Alaska Native Epidemiology Center

ANTHC Alaska Native Epidemiology Center photos of EpiCenter staff

About Us

The Alaska Native Epidemiology Center (EpiCenter) is located within the Alaska Native Tribal Health Consortium's (ANTHC) Community Health Services, in Anchorage, Alaska.

The EpiCenter provides public health and epidemiologic services to tribal health organizations and the tribal communities they serve.

ANTHC provides the highest quality health services for Alaska Native and American Indian people at the Alaska Native Medical Center and across Alaska through training, health education, disease and injury prevention, and rural water and sewer construction.

EpiCenter Staff

Dr. Ellen Provost photo

Dr. Ellen Provost

EpiCenter Director

Dr. Provost has served the Alaska Tribal Health System for over 25 years, and has been Director since 2005. She initially arrived in Bethel, Alaska in 1990 to work with YKHC as a Commissioned Officer in the US Public Health Service. She is a physician specializing in Preventive Medicine and Public Health.

Dr. Carla Britton photo

Dr. Carla Britton

Lead Epidemiologist

Dr. Britton came to the EpiCenter after completing a two year CDC Epidemic Intelligence Service fellowship with the Idaho Department of Health and Welfare. Carla holds an MS in Environmental Health and a PhD in epidemiology from the University of Iowa.

Dr. Diana Redwood photo

Dr. Diana Redwood

Senior Epidemiologist

Joining ANTHC in 2004, Dr. Redwood currently manages the CDC Building Public Health and Capacity grant, as well as conducts research studies on colorectal cancer screening methods and prevention. Diana holds a PhD in public health, an MPH, and an MS in Nutrition.

Sarah Nash photo

Dr. Sarah Nash

Cancer Surveillance Director

Dr. Nash joined the EpiCenter in 2015. She serves as the Director of the Alaska Native Tumor Registry and the Principal Investigator for the Alaska Surveillance, Epidemiology and End Results (SEER) Program of the National Cancer Institute. She holds a PhD in Biological Sciences, and an MPH.

Erin Peterson photo

Erin Peterson

Senior Epidemiologist

Ms. Peterson joined the EpiCenter in 2015. She specializes in chronic disease prevention, and manages the CDC Wellness Strategies for Health (WSH) Program. Erin holds an MPH from Emory University.

Romy Mohelsky photo

Romy Mohelsky

Senior Program Manager

Ms. Mohelsky joined the EpiCenter in 2011 and runs the National Coordinating Center for a Building Tribal Public Health Infrastructure grant. Romy holds an MPH from the University of Waterloo.

Bourke Betz photo

Bourke Betz


Mr. Betz joined the EpiCenter in 2016 and offers expertise in epidemiology and evaluation. He grew up in Wainwright and Kwigillingok. He holds an MS in Epidemiology from the University of Washington.

Dr. Kristen Mitchell photo

Dr. Kristen Mitchell

Program Evaluator

Dr. Mitchell joined the EpiCenter in 2015 as the Program Evaluator for the WSH Program. She has a background in maternal and child health and youth suicide prevention. Kristen holds a PhD in Public Health with a concentration in Community-Based and Translational Research.

Ian Blake photo

Ian Blake

Health Statistician

Mr. Blake joined the EpiCenter in 2014, providing statistical and database support to a variety of EpiCenter projects. His background includen healthcare, fisheries, education, and environmental research. Ian holds an MS in Statistics.

Christine Tait photo

Christine Tait

Senior Marketing Media Specialist

Ms. Tait joined the EpiCenter in 2015, bringing more than 20 years of graphic design experience. She provides website, graphic design, photography, illustration, and social media support. Christine holds a BS in Visual Communication/Graphic Design.

Matthew Bailey photo

Matthew Bailey

Marketing Media Web Specialist

Mr. Bailey joined the EpiCenter in 2015. He provides website and graphic design support for EpiCenter projects including the National Coordinating Center. Matthew holds a BFA in Visual Communication with a Graphic Design emphasis.

Teresa Schade photo

Teresa Schade

Tumor Registrar II

Ms. Schade joined the Alaska Native Tumor Registry in 2009. In her role as SEER Program Manager she collects cancer information for Alaska Native people statewide, and oversees the registry's data management system. She received her Certified Tumor Registrar certificate in 2013.

Garrett Zimpelman photo

Garrett Zimpelman


Mr. Zimpelman joined the EpiCenter in 2016 as a Computer Programmer/Analyst for the Alaska Native Tumor Registry (ANTR). Garrett’s duties include data management, database design and implementation, computer programming, and data analysis.

Iona Sallison photo

Iona Sallison

Program Assistant

Ms. Sallison joined the Alaska Native Tumor Registry as the Program Assistant in 2014. She has a background in Education and more recently Health Information Management. Iona brings ten years medical experience to the department.

Rochelle Greenley photo

Rochelle Greenley

Program Assistant

Ms. Greenley joined the EpiCenter as a Program Navigator in 2013, and has been with ANTHC since 2004. Rochelle grew up in the village of Togiak. She holds a BAS in Environmental Studies.

Amie Haakenson photo

Amie Haakenson

Special Projects Coordinator

Ms. Haakenson joined the EpiCenter in 2010. Amie provides support for the CDC Wellness Strategies for Health Program and other EpiCenter projects.

Patricia Ruuti photo

Patricia Ruuti

Program Administrator

Ms. Ruuti joined the EpiCenter in 2009. As a member of the Oneida Nation of Wisconsin, she served her tribe for 23 years. She provides administrative support to the EpiCenter.

Annie Okpealuk photo

Annie Okpealuk

Senior Office Specialist

Ms. Okpealuk joined the EpiCenter in 2014. She is pursuing a degree in Business Administration Management, with a minor in Alaska Native Business Management. She is from the Maniilaq region.

Annie Hansellk photo

Annie Hansell

Senior Office Specialist

Ms. Hansell joined the EpiCenter in 2017. She provides support for the CDC Tribal Epidemiology Centers Public Health Infrastructure Program. Annie is from the Inupiaq village of Shaktoolik in the Bering Strait region.

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