2017 – 2018 Executive Committee



Arthur (Art) Liang, MD, MPH—EIS ‘80

Art currently serves as CDC’s Senior Advisor for Food Safety in the Division of Foodborne, Waterborne, and Environmental Diseases where he helps maintain working relationships with the food safety communities in industry, academia, at FDA, and at USDA. He has been instrumental in helping the EIS Alumni Association define its mission and vision and bring its activities in line with both—which includes fervent support for the EIS Program’s role in ‘next generation’ public health workforce development.



Christina Mikosz, MD, MPH—EIS ‘11 (2017-2020)

Christina currently serves as a Medical Officer in the Division of Unintentional Injury Prevention, as part of the CDC team combating the nation’s opioid overdose epidemic. She completed EIS as a field officer assigned to the Los Angeles County Department of Public Health and then worked for several years post-EIS at the Alameda County Public Health Department in the Bay Area prior to returning to CDC. Christina considers EIS to be a defining experience in her career and she is happy to give back to the program by serving on the EISAA Executive Committee, including serving as the Alumni Association Secretary/Treasurer during 2015-2017 and serving as President-elect during 2017-2018.



Tina Tan, MD, MPH—EIS ‘00 (2016-2019)

Tina serves as a State Epidemiologist/Assistant Commissioner for the New Jersey Department of Health’s Division of Epidemiology, Environmental and Occupational Health, where she oversees communicable disease, environmental, and occupational health surveillance, investigation, and response activities as well as the state’s SEER cancer registry. She’s excited to be starting her second year on the Executive Committee and looks forward to continuing to represent the voice of alumni currently based in the field. As a seasoned EIS supervisor, Tina has kept her finger on the pulse of the EIS Program and looks forward to continuing to support it as it evolves and adapts to new public health demands.

At-large representatives


Laurene Mascola, MD, MPH—EIS ‘82 (2015-2018)

Before recently retiring, Laurene served as the Chief of Acute Communicable Disease Control at the Los Angeles County Department of Public Health. As an EIS Officer, she split her time between the Division of STD Prevention and a field assignment in L.A. County, working on issues ranging from congenital syphilis to Listeriosis. She liked the field so much, she decided to stay. Laurene served the L.A. County Department of Public Health for over 30 years and loves to talk to EIS Officers about field opportunities.


Doug Hamilton, MD, PhD—EIS ‘81 (2016-2019)

Doug joins the EIS Alumni Association’s Executive Committee in June 2016 to begin serving a three-year term as an at-large representative. He currently serves as a Quarantine Medical Officer in the Division of Global Migration and Quarantine after having served 15 years as EIS Chief and three years in the Indian Health Service’s Portland Area Office. During EIS, Doug was a field officer assigned to the Connecticut Department of Public Health where he is best-known for helping roll out vaccine campaigns at universities using a bullhorn.

L. Hannah Gould, PhD, MS—EIS ‘05 (2017-2020)

Hannah is Assistant Commissioner for the Bureau of Epidemiology Services with the New York City Department of Health and Mental Hygiene where she manages  a group dedicated to improving the health of New Yorkers through accurate and timely data collection and monitoring, rigorous analysis, and effective data communication. From 2005-2015, she worked at CDC, first as an EISO in Fort Collins and then in the Division of Foodborne, Waterborne, and Environmental Diseases in NCEZID. She credits EIS for helping her transition from basic laboratory research to public health, and is excited to bring her experiences working at headquarters and in the field to EISAA.

Class of 2015 Representative

Nick Somerville, MD, MPH – EIS ‘15

Nick joins the EISAA Executive Committee as the outgoing representative for the class of 2015.  As an EISO, he served at the Massachusetts Department of Public Health, where he worked in maternal and child health epidemiology.  Nick also supported the state’s response to the opioid overdose epidemic and Zika virus. Now assigned to the Administration for Children and Families in the Division of Health for Unaccompanied Children, Nick is excited to be a voice for both his class and the next generation of EIS officers. He considers the Epidemic Intelligence Service to be the world’s premier epidemiology training program, and intends to do his part to make it even stronger.

Ex-Officio Members

Immediate Past President


Steve Waterman, MD—EIS ‘81

Steve serves as CDC’s Dengue Branch Chief in the Division of Vector-borne Diseases, overseeing direct applied research and prevention and control activities for Dengue and other Aedes mosquito transmitted diseases such as Zika. Steve credits EIS with helping to define his career and has enjoyed the chance to mentor EIS Officers over the years. His service to the EIS Alumni Association is an extension of his love for the EIS Program and his belief in the current strength and future potential of the alumni network.

EIS Program Representative

Pevzner Eric8

Eric Pevzner, PhD, MPH—EIS ‘05

Eric currently serves as Chief of the EIS Program and Epidemiology Workforce Branch. Eric began working with CDC in 1996 while earning his MPH at the Rollins School of Public Health at Emory University. He has had several landmark opportunities including the opportunity to contribute to establishing a youth tobacco surveillance system to provide national and state level data to support youth tobacco prevention and control activities. He also contributed to CDC’s emergency response to H1N1 in Mexico and Ebola in West Africa. Since 2005, he has worked to conduct research and provide technical assistance to implement and evaluate policies and interventions in Africa and Asia to improve the diagnosis, treatment, and prevention of TB, HIV, and TB/HIV. He enjoys working with the EIS Alumni Association to identify new ways to link alumni with prospective applicants who want to know more about what EIS Officers actually do and what roles they play in public health upon completion of the fellowship.

CDC Foundation Representative


Diana Robelotto

Diana serves as the CDC Foundation’s Director of Alumni Affairs and operates as the EIS Alumni Association’s primary liaison with the Foundation. She joined the CDC Foundation in 2014, bringing with her 11 years of experience at the American Cancer Society. She played a large role in helping the EISAA secure grant funding from the de Beaumont Foundation, which has enabled the Association to expand its roles in EIS Program recruitment and alumni networking.  She helps maintain a database of EIS Alumni and is always ready to help put Alumni in touch with recruitment or meet-and-greet opportunities in their geographic areas.

Past EISAA Executive Committee roster archive:

2016-2017 EISAA Executive Committee
2015-2016 EISAA Executive Committee