Dr. Marianne Sierra

Dr. Marianne Sierra is a distinguished Clinical Research Manager at Tenet Healthcare and a Clinical Research Professional specializing in Neuroscience Research at St. Mary's Medical Center since December 2015. Notable accomplishments include enhancing participant comprehension of research protocols, achieving 100% compliance with IRB submissions, and consistently improving data integrity and accuracy through stringent quality measures. Dr. Sierra has a diverse educational background with a PhD in Biology/Biological Sciences from the University of Phoenix and multiple degrees from the University of Florida, including an MS in Clinical Research and BS degrees in Animal Sciences and Business Administration. In addition, Dr. Sierra holds certification as a Clinical Research Professional and has extensive experience managing clinical trials across various stages, demonstrating exceptional leadership and communication skills throughout the research process.