Soojeong Oh is a senior scientist of the CDO R&D, CMC Support, and Structure Analysis team at Samsung Biologics' Bio R&D Center. She brings experience in biopharmaceutical development since 2020, with a particular focus on the characterization and qualification of monoclonal antibodies and complex proteins including antibody-drug conjugates from discovery through preclinical and commercial stages. Throughout her career, she has gained deep expertise in areas such as mass spectrometry–based structural analysis and high-order structure analysis.