This work entailed working with multidisciplinary teams in the United States, Europe, and Asia. Prior to Baxter, Dr. Weinstein worked in the San Diego Offices of the law firms of Brobeck, Phleger & Harrison, and Fish & Richardson where his practice focused on the management and prosecution of patent portfolios for biotech and high tech companies and patent and general civil litigation. During law school, he worked full-time as a patent agent in the Boston Office of Goodwin Procter. Dr. Weinstein also worked as an Examiner at the United States Patent and Trademark Office followed by a stint as a Senior Scientist at a biotech company where he was responsible for the Animal Health Group developing vaccines and other therapeutics for the treatment of infectious disease in large animals.

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Dr. Weinstein received his Ph.D. in Biology with an emphasis in Immunology from the University of Pennsylvania. Following receipt of his Ph.D., Dr. Weinstein worked as a Research Fellow, first at the National Institutes of Health in Bethesda, Maryland and then at the United States Army Medical Research Institute of Infectious Disease in Frederick, Maryland where he investigated the molecular development of antibody diversity and developed vaccines.