Ryan McMullin

Ryan McMullin serves as the Executive Director of Companion Diagnostics at Merus N.V. since December 2022. Prior experience includes roles at AstraZeneca, where Ryan led Precision Medicine & Diagnostics from October 2018 to December 2022, and held positions such as Associate Director in Companion Diagnostics. At The Janssen Pharmaceutical Companies of Johnson & Johnson, Ryan worked as a Senior Scientist in Oncology Translational Research from May 2014 to October 2018. Previous experience includes senior roles at LabConnect LLC and Massachusetts General Hospital, focusing on oncology biomarker discovery and development. Ryan also held postdoctoral research positions at Harvard Medical School and served as a Graduate Research Assistant at the University of Maryland Baltimore County, where Ryan earned a PhD in Molecular and Cell Biology.