Atara Biotherapeutics, Inc. (NASDAQ:ATRA) Q2 2021 Earnings Conference Call August 9, 2021 4:30 PM ET Company Participants Eric Hyllengren - Vice President of Investor Relations & Finance Pascal Touchon - President & Chief Executive Officer Jakob Dupont - Executive Vice President and Global Head of Research and Development AJ Joshi - Chief Medical Officer Jose Vidal - Head of GMP Quality & Process Sciences Conference Call Participants John Newman - Canaccord Genuity Jonathan Miller - Evercore ISI Salim Syed ...