Team Members

I would like to personally welcome you to our organization. My passion is integrating science and building meaningful collaborations for solving complex issues related to human health. My personal commitment is to deliver quality science for informed decision-making and the betterment of technology and our society. Amy Madl is a board-certified toxicologist with 25 years […]

Amy K. Madl, Ph.D., DABT

Founder, Senior Principal Health Scientist

Kara Keeton is an epidemiologist with nine years of experience applying epidemiological concepts and methods to explore human health risks from environmental, occupational, and consumer product exposures. She collaboratively works on several multi-disciplinary research teams involving epidemiology, behavioral science, risk assessment, exposure science, and toxicology to address complex questions about human health and safety. “I […]

Kara Keeton, MPH

Supervising Health Scientist

Melinda Donnell is a toxicologist with 6 years of experience in the toxicology, exposure, and risk assessment of chemicals of concern. She has applied her expertise in performing quantitative exposure and risk assessments of airborne compounds in occupational and residential settings, as well as in safety evaluation of contaminants associated with foods and consumer products. […]

Melinda Donnell, MPH

Health Scientist

Lindsey Covell is a toxicologist with training in exposure and risk assessments, toxicological laboratory methods, and environmental epidemiology. She has used these skills to quantify toxicant exposure and identifying adverse health outcomes within communities. “I have a passion for delivering evidence-based solutions to complex, real-world challenges and working within a research team of innovative scientists.” […]

Lindsey Covell, MPH

Associate Health Scientist

Christine Langton is an epidemiologist, data analyst, and public health professional with over 25 years’ experience in academic, community-based health, hospital, and government settings. Dr. Langton’s most recent focus has been conducting observational research in prospective cohort studies, but she also has experience with other types of research including natural history of disease, quasi-experimental, randomized […]

Christine Langton, Ph.D.

Senior Health Scientist

Dr. Stacey M Benson is an epidemiologist with 20 years of experience conducting human subject and benchtop research. She focused her academic and consulting experience in the fields of physics, physiology, and environmental and occupational epidemiology. Her experience includes investigating the health effects associated with exposure to a variety of compounds, including asbestos, talc, diesel […]

Stacey M. Benson, Ph.D.

Principal Health Scientist