- Healthcare Resilience Task Force lead, national COVID-19 response. Interagency task force formed to enable increased healthcare capacity for COVID response. Led national policy development on Telehealth, Alternate Care Sites, licensure flexibility, PPE preservation, Crisis Standards of Care, and flexible reimbursement.- Therapeutic Allocation, Distribution & Administration Team lead + Redesigned remdesivir allocation process and supervised allocation of ~ 2M doses + Designed and executed A&D approach for new COVID-19 therapeutics program under Operation Warp Speed, including new monoclonal antibody products. + Organized broad group of USG and private sector stakeholders including CDC, CMS, FDA, State Health Officers, providers, medical associations, manufacturers, and distributors. + Led weekly stakeholder calls with State Health Officers and National Associations (May-December) and twice-weekly Zoom open office hours.- Lead medical officer dockside for Grand Princess evacuation in Oakland; managed triage, evacuation, medical screening, and referral of 3,500 infected and exposed passengers and crew with State of California, ship's physician, and local providers.- Deployed to Japan as lead of ASPR team addressing post-quarantine management of Americans on the Diamond Princess and follow-up of employees potentially exposed during evacuation. - Recipient of the United States Public Health Service Distinguished Service Medal for service during the COVID-19 response.

CDC Liaison to Assistant Secretary for Preparedness and Response and the U.S. Department of Health & Human Services, including in the classified space. - Coordinated USG emergency responses and preparedness policy with ASPR, NSC, Immediate Office of the Secretary (IOS), CDC Washington, other components of HHS, and interagency. - CDC representative with HHS/IOS for 2018-2019 Democratic Republic of the Congo (DRC) Ebola outbreaks; briefed Secretary on Ebola for more than one year.- Member of CDC Advisory Committee on Immunization Practices Ebola Vaccine Workgroup

Leader in CDC Sierra Leone Ebola response, with over one year total in-country. Selected to manage CDC portfolio in three Ebola-affected countries in 2016. - Directed teams of CDC deployers (1,000 total deployments) as Epidemiology Lead, Response Lead, and Acting Country Director. - Senior author on 2017 Alexander D. Langmuir Prize-winning Ebola manuscript (Geospatial Analysis of Household Spread of Ebola Virus in a Quarantined Village — Sierra Leone, 2014). Manuscript also finalist for CDC Shepard Award in Data Methods and Study Design category & nominated for 2018 CDC Statistical Science Award in Applied Statistics category. - Lead of in-country team that developed and still runs the Sierra Leone Ebola Database (SLED), a consolidated data source combining five separate Ebola databases for worldwide, secure online access to Ebola data for analysis. - Extensive interactions with U.S. State Department, DFID, WHO, USAID, British diplomatic and military services; awarded State Department Superior Honor Award. - Crowned Honorary Paramount Chief in Paki-Masabong Chiefdom, Bombali District, Sierra Leone in local recognition of service during Ebola outbreak.

Primary care Internal Medicine physician at multi-tribal IHS site in New Mexico.

Chief of the Infectious Diseases Branch of the IHS Division of Epidemiology and Disease Prevention- Lead Agency epidemiologist for 2008 multistate outbreak of Salmonella Saintpaul - Led Agency epi response to the H1N1 influenza pandemic + Oversaw development of new, national automated syndromic influenza surveillance system tracking influenza-like illness and vaccine use in American Indians and Alaska Natives (AI/ANs) people. Team was one of three winners chosen by HHS Secretary Sebelius to receive the 2011 HHSInnovates Award. + Supervised joint FDA/IHS project monitoring of potential adverse events to H1N1 vaccination- Supervised Minority AIDS Initiative-funded investigations of prenatal HIV screening and acceptance of universal HIV screening by IHS clinical providers. - Supervised Epidemic Intelligence Service Officers, medical epidemiologists, Preventive Medicine Residents, and medical students working on AI/AN projects.

Focused on improving health in American Indians and Alaska Natives (AI/ANs) populations. - Worked on early adoption of hepatitis C treatment in IHS.- Served on National Advisory Board (IHS representative) of the National Viral Hepatitis Roundtable (NVHR).- Supervised IHS Viral Hepatitis Integration Projects.- Developed novel data collection instrument and methodology (Tablet PC) for improved field assessment of hepatitis risk.- Collaborated with University of New Mexico and Santa Fe Indian Hospital on early adoption of Project ECHO.

Assigned to the New Mexico Department of Health, Santa Fe, New Mexico.- Deployed to New York City post-9/11 for World Trade Center investigations and anthrax attacks- Investigated and described first DNA-confirmed case of patient-to-patient transmission of hepatitis B during oral surgery. - Developed system for rapid evaluation of suspected cutaneous anthrax during anthrax deployment to New York City.

Primary care Internal Medicine physician delivering specialty inpatient and outpatient care at remote site on Navajo Reservation. Ran Navajo Uranium Miners' Clinic.