Derek A. Cummings
Derek is an infectious disease epidemiologist engaged in theoretical and field studies of disease transmission. The goal of his research is to understand the temporal and spatial dynamics of the spread of infectious diseases in order to inform interventions to control their spread. He is specifically interested in the dynamics of dengue, influenza, measles and chikungunya. He currently leads field studies of influenza in China and dengue and chikungunya in Thailand and India. He is an investigator on a study to understand the dynamics of sylvatic arbovirus transmission among multiple species of primates in Senegal, a member of the Vaccine Modeling Initiative, and is a part of the University of Pittsburgh's MIDAS Center for Excellence. He teaches two courses,"Concepts and Methods in Infectious Disease Epidemiology" and "Infectious Disease Dynamics: Theoretical and Computational Approaches," at Hopkins.

JHSPH Faculty Page | Google Scholar Page


Justin Lessler
Justin Lessler is an Assistant Professor in the department of Epidemiology researching the dynamics and control of infectious disease, with particular interest in influenza, measles, cholera and dengue. Justin works on the development and application of statistics, dynamic models and novel study designs to better understand and control infectious disease. In particular, he is interested in creating synergies between infection control practice, data collection and infectious disease dynamics.

JHSPH Faculty Page | Google Scholar Page

  dave smith

David Smith
David is interested in the ecology, epidemiology, and economics of infectious diseases. His primary focus is on malaria, though he has also worked on influenza, MRSA, cholera, rabies, dengue, and even some infectious diseases of plants. Basic research questions include the spatial dynamics of pathogen transmission, the measurement of transmission, the evolution of resistance, and the bioeconomics (i.e. the interplay of economic and biological factors) for infectious diseases. He also has an interest in translating knowledge into policy. He is a part of RAPIDD (Research and Policy for Infectious Disease Dynamics), the Malaria Atlas Project, and the Malaria Elimination Group. He teaches a new course at JHSPH entitled, "The Feasibility of Malaria Eradication."

JHSPH Faculty Page | Google Scholar Page



  Oliver Laeyendecker

Oliver Laeyendecker
Oliver is a laboratory scientist and infectious disease epidemiologist engaged in studies of HIV, HCV and HSV-2 both domestically and internationally. Primary areas of interest include the development of methods for estimating incidence from cross-sectional surveys, the impact of HIV subtype on disease progression, and the development of serologic and molecular tools to investigate questions related to infectious disease epidemiology. Oliver has worked in infectious disease laboratories since 1990 and holds a PhD in epidemiology, a MS in biotechnology and an MBA all from Johns Hopkins University. He is employed by the NIAID as a senior research associate, where he manages the International HIV & STD laboratory of Dr. Thomas C. Quinn. He also has an appointment as an Instructor of Medicine in the Division of Infectious Diseases in the Department of Medicine at the Johns Hopkins University. He works closely with the Rakai Health Sciences Program and the HIV Preventions Trials Network.

JHSPH Faculty Page | Google Scholar Page


Nicholas G. Reich
Nick is a biostatistician whose research focuses on statistical inference in communicable disease settings. He is currently a Research Assistant Professor in the Division of Biostatistics and Epidemiology at the University of Massachusetts, Amherst. After earning his PhD in Biostatistics at Johns Hopkins, he completed a post-doc in the Hopkins Infectious Disease Dynamics group. He also has a BA in English Literature from Carleton College. Nick's primary research interests are in developing models for complex and dynamic disease systems, developing statistical methods that can draw accurate inferences from disease surveillance data, and optimizing design and analysis strategies for cluster-randomized studies. At UMass, he teaches "Introduction to Statistical Computing and Data Visualization" using R and is the author of several R packages.

UMass Page | Google Scholar Page | Twitter

  Carla Zelaya photo

Carla E. Zelaya
Carla is an infectious disease epidemiologist focusing on behavioral and social challenges of disease prevention. Her research has largely focused on barriers to HIV prevention and care in marginalized populations in Sub-Saharan Africa, Thailand, Vietnam and Russia. More recently Carla has started to work in Cholera prevention globally. She has a particular interest in work ensuring the valid assessment of complex interventions, including appropriate study design, correct selection and un-biased enrollment from target and source populations, and valid measurement of key variables. Carla is interested in developing effectiveness research for the prevention of various infectious diseases across multiple geographical and socio-economic contexts.

