Dr. Trejos is Assistant Director of Academic Programs and Manager of the Trace Evidence Analysis Facility (TEAF) at the International Forensic Research Institute (IFRI), Department of Chemistry and Biochemistry, Florida International University. Tatiana Trejos is the Director of the Professional Science Master Program in Forensic Sciences at IFRI/FIU.
Dr. Trejos teaches forensic chemistry graduate courses and has served as instructor for forensic practitioners, prosecutors and other law enforcement personnel.
Dr. Trejos research interests include the application of analytical chemistry in forensic sciences, with particular focus on the use of statistical tools to evaluate the significance of forensic evidence. Dr. Trejos expertise lies on the application of spectrochemical methods for the characterization and comparison of materials of forensic interest such as inks, paper, soils, paint, glass, chemical taggants, tapes and adhesives. Dr. Trejos research makes heavy use of analytical techniques such as ICP-MS, Laser Ablation ICP-MS, u-XRF, SEM-EDS and Laser Induced Breakdown Spectroscopy for the chemical characterization of forensic materials.