Carrie Mendivil | Investor Relations |
Helmy Eltoukhy | Co-Founder & Chief Executive Officers |
AmirAli Talasaz | President & Co-Founder |
Derek Bertocci | Chief Financial Officer |
Puneet Souda | SVB Leerink |
Doug Schenkel | Cowen |
Brian Weinstein | William Blair |
Ivy Ma | Bank of America |
Eleni Apostolatos | JPMorgan |
Patrick Donnelly | Citi |
Max Masucci | Canaccord Genuity |
Ladies and gentlemen, thank you for standing by and welcome to the Guardant Health Q4 2019 Earnings Conference Call. At this time, all participants are in a listen-only mode. After the speaker presentation, there will be a question-and-answer session. [Operator Instructions] Please be advised that today's conference is being recorded. [Operator Instructions]