Meet the Team

Eric J Nelson

Eric J Nelson M.D., Ph.D.

Assistant Professor
Phone: (352) 273-5400

Dr. Nelson is a pediatric hospitalist and sees patients at UF Health Shands Children’s Hospital. Board-certified in pediatrics, Dr. Nelson earned his medical degree from Tufts University. He then completed a pediatric residency at Lucile Packard Children’s Hospital at Stanford University followed by a pediatric global health fellowship from Stanford. 

Dr. Nelson is currently on faculty at the UF Emerging Pathogens Institute and is an Assistant Professor with the UF Department of Pediatrics. Prior to joining UF in 2016, Dr. Nelson served as Pediatric Global Health Physician Scientist and Instructor for the Division of Pediatric Infectious Diseases at Stanford University.

Dr. Nelson enjoys spending time with his family, playing the cello, sailing and playing soccer.

Molly Klarman

Molly Klarman

Research Coordinator II

I came to Dr. Nelson’s lab in December 2017 after having spent the previous seven years working at two health and community development based NGO’s in rural Haiti. Prior to that I was involved in research in both Latin America and the US spanning diverse fields from household water purification to development of diagnostic tests for parasitic diseases to best agricultural practices for watershed management.

My work with the INACT study involves overseeing all aspects of a needs analysis to investigate the scenario of how does a typical Haitian family deal with onset of illness during the nighttime hours? The study also aims to understand related questions such as what are the specific causes of household diarrhea in children under 5 and can community water pumps be used for bio-surveillance. The resulting data will guide the design of an intervention with the goal of improving access to healthcare at nighttime for Haitian families.

I am especially drawn to the work being done at the Nelson lab because of its focus on bridging the gap between research and actionable public health improvements and I am excited to have the opportunity to contribute to this endeavor.

Ashton E Creasy

Ashton E Creasy

Graduate Assistant
Phone: (910) 520-7090

I have always had a passion for infectious disease and its impacts on all aspects of human health. After being awarded my B.A. in Biology in 2011 from UNCW, I entered the pharmaceutical industry by means of microbiological quality control laboratories. There, I learned about my indirect role in public health and felt it was my duty to protect the immunocompromised from potential pathogens. Seeking a more direct impact, I left industry to pursue a graduate education at the University of Florida. In the Nelson lab, I am able to not only grow as a scientist, but also apply my investigative and wet lab skills learned in industry to substantial, impactful research. I truly believe our research will positively impact current and future populations and I am excited and motivated to be apart of the process.

Md A Sayeed

Md A Sayeed

Phone: (352) 273-9188

My name is Md Abu Sayeed and I am from Dhaka, Bangladesh. I have completed a BSc and MS in Biochemistry and Molecular Biology from University of Dhaka, Bangladesh. After completing my these degrees, I started research at the Mucosal Immunology and Vaccinology Lab of International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), focusing on the evaluation of immune responses in cholera and typhoid patients as well as in vaccinees. In 2013, I joined the Global Infectious Disease Research Training Program (2013-2014) at Massachusetts General Hospital, Harvard Medical School, Boston. During this period, I worked on the development of cholera conjugate vaccine. Afterwards, I returned to the icddr,b and focused on the development of rapid diagnostic tests for enteric fever and cholera. In the future, my goal is to establish myself as an independent scientist with specific contributions in the field of infectious diseases. To pursue my goal, I joined Dr. Nelson’s lab at the University of Florida as a graduate assistant. I am very excited to be a part of Dr. Nelson’s Lab and I hope our research will have significant impact in the field of infectious diseases.


Johns Hopkins Bloomberg School of Public Health

David Sack, MD

David Sack, M.D., is a Professor of Internal Health at the Bloomberg School of Public Health with a joint appointments in the Department of Epidemiology and Infectious Diseases, Johns Hopkins University. Dr. Sack’s research has been focused on enteric infections and vaccine development for these infections.

International Center for Diarrhoeal Disease Research, Bangladesh

Ashraful Islam Khan, PhD, MSc, MBBS

Dr. Khan’s research currently covers the following two topics: (1). the modeling of realized volatility, which is the sum of squared intraday returns over a certain interval such as a day, in the Japanese stock market and its application to the prediction of future volatility, the option pricing and VaR; (2). the application of Support Vector Machine methods to the volatility modeling and forecasting.


Randall Autrey

Randall Autrey

Phone: (352) 273-5135
Krista L Berquist

Krista L Berquist

Research Administrative Assistant
Phone: (352) 273-8258


  • Patricia Rodriguez