Sara Jimenez is a mathematical statistician supporting the Division of Gastroenterology and Inborn Errors Products at the FDA’s Center for Drug Evaluation and Research. She performs regulatory reviews of clinical trial submissions and contributes to data standards efforts within the division and with external groups. She has worked for several years in the clinical trials industry as a biostatistician and as a statistical programmer. Sara studied mathematics at the University of Texas at Austin and biostatistics the University of Texas Health Science Center at Houston School of Public Health. Her dissertation examined the effects of treatment switching with randomization as an instrumental variable in a randomized controlled trial.