Dr. Tom Weiser, Dr. Alexander Wu, Celeste Davis, Dr. Jorge Mera, Whitney Essex

Thomas Weiser, MD, MPH has been with Portland Area Indian Health Services since 1998, initially serving as an Indian Health Services Medical Officer in Whiteriver, Arizona from 1998-2005. He completed the CDC Epidemiology Intelligence Service from 2005-2007, assigned to the Missouri Department of Health and Senior Services. In 2007, he began his new position assigned to the Northwest Portland Area Indian Health Board and Northwest Tribal Epidemiology Center. Dr. Weiser is passionate about improving the quality of healthcare services, data access and data quality for American Indian and Alaska Native populations; human subjects protection; infectious disease epidemiology and surveillance.

Alexander Wu, ScD, MPH, is an Epidemic Intelligence Service Officer for the Centers for  Disease Control and Prevention.

Celeste Davis, MPH, REHS is a citizen of the Chickasaw Nation of Oklahoma. She is a Registered Environmental Health Specialist who earned a Bachelor of Science degree in Environmental Health Science from East Central University in Ada, Oklahoma, and a Master of Public Health degree in Occupational and Environmental Health from the University of Oklahoma.

Jorge Mera, MD, FACP, is the Director of Infectious Diseases for Cherokee Nation Health Service, the largest tribally operated health care system in the United States. He oversees surveillance, policies, and programs to treat and prevent the transmission of sexually transmitted diseases, HIV and HCV.

Whitney Essex, MSN, FNP-BC, is a Family Nurse Practitioner for Cherokee Nation Health Services. Mrs. Essex works in the Infectious Diseases Department, where she is the coordinator for the Cherokee Nation Hepatitis C Elimination program. She assists in the maintenance of general infectious diseases clinical services, as well as the provision of medical care for patients accessing HIV, PrEP, Hepatitis C, and other infectious diseases-related services.