Shirley Stacy | IR |
Joe Hogan | President and CEO |
John Morici | CFO |
Nathan Rich | Goldman Sachs |
Erin Wright | Credit Suisse |
Jon Block | Stifel |
Zach Wachter | Morgan Stanley |
John Kreger | William Blair |
Jeff Johnson | Baird |
Brandon Couillard | Jefferies |
Greetings and welcome to Align Q4 2017 Earnings Conference Call. At this time, all participants are in a listen-only mode. A question-and-answer session will follow the formal presentation. [Operator Instructions] As a reminder, this conference is being recorded. I would now like to turn the conference over to our host, Shirley Stacy.