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NSSP CoP Steering Committee Members
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NSSP CoP Steering Committee Members


Krystal Collier, Steering Committee Chair, Program Project Specialist, Arizona Department of Health

Krystal S. Collier is the Program Project Specialist for the Arizona Department of Health Services (ADHS) Syndromic Surveillance Program and has been an active member in the Community of Practice (CoP) since 2012. Her current position includes supporting ADHS’ efforts to onboard facilities for Arizona into the BioSense Platform, answering questions for the ADHS Public Health Meaningful Use Helpdesk, and a facilitator of the Arizona BioSense Workgroup and Exploratory Analysis Subgroup. The experiences and interaction with a diverse group of partners including providers, hospitals, Electronic Health Record (EHR) vendors, public health practitioners, all contribute to her role as co-chair of the National Syndromic Surveillance Program (NSSP) EHR Vendor Specific Data Quality Concerns Workgroup. As a Steering Committee member, she is looking for opportunities to champion syndromic surveillance success stories through collaborative partnerships, engagement activities, and finding methods to share knowledge and resources that will contribute to the CoP.

Learn more about Krystal Collier


Amanda Morse, Deputy Chair, Syndromic Surveillance Outreach and Policy Coordinator, Washington State Department of Health

Amanda Dylina Morse is the Syndromic Surveillance Outreach and Policy Coordinator for the Washington State Department of Health, where she facilitates the state's Community of Practice for syndromic data users and enthusiasts, as well as overseeing the program's legislative agenda. Her particular interests include injury and violence surveillance. She holds an MPH from the University of Washington in Community-Oriented Public Health Practice and likes cats.

Learn more about Amanda Morse


Rosa Ergas, Syndromic Surveillance Coordinator, Massachusetts Department of Public Health

Rosa Ergas has been an active participant in the NSSP CoP and the BioSense User Group since starting in her current role as syndromic surveillance program coordinator at the Massachusetts Department of Public Health in February of 2014. As syndromic surveillance coordinator, Rosa developed onboarding and validation protocols and worked with the Massachusetts HIE to develop and implement validation. Since attending the May, 2014 in person BUG meeting in Atlanta, Rosa has participated in or led several workgroups and specific projects with the NSSP CoP and BioSense Governance Group.

Rosa understands the need for a strong community of practice to move syndromic surveillance beyond data quality and into meaningful use of these rich and unique data to impact the practice of public health and ultimately improve the health of our communities. Rosa looks forward to participation in and service to the community of practice as we enter a new chapter in syndromic surveillance.

Learn more about Rosa Ergas 


Teresa HambyData Analyst, NJ Department of Health

Teresa Hamby is a data analyst on the surveillance staff of the Communicable Disease Service (CDS) of the New Jersey Department of Health. She began working with New Jersey’s emergency department surveillance data in 2001 and provides technical expertise for surveillance activities within CDS and for the Department whose system has developed from faxed forms into a statewide electronic syndromic surveillance system. New Jersey has participated in post-Hurricane Sandy surveillance research and Ms. Hamby helped coordinate surveillance for Super Bowl XLVIII and the Pope’s visit as part of the World Meeting of Families in Philadelphia in 2015. She is a native North Carolinian and received her MSPH in Health Policy from the University of North Carolina at Chapel Hill. After receiving her degree, Ms. Hamby worked for nearly 6 years as an analyst in maternal and child health at the Colorado Department of Public Health and Environment before moving to back to the east coast and settling in New Jersey.

Learn more about Teresa Hamby


Caleb Wiedeman, Epidemiologist, Emergency Preparedness Program, Tennessee Department of Health

Caleb Wiedeman is the syndromic surveillance epidemiologist in the Emergency Preparedness program at the Tennessee Department of Health. He has been a state level epidemiologist for nine years and worked specifically on syndromic surveillance the past four.

Learn more about Caleb Wiedeman


Zachary Faigen, Enhanced Surveillance Epidemiologist, North Carolina Department of Health and Human Services

Zachary Faigen earned his B.S. degree in biology from the University of South Carolina in 2006 and his M.S.P.H. degree in epidemiology from Emory University in 2008. He has worked as a registered environmental health specialist and an epidemiologist in both the private and public sectors.  He conducted syndromic surveillance in Maryland and the National Capital Region for 5 years as the lead for ESSENCE program at the Maryland Department of Health and Mental Hygiene.  For the past 3 years, he has continued his work in syndromic surveillance as the lead for the NC DETECT program at the North Carolina Department of Health and Human Services.   

