Maria D. Ribadeneira, PhD

Maria is the VP, DMPK for Sionna. In this position, Maria is responsible for setting criteria and enabling modeling that supports lead optimization and advancing molecules to safety studies and IND filing.

Maria has extensive experience with early discovery projects across multiple therapeutic areas including HIV, central nervous system, cardiovascular, inflammation, and oncology, providing leadership around development programs from early clinical operations and medical writing to data management functions. She most recently served as a consultant for project out-licensing at Novo Nordisk and has previously held positions with FORMA Therapeutics, Ironwood Pharmaceuticals, and Boehringer-Ingelheim. Maria also has experience as a research scientist with AstraZeneca and DuPont Pharmaceuticals. She earned a Ph.D. in renal physiology and philosophy from Georgia State University and holds a B.S. in biology/chemistry from The University of Alabama in Huntsville.