PAREXEL International Corporation, a biopharmaceutical services company, provides clinical research, clinical logistics, medical communications, consulting, commercialization, and advanced technology products and services for pharmaceutical, biotechnology, and medical device industries worldwide. The company operates in three segments: Clinical Research Services (CRS), PAREXEL Consulting Services (PC), and PAREXEL Informatics (PI). The CRS segment offers clinical trials management, observational studies, patient/disease registries and post-marketing surveillance, data management and biostatistics, epidemiology and health economics/outcomes research, clinical logistics, pharmacovigilance, and clinical pharmacology, as well as related medical affairs, patient recruitment, and investigator site services. The PC segment provides technical expertise and advice in various areas, such as drug development, regulatory affairs, product pricing and reimbursement, commercialization and strategic compliance, and good manufacturing practice compliance consulting; and market development, product development, commercialization, and targeted communications services in support of product launch. The PI segment offers information technology solutions comprising ClinPhone randomization and trial supply management solutions, medical imaging services, LIQUENT InSight RIM solutions, IMPACT clinical trial management systems, DataLabs electronic data capture systems, Web-based portals, systems integration, electronic patient reported outcomes, and patient diary applications. PAREXEL International Corporation has a strategic alliance with Optum. The company was founded in 1983 and is headquartered in Waltham, Massachusetts.