Woman Smiling

Moriah Mitchell

Center for Communicable Disease Dynamics, Department of Epidemiology

(Former Bio) Moriah was a graduate student in the Systems, Synthetic, and Quantitative Biology Program. She is interested in studying antibody repertoire dynamics at the population, community, and individual levels. Outside of lab, Moriah enjoys spending time with her horse, baking, sewing, and powerlifting.

Patrick Mitchell

Current Title: Bioinformatics Analyst at Cornell University College of Veterinary Medicine
CCDD SM and SD Student, 2011-2016

(Former Bio) Patrick Mitchell, ScD, is a Bioinformatics Analyst at Cornell University College of Veterinary Medicine. He previously was an Epidemic Intelligence Service Officer assigned to the Pennsylvania Department of Healthā€™s Bureau of Epidemiology. Prior to joining PADOH in 2016, Patrick was a graduate student in infectious disease epidemiology at the Harvard T.H. Chan School of Public Health, where his research focused on microbial population dynamics.

Rene Niehus

Research Associate
Center for Communicable Disease Dynamics (CCDD)

(Former Bio) Rene is a microbiologist-turned-epidemiologist interested in antibiotic resistance and the ecological and evolutionary processes of the human gut microbiome. He has a background in Biomedicine (BS at Georg-August-University in Gƶttingen, Germany & Karolinska Institute in Stockholm, Sweden) and in Computational Systems Biology (MS&PhD at University of Oxford, UK). From 2016 to 2017, he was based in Laos and Thailand working with Ben Cooper of the Mahidol-Oxford Tropical Medicine…

Christina Nieves

Community Research and Evaluation Specialist, New York City Department of Health and Mental Hygiene
CCDD Student, SM, 2012-2014

(Former Bio) Christina Nieves is a graduate of the Harvard TH Chan School of Public Health where she obtained her Masterā€™s degree in Infectious Disease Epidemiology. While at Harvard, she worked with George Seage and studied contraceptive choices of women living with HIV. She is currently works at the Center for Health Equity at the New York City Department of Health and Mental Hygiene as a Community Research and Evaluation…

Justin O’Hagan

Director, Outcomes Research, Merck
CCDD Doctoral Student, 2010-2012

(Former Bio) Justin holds the position of Director, Outcomes Research at Merck, where he works on dengue and chikungunya vaccines. He previously worked as an Epidemiologist at the Centers for Disease Control and Prevention in the Division of Healthcare Quality Promotion. His areas of focus include using transmission modeling to improve the design of epidemiologic studies for healthcare-associated infections and conducting simulations to identify opportunities for intervention to reduce the…

Betsy Ogburn

Associate Professor, Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health
CCDD Postdoctoral Research Fellow, 2012-2013

(Former Bio) I am an Assistant Professor in theĀ Department of BiostatisticsĀ at Johns Hopkins University. My research is in causal inference and epidemiologic methods. Broadly, I am interested in developing methods for and describing the behavior of traditional statistical machinery when standard assumptions are not met. I have worked on characterizing the bias that results from misclassification, i.e. violations of the assumption that variables were measured accurately. I have also worked…

Scott Olesen

Data Scientist/Epidemiologist at CDC CFA
Postdoctoral Research Fellow, Center for Communicable Disease Dynamics (CCDD)

(Former Bio) Scott Olesen was a postdoctoral research fellow at the Harvard T. H. Chan School of Public Health with Dr. Yonatan Grad and Dr. Marc Lipsitch. His work at Harvard focused on the epidemiology of antibiotic resistance and its relationship to antibiotic use. Scott earned his PhD in Biological Engineering at MIT, where he studied environmental microbiology and the human microbiome. Scott earned Master Degrees in Chemistry in 2012…

Samantha Palace

Research Associate
Center for Communicable Disease Dynamics, Department of Epidemiology

Sam earned her PhD at the University of Massachusetts Medical School, where her thesis work focused on host/pathogen interactions of the plague bacterium Yersinia pestis. She joined CCDD as a postdoc jointly mentored by Dr. Lipsitch and Dr. Grad. She is now a scientist in Dr. Grad’s lab, where she studies antimicrobial resistance and immune evasion of Neisseria gonorrhoeae.

Corey Peak

Epidemic Intelligence Service (EIS) Officer at Centers for Disease Control and Prevention (CDC)
CCDD MS & ScD Student, 2012-2017

(Former Bio) Corey Peak completed his Doctor of Science in Infectious Disease Epidemiology at the Harvard T.H. Chan School of Public Health with two CCDD committee members – Caroline Buckee, his advisor, and Marc Lipsitch. He defended his dissertation entitled “Optimizing Interventions to Control Emerging Infectious Diseases” on March 7, 2017. He is currently an Epidemic Intelligence Service (EIS) Officer with the US Centers for Disease Control and Prevention (CDC).…