Robert Ezzell Jr. is a seasoned professional in regulatory affairs, currently serving as Senior Director of Regulatory Affairs at atai Life Sciences since December 2021, where responsibilities include leading regulatory efforts for clinical-stage drug and digital therapeutic development programs. Ezzell has a strong academic presence as a Graduate Instructor in Regulatory Affairs at Northeastern University, teaching multiple courses and developing curriculum. Previous roles include Director and Head of Regulatory Affairs at Glympse Bio, Associate Director of Global Regulatory Affairs at Sanofi, and regulatory positions at Philips and AlvaMed. Ezzell's educational background includes a PhD in Cell & Molecular Biology from the University of California, Berkeley, an MBA in Operations & Finance from Northeastern University, and a Regulatory Affairs Certification.