Cleverson deSouza

Cleverson deSouza

Associate ProfessorClinical Pathology   1855 E GRIMES WAY

Dr. Souza is a dual citizen of Brazil and Italy and received his Doctor of Veterinary Medicine (DVM) in 1998 from the Universidade Federal do Parana, PR, Brazil. Dr Souza has been trained in research and pathology at multiple Universities. After receiving his DVM he completed a 2 year residency program in Sao Paulo/Br followed by a thesis Master Science degree in Clinical Pathology at Universidade Federal de Santa Maria/Rio Grande do Sul/Br. He worked as a veterinary clinical pathologist at Universidade de Passo Fundo/RS for 1 year before accepting a PhD position and joining Dr Douglas J Weiss (DVM, PhD, DACVP) lab at the University of Minnesota/USA. The research involved unraveling key cell signaling pathways important for the ability of Mycobacterium paratuberculosis to survive within macrophages. This training was followed by a residency in veterinary clinical pathology at University of Minnesota/USA. He then successfully completed his specialty board certification through the American College of Veterinary Pathologists (ACVP). From 2009 to 2012, Dr Souza worked at Universidade de Fortaleza, UniChristus and Universidade Federal do Ceara, all in Brazil, where he was involved with the instruction of general pathology to MDs and DDs students. Dr Souza is currently an Associated Professor at Washington State University where he works as a clinical pathologist (service, teaching and research) at the Veterinary Clinical Science Department.


  • PhD, University of Minnesota, St Paul, MN
  • MSc, Universidade Federal de Santa Maria, RS, Brazil
  • DVM, Universidade Federal do Parana, PR, Brazil, 1988


  • Board certified, American College of Veterinary Pathologists, (Diplomate ACVP), Clinical Pathology

Research Interests

  • Basic research: Investigating cell signaling pathways modulated upon Mycobacterium avium subsp paratuberculosis (MAP) early interaction with professional phagocytes
  • Clinical research: 1. Utility of employing nanomaterials and dendritic cells to boost immune responses against malignant tumors in dogs 2. Validation of new mAbs to detect lymphoma in dogs
  • Educational research: interest include application of modern instructional methodologies to teach Veterinary Clinical Pathology


Professional Service

  • American College of Veterinary Pathologists Testing Writing Group