JHSPH Faculty Page



Andrew Andrew Azman
After working in the US and Sub-Saharan Africa as an environmental engineer on projects aimed at improving community water and sanitation infrastructure, Andrew is currently a postdoctoral fellow in infectious disease epidemiology. His primary interests include understanding the role of the environment in disease transmission, and the role of vaccination in response to water-related diseases. Andrew’s research focuses on modeling the spatio-temporal dynamics of waterborne pathogens, like Vibrio cholerae, and their implications for different prevention and control strategies.
  Hannah Clapham
Hannah is a postdoctoral fellow and joined the ID Dynamics group in November 2013. Currently she is working on developing and using mathematical and statistical models to further understand the dynamics of dengue transmission. This includes work on the differences between serotypes, the infection to case ratio and the interaction between cross-protection and enhancement. She is also interested in how this understanding can be increased by using combinations of multiple data types. Hannah completed a PhD at Imperial College, London, focused on within host modelling of dengue infection. This work aimed to understand the processes driving infection dynamics in both primary and secondary infections. Extensions to this work considered the inclusion of a realistic representation of virus dynamics in models of dengue transmission, with application to assessing the impact of Wolbachia infected mosquitoes. Hannah has a BA in Mathematics from the University of Oxford (2007) and an MSc in Epidemiology from Imperial College (2009).
Kate Grabowski
Kate Grabowski is a postdoctoral fellow in Epidemiology and a Sommer Scholar. She received a BS in Microbiology from Penn State University in 2005, and a Master of Science in Epidemiology from Johns Hopkins University in 2007. Her main research interests include spatio-temporal dynamics of virus transmission and evolution in resource-limited settings. She studies HIV transmission dynamics for her dissertation research with the Rakai Health Sciences Program (RHSP) under the direction of Drs. Ronald Gray and Chris Beyrer. She is interested in the spatial scale and diffusion of HIV transmission and HIV strain competition and evolutionary dynamics within the Rakai district. Additionally, Grabowski researches the spatio-temporal dynamics of Dengue virus transmission in Thailand with Derek Cummings and Justin Lessler. She also has research coordination and analytical experience with projects pertaining to JC virus, Hepatitis C/B, and non-HIV sexually transmitted viral infections.
Luis Luis Mier-y-Teran
Luis Mier-y-Teran did his undergraduate studies at UNAM, in Mexico city and then obtained a PhD in Physics at Northwestern University in 2010 working with professors, Mary Silber and Vassily Hatzimanikatis. His thesis research was on the mathematical modeling of protein synthesis from a dynamical systems perspective. His current interests lie in mathematical epidemiology. He joined the ID Dynamics group in the fall of 2010 to work on population models of dengue and other diseases.
Kaitlin Kaitlin Rainwater Lovett
Over the past decade, Kaitlin Rainwater Lovett has performed public health research and diagnostics in academic institutions and state and federal governments with an emphasis on combining virology and epidemiology. Kaitlin has worked with the Infectious Disease Dynamics group since 2009 to perform systematic reviews, acquire data and implement laboratory testing for projects surrounding immunity to dengue and influenza viruses. As a post-doctoral researcher in infectious disease epidemiology, Kaitlin is currently developing human antigenic cartography to inform epidemiological measures of dengue virus infection and performing a systematic review of influenza interventions in long-term care facilities.
Isabel Isabel Rodriguez
Isabel is a post-doctoral fellow in the ID dynamics group. She is interested in applying novel epidemiological and statistical methods to understand the dynamics of infectious diseases. While she is interested in infectious diseases generally, most of her experience is related to vector-borne diseases such as dengue, malaria, leishmaniasis and chikungunya. Before coming to Hopkins, Isabel completed her medical training in Colombia. She joined the ID dynamics group in 2008 and completed a PhD in epidemiology and an MHS in Biostatistics at the Johns Hopkins Bloomberg School of Public Health in 2012.
Henrik Henrik Salje
Henrik is a postdoctoral fellow in the department of epidemiology at the Johns Hopkins Bloomberg School of Public Health and a Sommer Scholar. His interests lie in the spatio-temporal dispersal dynamics of infectious diseases, including the impact of immunity on the distribution of dengue cases in urban and rural settings. Prior to starting his PhD, he worked in the investment banking sector in London, UK, using modeling approaches to advise corporate and governmental organizations on financial and operational matters. He has a Bachelors and Masters degree in Biochemistry from Oxford University.


