Professional Profile

image for Varella Gonsioroski, Andressa

Varella Gonsioroski, Andressa

Clinical Assistant Professor of Anatomic Pathology
2001 South Lincoln
Urbana, IL  61802

show listEducation

  • Residency in Diagnostic & Toxicologic Anatomic Pathology, Michigan State University
  • PhD in Reproductive Toxicology, University of Illinois Urbana Champaign 
  • Masters in Animal Reproduction, Federal University of Rio Grande do Sul, Brazil
  • Doctor of Veterinary Medicine, Federal University of Rio Grande do Sul, Brazil

show listProfessional Certifications

Diplomate of the American College of Veterinary Pathology, 2025

show listHonors and Awards

  • Society of Toxicologic Pathology - The Daniel Morton and Laura Dill Morton Scholarship, 2024
  • Society of Toxicologic Pathology - IATP/STP Charles Capen Trainee Award, 2023
  • Society of Toxicologic Pathology - Student Travel Award, 2023                                  
  • Michigan State University - PDI Thorp Trainee Travel Award, 2023                          
  • Society of Toxicologic Pathology - Environmental Toxicologic Pathology Special Interest Research Award, 2022
  • Society of Toxicologic Pathology - Student Travel Award, 2022
  • Society of Toxicology - CTPVSS Roger O. McClellan Award, 2021
  • Society of Toxicology MRC/SOT Undergraduate/Graduate/Postdoc Travel Award, 2021

show listLinks

show listBiography

Dr. Andressa Varella Gonsioroski is a Clinical Assistant Professor of Anatomic Pathology at the Illinois Veterinary Diagnostic Laboratory, University of Illinois Urbana-Champaign, and a Diplomate of the American College of Veterinary Pathology. Her professional expertise includes anatomic pathology, toxicologic pathology, and reproductive toxicology.

Dr. Gonsioroski earned her DVM and MS in Animal Reproduction from the Federal University of Rio Grande do Sul in Brazil, followed by a PhD in Reproductive Toxicology from the University of Illinois Urbana-Champaign. She subsequently completed a residency in Diagnostic and Toxicologic Anatomic Pathology at Michigan State University and received board certification in Anatomic Veterinary Pathology in 2025.

Her research has focused primarily on the effects of environmental contaminants and water disinfection byproducts on female reproductive health. She has authored numerous peer-reviewed publications in reproductive biology, toxicology, and environmental health.

In her current role, Dr. Gonsioroski provides diagnostic histopathology, immunohistochemistry, and necropsy services while teaching and mentoring veterinary students and pathology residents. Her professional interests lie at the intersection of veterinary pathology, reproductive biology, and toxicology, with a focus on understanding how environmental exposures affect animal health.