Ruthie, a Miami, Florida native, received her Bachelor of Science, Master of Science, and Doctorate in Chemistry from Florida International University (FIU). She joined the Materials Measurement Science Division at the National Institute of Standards and Technology (NIST) soon after completing her Ph.D. in 2018. She is a member of the Organization of Scientific Area Committees (OSAC) Trace Materials Subcommittee, which focuses on the advancement of forensic trace evidence documentary standards. Her current research efforts involve the development of new glass standard reference materials for the forensic and geological community and the improvement of evidence interpretation for the analysis of glass using X-ray Fluorescence Spectrometry.