  Byran Dai
Byran is a second year master's student in infectious disease epidemiology. His current research interests include the impact of childhood contacts in influenza transmission and healthcare-associated infections (HAI) dynamics. While at JHSPH, Byran served as a PHASE intern at the Maryland Department of Health, where he advised on HAI reporting requirements for the state. Prior to his graduate studies, Byran worked as a research assistant in the Division of Global Health at the Massachusetts General Hospital for Children. Byran graduated from Harvard University in 2011 with a BA in History & Science and a minor in Global Health & Health Policy.
  Yanjie Huang
Yanjie is a 2nd year ScM student in infectious disease epidemiology. She has a Bachelor of Medicine (2012) and Bachelor of Arts in Economics (2012) from Peking University. Driven by her passion for modeling, her goal is to apply multidisciplinary knowledge into the field of infectious disease dynamics. Prior to the master’s program at Johns Hopkins, her research experience has involved several different fields including Medicine, Epidemiology, Sociology and Economics. Currently, she is focused on understanding the nature and pattern of human mobility and its impact on influenza through the FluScape project.
  Jessica Ladd Jessica Ladd
Jessica Ladd is a PhD student in infectious disease epidemiology. She is interested in understanding the impact of sexual network dynamics on STI spread, and in using anonymous partner notification to leverage these network properties to combat disease. Jessica's background is in teaching health education with Aim High and the Claremont AIDS Project, conducting policy research and advocacy with The AIDS Institute and the White House Domestic Policy Council, and in researching and creating sexual health websites such as So They Can Know. She received an MPH from Johns Hopkins in 2011 and a BA is Public Policy/Human Sexuality from Pomona College in 2008.
  K Shannon Kerry Shannon
Kerry is an MD/DrPH student in international Health. Her research
interests relate to cholera, malaria and humanitarian relief. She is
currently working on projects related to cholera in refugee camps and
the DRC and a malaria mapping epidemiology project in the Hill Tracts
of Bangladesh. Kerry has a B.A. in Chemistry and International Studies
from Kenyon College (2004) and an MPH from Johns Hopkins (2007).
Before coming to school she received a Fulbright grant to research the
implications of large dam projects on communities in northeast
Thailand. She later worked at a clinic on the Thai-Burma border with
Burmese populations seeking healthcare, where her research related to
barriers to access to healthcare and human rights violations among
Burmese populations.
  sean Shaun Truelove
Shaun is a PhD student in infectious disease epidemiology. His current work includes measles supplemental vaccination modeling and influenza epidemiology. Prior to coming to JHSPH, he worked as an epidemiologist with the CDC’s Global Disease Detection program in Cairo, Egypt, where he worked to establish and develop respiratory disease surveillance programs throughout the Middle East. He has a BS in Biology (2007) and an MPH (2010) from the University of Wisconsin.
Saki Takahashi, ScM student Saki Takahashi
Saki received her ScM in infectious disease epidemiology from JHSPH in 2013, and is currently a research assistant for the Vaccine Modeling Initiative in the Department of Ecology and Evolutionary Biology at Princeton University. She is interested in the modeling and analysis of infectious disease dynamics and their control measures, and completed her Masters thesis with Dr. Justin Lessler on the spatial distribution of measles immunization uptake in Eastern Africa. Previously, she worked as a research assistant at the Center for Communicable Disease Dynamics at the Harvard School of Public Health, where she studied the temporal dynamics of seasonal influenza strains. Saki received her BA in Applied Mathematics from Harvard College in 2011.


  kenwater Ken Cline
Ken is a software developer who joined the Hopkins Infectious Disease Dynamics Group in 2011. He has a background designing and building agent-based models to simulate phenomena such as epidemics, liver tissue, cartel behavior and small-unit military operations. Before coming to Hopkins, he worked for various consulting and internet-software companies. He is interested in the study of complex systems using a spectrum of modeling approaches and the development of tools tointegrate and validate these methodologies.


  Eva Noble

Eva Noble
Eva graduated from the University of Pennsylvania in 2010 with BA in Cognitive Science. She worked in the department of epidemiology at the Johns Hopkins School of Public Health on the SMART project with Derek Cummings, managed this site, and coordinated ID Dynamics activities from 2011-2013. She is pursuring her MPH at Columbia University currently.

  Rachel Lee
Rachel is a second year master’s student in the Department of International Health concentrating in Global Disease Epidemiology and Control. She is currently working as a graduate research assistant with the Infectious Disease Dynamics group to conduct a systematic literature review on the incubation periods for causes of viral gastroenteritis. Rachel used this research to complete her master’s thesis, which evaluated the recommendations made in The Control of Communicable Diseases Manual, a widely used resource in international public health, for clinically differentiating causes of acute gastroenteritis in the field.
Alison Liu Alison (Su-Hsun) Liu
Alison (Su-Hsun) is a physician-scientist at Department of Family Medicine, Division of General Medicine, Chang Gung Memorial Hospital at Linkou, Taiwan. For her thesis work, Alison was interested in describing the temporal variability of HPV DNA and determining how menstrual phases affected the variable detection of HPV in a natural history study. She earned her MPH degree in 2008 and PhD degree in epidemiology in 2012 from the Johns Hopkins School of Public Health. Alison received her medical degree in 2000 from National Taiwan University.
althouse Ben Althouse
Ben is a Omidyar postdoctoral fellow at the Santa Fe Institute working on mathematical models of the spread of disease in heterogenous environments. He has also developed models of the spread of arboviruses (dengue, yellow fever, chikungunya, zika, rift valley fever) in primate populations in Senegal as well as developed novel methods of predicting incidence of infectious diseases using search query data. He recieved a PhD in epidemiology in 2013 and an ScM in biostatistics in 2010 from the Johns Hopkins School of Public Health. Ben received a BS in mathematics and a BS in biochemistry from the University of Washington in 2008.
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  sudarat Sudarat Chadsuthi
Sudarat is a PhD student in Physics department, Mahidol University. Her research is about biophysics and stochastic modeling.  She is working on mathematical model of chikungunya, influenza, and leptospirosis. She is also interested the temporal and spatial dynamics to understand and interventions of their spread. She received an MSc degree in Physics from Physics Department, Mahidol University, Bangkok, Thailand, in 2007.


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