These individuals perform bioanalytical quantitative analysis of drugs in body fluids and tissues from non-regulated and regulated studies, including preclinical safety evaluations, pharmacokinetic/pharmacodynamic studies, and clinical trials. They develop and validate quantitative LC/MS/MS methodology, analyze samples, and interpret and report data using validated hardware and software systems. They also follow GxP’s, SOPs, and study protocols to accurately document methods, procedures, and results for study reports and regulatory documents.