Medicenna Therapeutics Corp. announced the appointment of Dr. Nageatte Ibrahim, MD, as Chief Medical Officer. Dr. Ibrahim, former Chief Medical Officer of Oncology at Innovent Biologics USA, brings more than two decades of experience spanning oncology drug development, including over 12 years at Merck and GSK, and 9 years in academia where she held faculty and clinical appointments at Harvard Medical School, Dana-Farber Cancer Institute, and the Perelman School of Medicine at the University of Pennsylvania.
Dr. Ibrahim most recently served as Chief Medical Officer of Oncology at Innovent Biologics USA, where she established and led a global clinical development organization and played a key role in building the company?s U.S. presence. Prior to Innovent, she spent over a decade at Merck, where she advanced to Vice President of Global Clinical Development, Oncology. In that role, she led the strategic direction and execution of clinical programs for pembrolizumab across multiple tumor types and combination regimens.
During her tenure at Merck, Dr. Ibrahim led pivotal global registration studies supporting approvals of pembrolizumab in frontline metastatic and resectable advanced melanoma, and contributed to numerous additional global approvals across indications including Merkel cell carcinoma, gastric cancer, biliary tract cancer, hepatocellular carcinoma, and pediatric neurofibromatosis type 1 (NF-1). Her work also supported tumor-agnostic approvals such as MSI-H/dMMR and TMB-H indications. Earlier in her career at GSK, she contributed to the development of the dabrafenib and trametinib combination therapy, which received global approvals in melanoma.
Dr. Ibrahim is widely recognized for her leadership in building high-performing clinical teams and fostering collaborative, growth-oriented environments. She has also served as a Scientific Advisor to the Melanoma Research Alliance. In addition, she is the founder and CEO of Arc Nouvel Clinical Development Consulting.

















