Leadership
ClearNote Health has built a world-class multi-disciplinary team focused on applying our unique epigenomic platform to make long-term cancer survival a reality for more people.
Dave Mullarkey
Chief Executive Officer
Dave is a life sciences industry veteran with an extensive track record of success across the life sciences industry of scaling and delivering value with therapeutic, diagnostic, and life science tools companies in both private and public settings. Most recently, he was president and chief executive officer of Omniome, where he guided and scaled the DNA sequencing company from the early technology development stage through the delivery of its beta prototype leading to its sale to PacBio in 2021. Prior to Omniome, Dave served as the president and chief operating officer of Ariosa Diagnostics, a global diagnostics company focused on using cell-free DNA in non-invasive prenatal testing that was acquired by Roche in 2014. Post-acquisition, Dave served as lifecycle leader, site head, and a core member of the Roche Sequencing Solutions leadership team. He has also held positions at Johnson & Johnson, Eli Lilly and Company, Valeant Pharmaceuticals, and Dow Pharmaceuticals Sciences.
Samuel Levy, PhD
Chief Scientific Officer
Samuel joined ClearNote Health at its inception and has co-authored many of the research papers we have published about our epigenomics technology platform and our DNA-based 5-hydroxymethylcytosine (5hmC) biomarker. For more than 20 years, he has held leadership positions in genomics and molecular diagnostic development at companies including Celera, Genomic Health, Quanticel Pharmaceuticals (now part of Celgene), and Impact Genomics/Lexent Bio which he co-founded and is now a part of Foundation Medicine. Samuel has also served on the faculty at the J. Craig Venter Institute, Scripps Translational Science Institute and Scripps Research Institute. He holds degrees from the University of Bristol and the University of Leeds in the United Kingdom.
Wayne Volkmuth, PhD
Senior Vice President, Informatics & Data Discovery
Wayne has more than 20 years of experience in bioinformatics, genomics and drug discovery. He cofounded Atreca and Innectus, and held leadership positions at Renovis (now part of Evotec), Ceres, and Incyte Pharmaceuticals. Wayne has been granted US patents and has co-authored multiple peer-reviewed publications. He holds degrees from Stanford University, Princeton University, and University of Minnesota.
Jeffrey M. Venstrom, MD
Chief Medical Officer
Anna Bergamaschi, PhD
Vice President, Product Development
Anna has over a decade of experience in next-generation sequencing assay workflows and has worked as a senior scientist at ClearNote Health. Previously, at Genomic Health, she led the technical development of blood-based liquid biopsy assay. Anna holds a PhD in Molecular Oncology from the University of Oslo, Norway in collaboration with Stanford where she spent most of her time in the optimization of array CGH. She holds a Master’s in Medical Biotechnology from the University of Modena School of Medicine, Italy.
Eric Nilson
Vice President, Enterprise IS&T
Eric has more than 20 years of experience directing IT for life sciences companies including Response Genetics Inc., Cypress Bioscience Inc., Suneva Medical Inc., and Orchestra Therapeutics Inc. He holds a B.S. in Business Administration/Information and Decision Systems from San Diego State University. He also served in the U.S. Marine Corps.
Shimul Chowdhury, PhD, FACMG
Vice President, Laboratory Operations
Shimul has served as a clinical laboratory director in multiple laboratories including Rady Children’s Institute for Genomic Medicine (RCIGM), Illumina Inc. and Quest Diagnostics. He has dedicated his career to implementing new genomic technologies to improve patient care and outcomes. He is a board-certified clinical molecular geneticist and licensed as a laboratory director in California, Florida and New York. He has authored over 30 peer-reviewed publications.
Gulfem Guler, PhD
Vice President, Translational Research, Head of Biopharma Development at ClearNote Health
With a PhD from Vanderbilt, Gulfem has over a decade of experience in leveraging cancer epigenomics to drive advancements across drug discovery, translational research and biomarker development. Her prior commercial experience includes roles at Celgene and Genentech. Gulfemjoined ClearNote in 2018 and has been pivotal in developing the applications of the platform for pancreatic cancer early detection and treatment response. She is a passionate advocate for advancing precision medicine to better patient outcomes.
Jeremy Bennett
Head of Marketing
Jeremy leads brand strategy, go-to-market execution, provider engagement, and patient education initiatives. He brings deep experience building and scaling innovative healthcare technologies, with a strong track record of advancing commercialization and driving market adoption.
