Skip to Main Content

Meet Some of Our Faculty

  • Professor of Biostatistics; Director of Medical Research, School of Public Health

    Elizabeth B. Claus, MD, PhD is Professor and Director of Medical Research in the Yale University School of Public Health as well as Attending Neurosurgeon and Director of Stereotactic Radiosurgery within the Department of Neurosurgery at Brigham and Women’s Hospital in Boston. She is a member of the board of advisors for the Acoustic Neuroma Association (ANA) as well as the Central Brain Tumor Registry of the United States (CBTRUS). Dr. Claus' work is focused in cancer and genetic epidemiology with an emphasis on the development of risk models for breast and brain tumors. She is the overall PI of the Meningioma Consortium, the Meningioma Genome-Wide Association Study, and the Yale Acoustic Neuroma Study as well as a co-investigator of the GLIOGENE (Genes for Glioma) and International Glioma Case/Control (GICC) projects. In addition to her research activities, Dr. Claus is a Board-certified neurosurgeon who completed her residency in neurosurgery at Yale-New Haven Hospital and her fellowship in neurosurgical oncology at Brigham and Women’s Hospital. Her clinical focus is on the treatment of meningioma, glioma, acoustic neuroma and brain metastases.  Claus launched the International Low-Grade Glioma (LGG) Registry in 2016 to discover why some people develop LGG, a slow growing but malignant brain tumor primarily affecting young adults, while others do not. The goal of the registry is also to learn more about the effect of this diagnosis and the associated treatments on daily life including the ability to work, drive, sleep, exercise, or take care of oneself and/or a family member. Recently Dr. Claus and a team of fellow scientists received funds from the National Cancer Institute to investigate the molecular evolution of LGG. The project, OPTimIzing engageMent in discovery of molecular evolution of low grade glioma” or OPTIMUM, will enroll 500 participants diagnosed with LGG and who have had two or more surgeries for their glioma and genotype these tumors to establish a comprehensive genomic characterization of the glioma tumors across time.
  • Associate Professor of Public Health (Social and Behavioral Sciences)

    Dr. Ransome’s research investigates how social, economic, and cultural determinants influence racial/ethnic- and geography-related disparities in HIV care continuum indicators and alcohol use disorders. Two broad determinants of interest are a) social capital & cohesion, and b) religion, faith, and spirituality. Dr. Ransome currently has a K01 Mentored Research Scientist Development Award from the National Institute of Mental Health (NIMH) to study the direct association and underlying mechanisms between social capital and cohesion on HIV care continuum outcomes in the United States. Some methodological approaches Dr. Ransome uses in his research program include survey data analysis, multilevel modeling, structural equation modeling, spatial epidemiology, and geographic information systems.
  • Department Chair and Susan Dwight Bliss Professor of Epidemiology (Environmental Health Sciences) and of Ophthalmology and Visual Science and of Environment; Director, Yale Superfund Research Center; Affiliated Faculty, Yale Cancer Center; Affiliated Faculty, Yale Institute for Global Health; Co-Director, Environmental Health Sciences Track, Executive MPH

    Vasilis Vasiliou, is Professor and Chair of the Department of Environmental Health Sciences. He received his BSc in Chemistry (1983) and PhD in Biochemical Pharmacology (1988) from the University of Ioannina, Greece. He then trained in gene-environment interactions, molecular toxicology and pharmacogenetics at the Department of Environmental Health in the College of Medicine at the University of Cincinnati (1991-1995). In 1996, he joined the faculty of the University of Colorado School of Pharmacy where he rose through the ranks to become Professor and Director of the Toxicology Graduate Program. Since 2008, he was also Professor of Ophthalmology at the University of Colorado School of Medicine. In July 2014, he joined the faculty of Yale University in his new position. Professor Vasiliou has established an internationally-recognized research program that has been continuously funded by NEI/NIH and NIAAA/NIH since 1997, and recently NIEHS. His research interests include the etiology and molecular mechanisms of environmentally-induced human disease, such as liver disease, obesity & diabetes, cancer, and neurodegenerative diseases. His research focuses on the means by which the exposome (total exposures throughout life), metabolism (specifically aldehyde dehydrogenases and cytochrome P-450s) and antioxidants (glutathione and catalase) contribute to human health and disease. His laboratory utilizes state-of-the-art integrated system approaches that include metabolomics, lipidomics, exposomics, tissue imaging mass spectrometry, deep-learning, as well as human cohorts and genetically-engineered mouse models in order to elucidate mechanisms, and to discover biomarkers and novel interventions for human disease. Dr Vasiliou is the director of the NIEHS-funded P42 Yale Superfund Research Center and also the director of the NIAAA-funded R24-Resource Center for Mouse Models and Metabolomics Tools to Investigate Alcohol Metabolism and Tissue Injury. Dr. Vasiliou has published over 250 papers and edited three books on Alcohol and Cancer. Dr. Vasiliou is the editor of Human Genomics and serves on the editorial boards of several toxicology and visual sciences journals. Professor Vasiliou is committed to training the next generation of scientists. At the University of Colorado, he was the Director of the Environmental and Molecular Toxicology Graduate Program for 15 years. At Yale he leads an NIAAA-funded T32 Translational Alcohol Research Program (TARP) Training Program for post-doctoral fellows, and an NIHES -funded R25 Summer Research Experience in Environmental Health (SREEH) Training Program that introduce undergraduate students in Connecticut (CT) to Environmental Health Research. Dr. Vasiliou has trained mentored and advised more than 60 trainees ranging from MPH and PhD students to postdoctoral fellows and junior faculties.