Atara Biotherapeutics, Inc. (NASDAQ:ATRA) Q2 2019 Results Earnings Conference Call August 8, 2018 8:00 AM ET Company Participants John Craighead - Vice President of Investor Relations and Corporate Communications Pascal Touchon - President and Chief Executive Officer AJ Joshi - Chief Medical Officer Chris Haqq - Chief Scientific Officer Conference Call Participants Anupam Rama - JP Morgan John Newman - Canaccord Genuity Salim Syed - Mizohu Americas Matt Phipps - William Blair Philip Nadeau - Cowen and C ...