Congratulations to Nicole Kleinstreuer, Ph.D., Dhruv Ranganath, and Ricardo Scheufen Tieghi, who were among those earning top honors during the 64th annual Society of Toxicology (SOT) meeting in Orlando, Florida, March 16-20.

Kleinstreuer received the 2025 SOT Enhancement of Animal Welfare Award for her leadership and management of two federal iniatives to replace, refine, and reduce the use of experimental animals. Klienstreuer directs the National Toxicology Program Interagency Center for Evaluation of Alternative Toxicological Methods (NICEATM) and the Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM).

Ranganath and Scheufen Tieghi earned SOT Undergraduate Research Awards. Ranganath is a University of North Carolina at Chapel Hill (UNC-Chapel Hill) student who is conducting mentored research with Kamel Mansouri, Ph.D., at NIEHS. Scheufen Tieghi also attends UNC-Chapel Hill and is mentored by Kleinstreuer.

In addition, four of the 12 major SOT awards were presented to the following NIEHS grant recipients.

• Achievement Award – Shuo Xiao, Ph.D., Associate Professor, Department of Pharmacology and Toxicology, Rutgers University School of Pharmacy.
• Distinguished Toxicology Scholar Award – Debra Laskin, Ph.D., Distinguished Professor and Chair, Department of Pharmacology and Toxicology, Rutgers University School of Pharmacy.
• Leading Edge in Basic Science Award – Robyn Leigh Tanguay, Ph.D., Distinguished Professor at Oregon State University, Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, and Director of the Superfund Research Center.
• Toxicologist Mentoring Award – Nathan J. Cherrington, Ph.D., Associate Dean for Research and Graduate Studies, University of Arizona College of Pharmacy and Director of the Southwest Environmental Health Sciences Center and the Training in Environmental Toxicology of Human Disease program.

To view the complete list of awardees, visit the SOT awards webpage.