DNAnexus expands its executive leadership team by appointing Brady Davis as vice president of strategy and marketing and John Ellithorpe as chief product officer. Davis comes to DNAnexus from Illumina, where he identified investment and acquisition opportunities, developed strategic partnerships, and led global product marketing for informatics. Before his work at Illumina, he led business development, strategy, and innovation for Oracle's Health Science Global Business Unit. Ellithorpe joins Illumina from Vantiq, where he served as chief product officer. Before his work at Vantiq, he co-founded Model N, where he served as chief technology officer and chief product officer.