Jason Gari Umans, MD, PhD, is a hypertension specialist, nephrologist, clinical pharmacologist, and translational scientist. His work spans multiple domains, from basic laboratory work to bedside care delivery to community- and population-based research. Over the past 12 years, his primary research focus has been the staggering disparities in cardiovascular disease and related disorders that affect American Indian and Alaska Native populations nationwide. For Native-CHART, Dr. Umans participates in the Methods Core. In this capacity he collaborates with investigators on all three Native-CHART research projects to ensure that their work is both methodologically rigorous and clinically relevant to the provision of cutting-edge hypertension care.