Tamar Sadeh's background is in Mathematics and Computer Science.  She has worked for two separate companies that developed search engines; one for structured data and one for unstructured data.  Sadeh worked for a start-up company and has been with ExLibris for the past 15 years.  After joining ExLibris, Sadeh received her Ph.D. in Information Science and is currently the director of product management in the business unit of ExLibris.