David Wellis

CEO at Excellos

David is a cell biologist with over 30 years’ experience in the life science industry and currently serves as the CEO of Excellos. Prior to Excellos, he served as the CEO of the San Diego Blood Bank (SDBB) for more than 8 years. At SDBB, David’s vision was to connect altruistic blood donors with basic research and clinical study opportunities, furthering SDBB’s mission of ensuring the health of the community. David joined SDBB following his tenure at a variety of companies that developed tools for biomedical research, diagnostic and applied markets, including Illumina, GenVault and Axon Instruments.

David received his B.S. from UC Irvine, an M.S. and Ph.D. from Emory University, postdoctoral training at Tufts University and UC Berkeley, and business training at Leavey Business School of Santa Clara University and Haas Business School at UC Berkeley. David is on the Executive Committee of the Clinical and Translational Research Institute at UC San Diego and held board and committee roles in several national blood bank organizations, the National Institutes of Health and local biotechnology companies. For the past two years, he was named to the SD500 list of Most Influential People in San Diego.


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