Dr. Alexandra Maertens, Senior Toxicologist, Owner

Alexandra Maertens, Ph.D. is the head of the Green Toxicology, Read-Across and Big Data initiative at the Johns Hopkins Center for Alternatives to Animal Testing. Dr. Maertens has an extensive publication record on the use of high-content and high-throughput  in vitro data, including transcriptomics and metabolomics, for establishing molecular mechanism of toxicity, as well as increasing regulatory acceptance of data-driven read-across approaches, and machine-learning approaches for predictive toxicology. Additionally, Dr Maertens is the Senior Toxicologist at the Consortium for Environmental Risk Management, where she developed a suite of models for screening level human health hazard assessments. Dr. Maertens also serves as part-time faculty at the Brandeis University School of Graduate and Professional Studies where she teaches Whole Genome Expression Analysis and Biomarker Discovery.


Elizabeth Becker, Senior Scientist, Owner

Peter Ranslow, Senior Scientist, President, Owner

Alexandra Maertens, Senior Toxicologist, Owner

LaMarr Clannon, MS. Scientist, Owner


Evansville, Indiana

Hallowell, ME

Washington, DC

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