A diverse team, comprised of managers and research associates, coordinates the INHCC's research portfolio to accelerate scientific progress and facilitate collaboration.
Program Management

Oratai Butterworth, BN, MS
Oratai Butterworth is a Clinical Project Manager for the RV254 study and substudies. She joined the MHRP/HJF in 2015 as a research coordinator. She graduated from The Thai Red Cross College of Nursing and has a master’s degree in Applied Social Psychology from Chulalongkorn University. She previously worked at The HIV Netherlands Australia Thailand Research Collaboration (HIV-NAT), The Thai Red Cross Research Centre as a research nurse and clinical research associate.
Oratai Butterworth is a Clinical Project Manager for the RV254 study and substudies. She joined the MHRP/HJF in 2015 as a research coordinator. She graduated from The Thai Red Cross College of Nursing and has a master’s degree in Applied Social Psychology from Chulalongkorn University. She previously worked at The HIV Netherlands Australia Thailand Research Collaboration (HIV-NAT), The Thai Red Cross Research Centre as a research nurse and clinical research associate.

Jennifer Chiarella, BS
Jen joined the Spudich Lab in 2015, and serves in dual roles as the Program Manager for Dr. Spudich's Lab at Yale and as Data Manager for SEARCH 10. She graduated Quinnipiac University, where she studied Medical Technology, Molecular Virology and Microbiology, and then joined Yale, building her specialization in HIV and HCV translational research. She worked with Dr. Michael Kozal of the Infectious Diseases Department for 17 years, studying HIV drug resistance and investigating the use of various methodologies, including ultra-deep sequencing, in detecting low-abundance resistant viral variants.
Jen joined the Spudich Lab in 2015, and serves in dual roles as the Program Manager for Dr. Spudich's Lab at Yale and as Data Manager for SEARCH 10. She graduated Quinnipiac University, where she studied Medical Technology, Molecular Virology and Microbiology, and then joined Yale, building her specialization in HIV and HCV translational research. She worked with Dr. Michael Kozal of the Infectious Diseases Department for 17 years, studying HIV drug resistance and investigating the use of various methodologies, including ultra-deep sequencing, in detecting low-abundance resistant viral variants.

Julie Mannarino, BA
Julie is the Research Lab Manager in Dr. Paul’s lab at the University of Missouri, St. Louis. In her current role, she manages day-to-day lab operations as well as coordinates Dr. Paul’s primary grants and subawards, including those affiliated with the INHCC. Prior to joining UMSL in 2019, she worked at Washington University School of Medicine for 7 years, coordinating both research studies and teams at two different labs: (1) the Early Emotional Development Program and (2) the Center for Healthy Weight and Wellness. Julie received her Bachelor of Arts in Psychology from Washington University in St. Louis and has since gained significant experience managing NIH-funded research studies and clinical trials.
Julie is the Research Lab Manager in Dr. Paul’s lab at the University of Missouri, St. Louis. In her current role, she manages day-to-day lab operations as well as coordinates Dr. Paul’s primary grants and subawards, including those affiliated with the INHCC. Prior to joining UMSL in 2019, she worked at Washington University School of Medicine for 7 years, coordinating both research studies and teams at two different labs: (1) the Early Emotional Development Program and (2) the Center for Healthy Weight and Wellness. Julie received her Bachelor of Arts in Psychology from Washington University in St. Louis and has since gained significant experience managing NIH-funded research studies and clinical trials.

Siobhan Stack, BS
Siobhan has management experience across several industries, including finance, education, and energy. Her diverse experience in technology, data analysis, project leadership and program management supports the talented team of scientists and researchers at the INHCC, where she serves as Program Manager. Siobhan also works with the Spudich Lab at Yale University, assisting in program management activities across several of Dr Spudich's numerous collaborations.
Siobhan has management experience across several industries, including finance, education, and energy. Her diverse experience in technology, data analysis, project leadership and program management supports the talented team of scientists and researchers at the INHCC, where she serves as Program Manager. Siobhan also works with the Spudich Lab at Yale University, assisting in program management activities across several of Dr Spudich's numerous collaborations.

Jacob Bolzenius, PhD
Dr. Bolzenius has served as a Scientist in Dr. Paul’s laboratory at the Missouri Institute of Mental Health at the University of Missouri-St. Louis since 2019. Currently he oversees the repository of SEARCH RV254 neuroimaging data in conjunction with local and international collaborators. He has a background in use of neuroimaging data in combination with clinical outcomes to delineate pathways of disease progression, and is working to leverage these data to examine neurobiological correlates of acute HIV infection.
Dr. Bolzenius has served as a Scientist in Dr. Paul’s laboratory at the Missouri Institute of Mental Health at the University of Missouri-St. Louis since 2019. Currently he oversees the repository of SEARCH RV254 neuroimaging data in conjunction with local and international collaborators. He has a background in use of neuroimaging data in combination with clinical outcomes to delineate pathways of disease progression, and is working to leverage these data to examine neurobiological correlates of acute HIV infection.

Ellen Turk, MBA, MSc
Ellen is Deputy Director of Clinical Project Management for the Henry Jackson Foundation's Global Infectious Diseases team. Ellen has over 18 years of experience in clinical research for vaccine development. Prior to joining MHRP in 2015, Ellen spent over ten years at the NIH, developing, performing, and validating immunogenicity assays for vaccine studies. In her current role, she focuses on operational management of the MHRP Therapeutic studies in Thailand. Ellen received her MBA and MSc from Johns Hopkins University and her BS in Biology from Georgetown University.
Ellen is Deputy Director of Clinical Project Management for the Henry Jackson Foundation's Global Infectious Diseases team. Ellen has over 18 years of experience in clinical research for vaccine development. Prior to joining MHRP in 2015, Ellen spent over ten years at the NIH, developing, performing, and validating immunogenicity assays for vaccine studies. In her current role, she focuses on operational management of the MHRP Therapeutic studies in Thailand. Ellen received her MBA and MSc from Johns Hopkins University and her BS in Biology from Georgetown University.