John Vieceli, PhD

John Vieceli, PhD serves as the Chief Product Officer of Quantum-Si, where he leads Product Development and Operations. He is an accomplished senior leader with nearly two decades of experience building and mentoring technical teams, bringing early-stage technology development to market, and leading strategic programs. Dr. Vieceli joined Quantum Si in December 2022 and has held positions of increasing responsibility in Software and Informatics and Product Development.

Prior to that, he held leadership positions at various next generation DNA sequencing companies, including Illumina, Omniome, and Pacific Biosciences. His work has focused on areas such as bioinformatics, image and signal processing, and computer subsystems for sequencing instruments. Dr. Vieceli was awarded the Illumina Annual Innovation Award in 2022 for signal processing improvements that resulted in significantly higher sequencing accuracy. Prior to that, his technical work on patterned flow cells and new sequencing chemistries played a key role in driving down the cost of human genome sequencing below $1,000 at Illumina. He is an inventor on over 25 patent filings in the areas of nanofabrication, signal processing algorithms, and assay development and an author on over 20 publications in DNA sequencing and surface chemistry. Dr. Vieceli received his PhD in Theoretical Physical Chemistry from the University of California, Santa Cruz and his B.S. in Biology and Chemistry from Santa Clara University.