He is the Medical Director of the Clinical Microbiology Laboratory at Stanford Health Care. In addition, he is the Director of Stanford Pathology Fellowship in Global Health Diagnostics. He received his medical education from Stanford University and completed residency training in laboratory medicine at the University of California, San Francisco. He then completed a postdoctoral fellowship at New York University. He serves on the board of advisors for the Center for Disease Control Tuberculosis Epidemiologic Studies Consortium II (TBESC II). His research interests include development and assessment of novel tuberculosis diagnostics.