Operator Instructions] Today's conference is being recorded. Thank you. I would now like to turn the conference over to Mr.