Prior to joining ClearNote Health, Jeremy served as Vice President of Marketing at iCAD, a global leader in AI-powered breast health solutions. Earlier in his career, he spent more than 16 years at Myriad Genetics in senior marketing leadership roles across imaging, oncology, and women’s health.
Jeremy holds a Bachelor of Science from The Pennsylvania State University and a Master of Science from the University of Utah.
Irene Hsieh
Vice President of Regulatory Affairs
Irene leads regulatory submissions, quality oversight, and cross-functional alignment to ensure the company’s platform meets the highest clinical and regulatory standards. Irene has more than 17 years of experience in global regulatory strategy, quality systems implementation, and compliance in complex diagnostic environments at leading diagnostics and pharmaceutical organizations, including Revvity, ChromaCode, Thermo Fisher Scientific, Shire, and Abbott.
Irene earned a bachelor of science degree from the University of California, San Diego, and a master of science degree from San Diego State University.
Dr. Daniel Black, MBA
General Manager of International Markets
Daniel brings a successful history of scaling innovative diagnostics and biotech solutions from early-stage development to international market adoption. He oversees global go-to-market strategy, business development, partnership management, and market access initiatives to accelerate the commercial expansion of ClearNote Health's epigenetic-based early cancer detection portfolio. He has 20 years of experience in international commercial leadership across the biotech and medtech sectors, having held senior roles at Centogene and Roche Diagnostics, with increasing responsibility across global marketing, product management, and strategic partnerships.
Daniel earned a bachelor of science degree and a master of business administration degree from the Graduate School Rhein-Neckar in Mannheim, Germany, along with a doctor of business administration from Warsaw Management University in Warsaw, Poland.
Alan Ashworth PhD, FRS
- Cancer biomarkers and therapeutics, DNA repair/synthetic lethality
- President, Helen Diller Comprehensive Cancer Center
- SVP for Cancer Services, UCSF Health
- Professor, Hematology Oncology, UCSF
David A. Diamond, MD, FACRO
- Clinical advisor to ClearNote since inception
- More than 20 years of clinical oncology experience
- Former Chair of the Florida Board of Medicine
- Former Chancellor of the American College of Radiation Oncology
- Princeton University A.B. & University of Florida M.D.
- Post-graduate training at Yale and Washington University St. Louis
Stephen Quake, D. Phil
- Pioneer in liquid biopsy, single cell genomics, microfluidics
- Head of Science, Chan Zuckerberg Initiative (CZI)
- Professor, Bioengineering and applied physics Stanford University
- Member of all three National Academies – Science, Engineering, and Medicine
- Past Investigator, Howard Hughes Medical Institute
J. Craig Venter, PhD
- Pioneer in sequencing Human Genome at Celera Genomics
- Pioneer in genomic medicine, founder of Human Longevity Inc.
- Founder of J. Craig Venter Institute (JCVI)
Mattias Westman
- International finance and investments
- Founding Partner, Prosperity Capital Management
- Active global cross-border investor
- Stockholm School of Economics
Stephen Quake, D. Phil
- Pioneer in liquid biopsy, single cell genomics, microfluidics
- Head of Science, Chan Zuckerberg Initiative (CZI)
- Professor, Bioengineering and applied physics Stanford University
- Member of all three National Academies – Science, Engineering, and Medicine
- Past Investigator, Howard Hughes Medical Institute
Tina S. Nova, PhD
- Pioneer in molecular-based diagnostics in oncology
- President and CEO, Decipher Biosciences (acquired Veracyte)
- Former President and CEO, Genoptix (acquired Novartis)
- Prior executive leadership positions, Molecular Stethoscope, Illumina and Nanogen
- Biotechnology leadership Ligand Pharmaceuticals, Hybritech
Dave Mullarkey
- Life Sciences industry leader with an extensive track record of success in the cell free DNA diagnostics space, DNA sequencing instrument development, and operating in CLIA and IVD environment
- Proven executive track record of C-level leadership scaling life sciences companies globally to successful exits across pharmaceuticals, diagnostics and life science tools
- Most recent roles included President and CEO at Omniome, President and COO at Ariosa Diagnostics and Lifecycle Leader and Site Head at Roche
- Decades of growth-oriented executive experience across different sizes and stages of companies both private and public (Omniome, Roche, Ariosa Diagnostics, Valeant Pharmaceuticals, Johnson & Johnson, Eli Lilly and Company, Dow Pharmaceuticals).