History
Dr. Benjamin M. Chien founded Quest Pharmaceutical Services in 1995 to provide high quality bioanalytical LC-MS/MS contract services. QPS has posted impressive growth every year and has grown from a small molecule bioanalysis shop of three people to over 790 employees in the United States, Europe, and Asia. Over the years, the company has adopted additional services, including ligand binding assays, DMPK , toxicology, translational medicine research, early stage clinical research, and late stage clinical research.
