Lewis Kraft is an entrepreneur with nearly two decades of experience developing advanced laboratory tools—such as DNA sequencers—and leading innovations in laboratory testing for the life sciences. He played a role in the development of Illumina's iSeq100, NextSeq2000, and NovaSeqX DNA sequencing systems, and holds over 20 patents in the field. At Tempus AI, Kraft developed cutting-edge molecular diagnostic tests—including the xH whole genome assay—while ensuring regulatory compliance to enable clinical laboratory testing. He earned his PhD in physical chemistry from Vanderbilt University and honed his skills under National Medal of Science recipient George Whitesides at Harvard University.