Douglas Toal, Ph.D., Co-founder of RhizeBio, is a microbiologist with 25+ years in developing and commercializing diagnostic tests across medical, pharmaceutical, and environmental fields. He has led both business and scientific teams and has extensive expertise applying systems-biology tools—metagenomics, metabolomics, and transcriptomics—to identify and commercialize biomarkers of health and disease. His experience in leveraging these technologies underpins RhizeBio’s mission to generate actionable data for agriculture.