Learn more about Zachary Faigen


Anikah Salim, Regulatory Health Project Manager, U.S. Food and Drug Administration

Anikah Salim is a board certified environmental epidemiologist and has worked in public health globally and nationally at the local, federal and state levels for the past ten years. She served as the lead biosurveillance epidemiologist with the Maryland Department of Health and Mental Hygiene, Office of Preparedness and Response managing the statewide syndromic surveillance system, ESSENCE for seven years and is currently a Regulatory Health Project Manager with the Food and Drug Administration in the Office of Science. Anikah has experience in syndromic surveillance, particularly for the National Capital Region, which includes Washington, DC and Virginia. She has reviewed disease activity for evidence of unusual cases or clusters, investigated natural, intentional, or simulated outbreaks, and tracked certain diseases on a daily basis as well as respond to natural disasters, weather-related threats, and any other public health emergencies. Anikah has a broad experience and knowledge working with several administrations as well as Federal, state and regional preparedness partners.

Learn more about Anikah Salim


Yushiuan Chen,  Syndromic Surveillance Epidemiologist and NSSP Coordinator, Tri-County Health Department

Yushiuan Chen is the Syndromic Surveillance Epidemiologist and NSSP Coordinator in the Division of Emergency Preparedness and Response and Communicable Disease Surveillance at Tri-County Health Department in Colorado. Yushiuan is the site administrator of CO-NCR Syndromic Surveillance database. She manages the local and cloud version of ESSENCE and works closely with the National Syndromic Surveillance Program (NSSP) partners, Colorado Regional Health Information Organization (CORHIO), and hospital ITs. Yushiuan advocates and leads inter-jurisdiction healthcare data sharing coordination with three other jurisdictions within CO-NCR to support joint syndromic surveillance efforts and to enhance regional collaborations. She also provides ESSENCE trainings to users, collaborates with CO-NCR partners to produce quarterly syndromic surveillance newsletters.  Lately, Yushiuan started to serves as a co-chair in the ISDS Overdose Surveillance Committee and works closely with other co-chairs and members on engaging community and improving opioid surveillance. Her present goal is to refine syndromic surveillance framework in Colorado and disseminate findings in healthcare database in order to maximize meaningful use of rapid surveillance in the communities.


Marija Borjan,  Research Scientist II, New Jersey Department of Health

Marija Borjan is the data coordinator for the Occupational Health Surveillance Unit and is responsible for collecting and interpreting public health data related to work-related exposures, diseases, injuries, and fatalities. In an effort to expand current occupational health surveillance methods, Marija began working with staff of the Communicable Disease Service to incorporate occupational classifiers into the state’s syndromic surveillance system.  Staff are currently able to monitor work-related injuries, tree-related injuries during severe weather events, and chemical exposures. Marija also works with environmental staff to monitor heat-related illness and carbon monoxide poisoning. She has been working with the New Jersey Department of Health for the past 6 years and holds an MPH and PhD in Environmental and Occupational Public Health.


Jamaal Russell,  Senior Epidemiologist, Armed Forces Health Surveillance Branch

Jamaal A. Russell is from Prince George’s County Maryland. He graduated with a Bachelor of Science degree in Medical Technology, a Masters of Public Health degree, and a Doctor of Public Health in epidemiology at Morgan State. Dr. Russell served the Montgomery County Department of Health & Human Services as their Senior Epidemiologist and Director of the TB Control program. He is currently a Senior Epidemiologist with Cherokee Nation Technologies contracted to the Armed Forces Health Surveillance Branch. Dr. Russell is also a member of the American College of Epidemiology, the International Society for Disease Surveillance and the Council of State and Territorial Epidemiologist and is committed to making a difference in the community as a public health practitioner. 


Learn more about Jamaal Russell



Stacey Hoferka,  Informatics Epidemiologist, Illinois Department of Public Health 

Stacey Hoferka has been an informatics epidemiologist at the Illinois Department of Public Health since 2012. In this role, she has been responsible for the statewide implementation of syndromic surveillance and has been active in the Community of Practice, the BioSense Governance Group (2013-2017) and the ISDS Board of Directors (2015-2017). She is also working to maintain and expand IDPH’s communicable disease surveillance, I-NEDSS, including the anticipated capacity to implement electronic case reporting and integrate data systems. She has a Masters in Public Health from the University of Illinois at Chicago and a M.S. in Information Science from the University of Pittsburgh.


Learn more about Stacey Hoferka


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